NEET Biology Multiple Choice Questions – Anatomy Of Flowering Plants

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Anatomy Of Flowering Plants Multiple Choice Questions

Question 1. Tissue is the group of cells which are

  1. Similar in origin, but dissimilar in form and function
  2. Similar in origin and form, but dissimilar in function
  3. Similar in origin, form the, and function
  4. Dissimilar in origin, but similar in form and function

Answer: 3. Similar in origin, form and function

Question 2. The father of plant anatomy who also coined the term tissue is

  1. Marcello Malpighi
  2. N. Grew
  3. Schleiden
  4. Hanstein

Answer: 2. N. Grew

Question 3. Meristem is characterized by

  1. Isodiametric cells with cellulosic thin wall
  2. Absence of intercellular space and vacuole
  3. Absence of reserve food material, plastids, and ER
  4. All of these

Answer: 4. All of these

Question 4. Secondary meristems are derived from

  1. Promeristerms
  2. Primary meristems
  3. Primary permanent tissue
  4. Lateral meristems

Answer: 3. Primary permanent tissue

Question 5. The intercalary meristems are infact portions of

  1. Lateral meristems
  2. Secondary meristems
  3. Apical meristems
  4. Permanent tissues that become meristematic

Answer: 3. Apical meristems

Question 6. According to Haberlandt, cortex and pith are derived from

  1. Periblem
  2. Plerome
  3. Procambium
  4. Ground meristem

Answer: 4. Ground meristem

Question 7. Which one of the following theories in root is equivalent to Schmidt’s theory?

  1. Tunica corpus theory
  2. Histogen theory
  3. Korper-kappe theory
  4. Quiescent center theory

Answer: 3. Korper-kappe theory

Question 8. The plane of division in Tunica is

  1. Anticlinal
  2. Periclinal
  3. Both anticlinal and periclinal
  4. Peripheral division

Answer: 1. Anticlinal

Question 9. Root cap is derived from

  1. Calyptrogen
  2. Dermatogen
  3. Protoderm
  4. Periblem

Answer: 1. Calyptrogen

Question 10. The primary growth in Equisetum stem occurs due to the activity of

  1. Apical meristem
  2. Intercalary meristem
  3. Lateral meristem
  4. Primordial meristem

Answer: 2. Intercalary meristem

Question 11. Quiescent center in root meristem acts as

  1. Waiting meristems
  2. Reserve meristems
  3. Reservoir of growth hormones
  4. Both (1) and (2)

Answer: 4. Both (1) and (2)

Question 12. The grass stem elongates by the activity of

  1. Apical meristem
  2. Intercalary meristem
  3. Lateral meristem
  4. Primordial meristem

Answer: 2. Intercalary meristem

Question 13. The term meristem was coined by

  1. C. Nageli
  2. Mittens
  3. Schuepp
  4. Schmidt

Answer: 1. C. Nageli

Question 14. The primary growth is affected by

  1. Primary cambium
  2. Apical meristems
  3. Cambium
  4. Secondary cambium

Answer: 2. Apical meristems

Question 15. The intercalary meristem is present in

  1. Mint
  2. Grasses
  3. Bamboo
  4. All of these

Answer: 4. All of these

Question 16. The organization of shoot apex into tunica and corpus is determined largely on the basis of

  1. Regions of meristematic activity
  2. Planes of cell division
  3. Rate of shoot tip growth
  4. The phase of cell division

Answer: 2. Planes of cell division

Question 17. The central region of the root apex containing less active cells is known as

  1. Plerome
  2. Dermatogen
  3. Periblem
  4. Quiescent zone

Answer: 4. Quiescent zone

Question 18. The velamen of orchid root is derived from the

  1. Phellogen of root
  2. Plerome of root
  3. Dermatogen of root
  4. Periblem of root

Answer: 3. Dermatogen of root

Question 19. According to the history theory, the plerome gives rise to the

  1. Epidermis
  2. Cortex
  3. Pith
  4. Central stele

Answer: 4. Central stele

Question 20. Collenchyma differs from parenchyma in having

  1. Living protoplasm
  2. Cellulose walls
  3. Vacuoles
  4. Pectin and cellulose deposits at comers

Answer: 4. Pectin and cellulose deposits at comers

Question 21. Collenchyma is a type of mechanical tissue but it is not as efficient as sclerenchymia. However, it has certain advantages like

  1. It offers no resistance to the growing organs
  2. It has the power of growth
  3. It is flexible
  4. Though it has the power of growth, it offers no resistance to the growing organs and it is flexible

Answer: 3. It is flexible

Question 22. Walls of sclerenchyma arc

  1. Rigid
  2. Lignified
  3. Pectinized
  4. Subenzed

Answer: 2. Lignified

Question 23. Which one of the following is not a fundamental tissue?

  1. Parenchyma
  2. Collenchyma
  3. Chlorenchyma
  4. Aerenchyma

Answer: 2. Collenchyma

Question 24. Plasmodesmata maintains cell-to-cell cytoplasmic connection, and is quite common in

  1. Parenchyma
  2. Collenchyma
  3. Sclereids
  4. Sclerenchyma fibers

Answer: 1. Parenchyma

Question 25. A parenchymatous cell that stores ergastic substances is called

  1. Phragmoplast
  2. Idioblast
  3. Leucoplast
  4. Amyloplast

Answer: 2. Idioblast

Question 26. The mechanical tissue with high refractive index is

  1. Collenchyma
  2. Prosenchyma
  3. Sclerenchyma
  4. Sclereids

Answer: 1. Collenchyma

Question 27. Which one of the following acts as water storage tissue in succulent plants?

  1. Parenchyma
  2. Aerenchyma
  3. Angular collenchyma
  4. Meristem

Answer: 1. Parenchyma

Question 28. Collenchyma is absent in

  1. Root
  2. Dicot stem
  3. Monocots
  4. Both (1) and (3)

Answer: 4. Both (1) and (3)

Question 29. Cell wall in dead mechanical tissue shows

  1. Lignified nature
  2. Cutinized nature
  3. Pectose deposition
  4. Hemicellulose deposition

Answer: 1. Lignified nature

Question 30. Find the correct match.

NEET Biology Anatomy Of Flowering Plants Match The Column Question 30

  1. (1) → (B), (2) → (A), (3) → (E), (4) → (C)
  2. (1) → (B), (2) → (A), (3) → (E), (4) → (D)
  3. (1) → (A), (2) → (B), (3) → (E), (4) → (D)
  4. (1) → (B), (2) → (A), (3) → (D), (4) →(E)

Answer: 2. (1) → (B), (2) → (A), (3) → (E), (4) → (D)

Question 31. Bordered pits are very common in

  1. Monocotyledons
  2. Gymnosperms
  3. Dicotyledons
  4. All of these

Answer: 1. Monocotyledons

Question 32. Sieve tubes are better suited for translocation because they

  1. Possess a broader lumen and perforated cross walls
  2. Are broader than longer
  3. Possess bordered pits
  4. Possess no end walls

Answer: 1. Possess a broader lumen and perforated cross walls

Question 33. The presence of lignin in a cell is a characteristic of

  1. Phloem
  2. Woody tissue
  3. All soft tissue
  4. Cork

Answer: 2. Woody tissue

Question 34. The main water-conducting element of the xylem in homozygous plants is

  1. Trachea
  2. Vessel
  3. Tracheid
  4. Xylem parenchyma

Answer: 3. Tracheid

Question 35. Vesselless angiosperms are

  1. Tetracentraceae
  2. Trochodendraceae
  3. Winteraceae
  4. All of these

Answer: 4. All of these

Question 36. Centripetal and centrifugal xylems are important features of

  1. Root and stem, respectively
  2. Exarch and endarch, respectively
  3. Endarch and exarch, respectively
  4. Both (1) and (2)

Answer: 4. Both (1) and (2)

Question 37. Callose plug and p-proteins are associated with

  1. Companion cells
  2. Sieve tube
  3. Phloem parenchyma
  4. Trachea

Answer: 2. Sieve tube

Question 38. Phloem parenchyma is absent in

  1. Dicots and few monocots
  2. Monocots
  3. Moriocots and dorsiventral leaf
  4. Gymnosperms

Answer: 2. Monocots

Question 39. The wood of gymnosperms is known as softwood because

  1. It is very soft
  2. It appears like a sponge
  3. It can be bent easily
  4. It does not possess vessels

Answer: 4. It does not possess vessels

Question 40. The percentage of tracheids in softwood is

  1. 5-10%
  2. 90-95%
  3. 15-25%
  4. 35-45%

Answer: 2. 90-95%

Question 41. Articulated laticifers are

  1. Formed by the fusion of cells
  2. A network-like structure
  3. Found in the plants which are the source of commercial rubber
  4. All of these

Answer: 4. All of these

Question 42. Secretory tissues that secrete proteolytic enzymes are found in

  1. Nepenthes
  2. Plumbago
  3. Urtica
  4. Polygonum

Answer: 1. Nepenthes

Question 43. In plants having the longest vessel, oil glands are formed

  1. Lysigenously
  2. Schizogenously
  3. Schizolysigenously
  4. None of these

Answer: 1. Lysigenously

Question 44. In trees, the death of protoplasm is essential for a vital function such as

  1. Food transport
  2. Water transport
  3. Both (1) and (2)
  4. Stomatal movements

Answer: 2. Water transport

Question 45. The pericycle of roots is never sclerenchymatous because it

  1. Does not act as a mechanical tissue in roots
  2. Is the place of the origin of root branches
  3. Gives rise to root hair
  4. Gives rise to root hair (when the root is young) and root branches (at maturity)

Answer: 2. Is the place of the origin of root branches

Question 46. Choose the correct statement regarding pericycle in dicot root.

  1. It is parenchymatous.
  2. It gives rise to cork cambium.
  3. It gives rise to lateral roots.
  4. All of these

Answer: 4. All of these

Question 47. Tissues commonly known as the passport point or biological check post is characterized by

  1. Bulliform cells and rapids
  2. Cystolith and motor cells
  3. Casparian bands and passage cells
  4. Passage cells and starch

Answer: 3. Casparian bands and passage cells

Question 48. Girdling experiment is not possible in maize and sugarcane because of

  1. Scattered vascular bundles
  2. Open vascular bundles
  3. Closed vascular bundles
  4. Absence of pericycle

Answer: 1. Scattered vascular bundles

Question 49. A vascular bundle with 2: a 1 ratio of phloem and xylem is

  1. Collateral
  2. Bicollateral
  3. Amphivasal
  4. Amphicribral

Answer: 2. Bicollateral

Question 50. Root differs from the stem in having

  1. Parenchymatous cortex
  2. Pith
  3. Exarch xylem
  4. Pericycle

Answer: 3. Present on both the surfaces

Question 51. Find the correct match

NEET Biology Anatomy Of Flowering Plants Match The Column Question 51

  1. (1) → (A), (2) → (C), (3) → (B), (4) → (D)
  2. (1) → (A), (2) → (B), (3) → (C), (4) → (D)
  3. (1) → (C), (2) → (A), (3) → (B), (4) → (D)
  4. (1) → (D), (2) → (B), (3) → (C), (4) → (A)

Answer: 1. (1) → (A), (2) → (C), (3) → (B), (4) → (D)

Question 52. The vascular bundles in a dicot root are

  1. Radial and endarch
  2. Conjoint and exarch
  3. Concentric and exarch
  4. Radial and exarch

Answer: 4. Radial and exarch

Question 53. A collateral vascular bundle is that

  1. Which has either phloem strand or xylem strand
  2. In which both xylem and phloem are present at the same radius
  3. In which both xylem and phloem are present with the xylem towards the periphery
  4. In which both xylem and phloem are present at different radii

Answer: 2. In which both xylem and phloem are present at the same radius

Question 54. The vascular bundles in the stems of several dicots arc conjoint, collateral, and open. In each of these bundles,

  1. Xylem and phloem are on the same radius with phloem towards the pith and xylem towards the pericycle without a strip of cambium between them
  2. Xylem and phloem are on the same radius with xylem towards the pith and phloem towards the pericycle and a strip of cambium separates the two
  3. Xylem completely surrounds the phloem on all sides but the two are separated by the cambium
  4. Phloem completely surrounds the xylem and a strip of cambium separates the two

Answer: 2. Xylem and phloem are on the same radius with xylem towards the pith and phloem towards the pericycle and a strip of cambium separates the two

Question 55. In a dicot root, with tetrarch vascular bundles, lateral roots arise from the pericycle which lies

  1. Opposite to phloem
  2. Opposite to protoxylem
  3. In between protoxylem and phloem
  4. Anywhere

Answer: 2. Opposite to protoxylem

Question 56. Which is not true for monocot stem?

  1. Sclerenchymatous hypodermis
  2. Presence of water cavity in pith
  3. Conjoint collateral closed vascular bundles
  4. Presence of bundle sheath

Answer: 2. Presence of water cavity in pith

Question 57. In leaf anatomy, phloem is directed towards

  1. Upper epidermis
  2. Lower epidermis
  3. The middle part of vascular bundles
  4. Lateral side

Answer: 2. Lower epidermis

Question 58. A leaf showing stomata and cuticle on the upper epidermis, raphides in the mesophyll and diaphragm cells, belongs to a plant that probably is a

  1. Mesophyte
  2. Floating hydrophyte
  3. Submerged hydrophyte
  4. Succulent xerophyte

Answer: 2. Floating hydrophyte

Question 59. Knots in stems are formed due to

  1. Bacterial infection of wounds
  2. Injury caused by insects
  3. Outgrowth of secondary tissues caused by falling of branches
  4. None of these

Answer: 3. Outgrowth of secondary tissues caused by falling of branches

Question 60. The vascular cambium is a meristematic layer that cuts off

  1. Primary xylem and primary phloem
  2. Xylem vessels and xylem tracheids
  3. Primary xylem and secondary xylem
  4. Secondary xylem, secondary phloem, and medullary rays

Answer: 4. Secondary xylem, secondary phloem, and medullary rays

Question 61. Balloon-like swellings formed by xylem parenchyma inside the xylem vessels through pits are

  1. Tracheal plug
  2. Tyloses
  3. Callose
  4. Both (1) and (2)

Answer: 4. Both (1) and (2)

Question 62. Secondary phloem is formed by

  1. Procambium
  2. Plerome
  3. Vascular cambium
  4. Apical meristems

Answer: 3. Vascular cambium

Question 63. Derivatives of the secondary meristem in the steler region are

  1. Phellem and phelloderm
  2. Alburnum and primary phloem
  3. Duramen and laburnum
  4. Primary xylem and secondary phloem

Answer: 3. Duramen and laburnum

Question 64. Secondary medullary rays are produced by

  1. Fusiform initial
  2. Interfascicular cambium
  3. Phellogen
  4. Ray initial

Answer: 4. Ray initial

Question 65. What is the position of the oldest secondary phloem?

  1. Just outside the pericycle
  2. Just outside the vascular cambium
  3. Just below the pericycle
  4. Below the vascular cambium

Answer: 3. Just below the pericycle

Question 66. Heartwood

  1. Is the oldest secondary xylem ring
  2. Lies near pith
  3. Is nonfunctional
  4. All of these

Answer: 4. All of these

Question 67. Phelloids are

  1. Synonyms of phellem
  2. Lignified cork cells
  3. Suberized cork cells
  4. Non-suberized cork cells

Answer: 4. Non-suberized cork cells

Question 68. Virgin cork is

  1. The first formed periderm
  2. A lenticellate phellem
  3. A non lenticellate periderm
  4. The last periderm

Answer: 1. The first formed periderm

Question 69. Annual rings are distinct with earlywood and latewood in the plants growing in

  1. Tropical region
  2. Temperate region
  3. Grassland
  4. Arctic region

Answer: 2. Temperate region

Question 70. As the secondary growth takes place (proceeds) in a tree, thickness of

  1. Heartwood increases
  2. Sapwood increases
  3. Both increases
  4. Both remain the same

Answer: 1. Heartwood increases

Question 71. The cork of commerce is a derivative of (or cork is formed from)

  1. Cork cambium (phellogen) or extra fascicular cambium
  2. Vascular cambium
  3. Fascicular cambium
  4. Interfascicular cambium

Answer: 1. Cork cambium (phellogen) or extra fascicular cambium

Question 72. Growth rings are well marked in trees growing in

  1. Simla
  2. Chennai
  3. Mumbai
  4. Kolkata

Answer: 1. Simla

Question 73. The youngest layer of secondary xylem in the wood of dicot plant is located

  1. Between pith and primary xylem
  2. Just outside vascular cambium
  3. Just inside vascular cambium
  4. Just inside cork cambium

Answer: 3. Just inside vascular cambium

Question 74. One cannot calculate the age of a tree by its rings if that tree is located in which of the following forests?

  1. Tropical deciduous
  2. Tropical evergreen
  3. Temperate deciduous
  4. Temperate evergreen

Answer: 2. Tropical evergreen

Question 75. When the secondary growth in thickness is initiated in a dicot root, which of the following happens first?

  1. Anticlinal division occurs so that cambium becomes circular.
  2. Parenchyma between xylem and phloem becomes meristematic.
  3. Cambium initial between xylem and phloem divides.
  4. Pericycle strands outside primary xylem divide.

Answer: 2. Parenchyma between xylem and phloem becomes meristematic.

Question 76. Abnormal secondary growth is found in

  1. Dracaena
  2. Triticum
  3. Helianthus
  4. Cucurbita

Answer: 1. Dracaena

Question 77. A tumour-like tissue of thin-walled cells developing over the wounds is called

  1. Tyioses
  2. Gall
  3. Cailose
  4. Callus

Answer: 4. Callus

Question 78. Find the incorrect matching.

  1. Haematoxylin—Heartwood of Haematoxylon campechianum
  2. Santalin—Heart wood of Pterocatpus santalimts
  3. Brasilin—Pith of Caesalpinia sappan
  4. Tannins—Heartwood of Acacia catechu (katha)

Answer: 3. Brasilin—Pith of Caesalpinia sappan

Question 79. Fibers are obtained from

  1. Xylem, phloem, and sclerenchyma
  2. Xylem, phloem, sclerenchyma, and epidermis
  3. Xylem, parenchyma, epidermis
  4. Xylem, parenchyma, endodermis

Answer: 1. Xylem, phloem, and sclerenchyma

Question 80. The quiescent center in root meristem serves as a

  1. Site for storage of food which is utilized during maturation
  2. Reservoir of growth hormones
  3. Reserve for the replenishment of the damaged cells of the meristem
  4. Region for the absorption of water

Answer: 3. Reserve for the replenishment of the damaged cells of the meristem

Question 81. The outermost primary meristem gives rise to

  1. Epidermis
  2. Procambium
  3. Ground meristem
  4. All of the above

Answer: 4. All of the above

Question 82. Root cap regenerates or is produced from

  1. Calyptrogen
  2. Pleurome
  3. Periblem and histogen
  4. Dermatogen

Answer: 4. Dermatogen

Question 83. The tunica corpus theory was proposed by

  1. Schmidt
  2. Strasburger
  3. Nageli
  4. Hofmeister

Answer: 1. Schmidt

Question 85. Vascular cambium of the root is an example of

  1. Apical meristem
  2. Intercalary meristem
  3. Secondary meristem
  4. Root apical meristem

Answer: 3. Secondary meristem

Question 86. Vascular cambium and cork cambium are examples of

  1. Lateral meristem
  2. Apical meristem
  3. Elements of xylem and phloem
  4. Intercalary meristem

Answer: 1. Lateral meristem

Question 87. The quiescent center is found in

  1. Stem
  2. Root
  3. Leaves
  4. None of these

Answer: 2. Root

Question 88. Grass stem elongates by the activity of

  1. Primary meristem
  2. Secondary meristem
  3. Intercalary meristem
  4. Apical meristem

Answer: 3. Intercalary meristem

Question 89. The calyptrate of (the root apex forms

  1. Rhizoids
  2. Root nodule
  3. Root hairs
  4. Root cap

Answer: 4. Root cap

Question 90. Acrenchyma is found in

  1. Lithophytcs
  2. Hydrophytes
  3. Sciophytcs
  4. Xerophytes

Answer: 2. Hydrophytes

Question 91. Parenchymatous tissue is characterized by the

  1. Presence of uniform thickening
  2. Presence of thickening in the corners
  3. Presence of intercellular spaces
  4. Presence of lignified walls

Answer: 3. Presence of intercellular spaces

Question 92. The difference in the phloem of gymnosperms and angiosperms is due to

  1. Parenchyma
  2. Sieve cell
  3. Companion cell
  4. Fibers

Answer: 3. Companion cell

Question 93. Cork cambium is a

  1. Secondary meristem
  2. Apical meristem
  3. Intercalary meristem
  4. Primary meristem

Answer: 1. Secondary meristem

Question 94. The complex tissues include

  1. Scleroids
  2. Sclerenchyma
  3. Secretory tissues
  4. Collenchyma

Answer: 3. Secretory tissues

Question 95. The cell wall of xylem cells is rich in

  1. Lipid
  2. Protein
  3. Lignin
  4. Starch

Answer: 3. Lignin

Question 96. Root cap is absent in

  1. Lithophytes
  2. Hydrophytes
  3. Xerophytes
  4. Mesophytes

Answer: 2. Hydrophytes

Question 97. Which meristem helps in increasing girth?

  1. Lateral meristem
  2. Intercalary meristem
  3. Primary meristem
  4. Apical meristem

Answer: 1. Lateral meristem

Question 98. Vessels are the major conducting element mainly found in

  1. Xylem of angiosperms
  2. Xylem of gymnosperms
  3. Both (1) and (2)
  4. None of these

Answer: 1. Xylem of angiosperms

Question 99. Tracheids and vessels are related to

  1. Xylem
  2. Phloem
  3. Both
  4. None of these

Answer: 1. Xylem

Question 100. Passage cells are found in

  1. Dicot stem
  2. Aerial root
  3. Monocot root
  4. Monocot stem

Answer: 3. Monocot root

Question 101. Vessels are found in

  1. All pteriodophyta
  2. All angiosperms
  3. Some gymnosperms
  4. Both (2) and (3)

Answer: 4. Both (2) and (3)

Question 102. Axillary bud and terminal bud are derived from the activity of

  1. Parenchyma
  2. Lateral meristem
  3. Apical meristem
  4. Intercalary meristem

Answer: 3. Apical meristem

Question 103. Cells of quiescent center arc characterized by

  1. Dense cytoplasm and prominent nuclei
  2. Light cytoplasm and small nuclei
  3. Dividing regularly to add to the corpus
  4. Dividing regularly to add to tunica

Answer: 2. Light cytoplasm and small nuclei

Question 104. Apical meristem of root is present

  1. Only in radicles
  2. Only in tap roots
  3. Only in adventitious roots
  4. In all the roots

Answer: 4. In all the roots

Question 105. Vessels occur in

  1. All angiosperms, all gymnosperms, and some pteridophytes
  2. All angiosperms and some gymnosperms
  3. Most angiosperms, a few gymnosperms and pteridophytes
  4. All pteridophytes

Answer: 3. Most angiosperms, a few gymnosperms and pteridophytes

Question 106. Which is correct?

  1. Tracheids are unicellular with wide lumen.
  2. Vessels are multicellular with wide lumen.
  3. Tracheids are multicellular with narrow lumen.
  4. Vessels are unicellular with narrow lumen.

Answer: 2. Vessels are multicellular with wide lumen.

Question 107. Which of the following are simple tissues

  1. Parenchyma, xylem, and phloem
  2. Parenchyma, collenchyma, and sclerenchyma
  3. Parenchyma, xylem, and collenchyma
  4. Parenchyma, xylem, and sclerenchyma

Answer: 2. Parenchyma, collenchyma, and sclerenchyma

Question 108. Diffuse porous woods are characteristics of plants growing in

  1. Alpine regions
  2. Cold winter regions
  3. Temperate regions
  4. Tropical regions

Answer: 4. Tropical regions

Question 109. Porous wood contains mainly

  1. Fibers
  2. Vessels
  3. Tracheids
  4. Solid secretions

Answer: 2. Vessels

Question 110. Bordered pits are very common in

  1. Monocotyledons
  2. Gymnosperms
  3. Dicotyledons
  4. Pteridophytes

Answer: 2. Gymnosperms

Question 111. Which of the following is known as wood?

  1. Primary xylem
  2. Secondary xylem
  3. Secondary phloem
  4. Cambium

Answer: 2. Secondary xylem

Question 112. The conducting part of phloem, according to Haberlandt (1914), is

  1. Hadrom
  2. Leptom
  3. Sterom
  4. Bark

Answer: 2. Leptom

Question 113. Epidermis in stem is produced from

  1. Protoderm
  2. Procambium
  3. Ground meristem
  4. Calyptrogen

Answer: 1. Protoderm

Question 114. Trabaculae is the transformation of

  1. Pericycle
  2. Endodermis
  3. Xylem
  4. Phloem

Answer: 2. Endodermis

Question 115. Which of the following is absent in the primary and secondary structure of stem of Pinusl

  1. Seive tubes
  2. Mucilage duct
  3. Companion cells
  4. Phloem parenchyma

Answer: 3. Companion cells

Question 116. Epiblema in roots is derived from

  1. Protoderm
  2. Procambium
  3. Ground meristem
  4. Calyptrogen

Answer: 1. Protoderm

Question 117. Procambium forms

  1. Only primary vascular bundles
  2. Only vascular cambium
  3. Only cork cambium
  4. Primary vascular bundles and vascular cambium

Answer: 1. Only primary vascular bundles

Question 118. Periblem produces

  1. Cortex
  2. Pericycle
  3. Vascular strand
  4. Both (2) and (3)

Answer: 1. Cortex

Question 119. Cells taking part in the conduction of sap are

  1. Sieve tubes
  2. Tracheae
  3. Sieve cells
  4. Stone cells

Answer: 2. Tracheae

Question 120. The function of vessels is

  1. Conduction of water and mineral
  2. Conduction of food
  3. Mechanical strength
  4. All of the above

Answer: 1. Conduction of water and mineral

Question 121. Why cambium is considered as lateral meristem?

  1. Because it gives rise to lateral branches.
  2. Because it increases the girth of a plant.
  3. Because it increases the length of a plant.
  4. None of these

Answer: 2. Because it increases the girth of a plant.

Question 122. Aerenchyma is helpful in plants by

  1. Providing buoyancy in hydrophytes
  2. Promoting photosynthesis
  3. Giving mechanical strength to plants
  4. Giving flexibility to plants

Answer: 1. Providing buoyancy in hydrophytes

Question 123. The chief function of sieve tubes is

  1. To translocate the organic materials manufactured in the leaves
  2. To conduct minerals
  3. To transport water from root to leaves
  4. To help the plant in forming wood

Answer: 1. To translocate the organic materials manufactured in the leaves

Question 124. At maturity, which of the following is non-nucleated?

  1. Sieve cell
  2. Companion cell
  3. Palisade cell
  4. Cortical cell

Answer: 1. Sieve cell

Question 125. Which combination of tissues acts together to provide the support to the hypocotyl of a seedling?

  1. Xylem and phloem fibers
  2. Epidermis and parenchyma
  3. Xylem and parenchyma
  4. Epidermis and collenchyma

Answer: 4. Epidermis and collenchyma

Question 126. Senescence and death are essential in the functioning of

  1. Sieve tubes
  2. Companion cells
  3. Both (1) and (2)
  4. Xylem and sclerenchyma cells

Answer: 4. Xylem and sclerenchyma cells

Question 127. The layer of cells outside the phloem meant for giving rise to the root branches is called

  1. Cambium
  2. Corpus
  3. Endodermis
  4. Pericycle

Answer: 4. Pericycle

Question 128. The lateral roots generally originate in

  1. Endodermal cells lying against phloem
  2. Cortex
  3. Pericycle cells lying against protoxylem
  4. Cork cambium

Answer: 3. Pericycle cells lying against protoxylem

Question 129. In free floating plant, the stomata are

  1. Absent
  2. Present on upper surface
  3. Present on both the surfaces
  4. Present on lower surface

Answer: 2. Present on upper surface

Question 130. Cuticle is secreted by

  1. Epidermis
  2. Endodermis
  3. Both (1) and (2)
  4. Hypodermis

Answer: 1. Epidermis

Question 131. Which of the following do not have stomata?

  1. Xerophytes
  2. Mesophytes
  3. Hydrophytes
  4. Submerged hydrophytes

Answer: 4. Submerged hydrophytes

Question 132. Passage cells are present in

  1. Epidermis
  2. Endodermis
  3. Xylem
  4. Lenticels and hydathodes

Answer: 2. Endodermis

Question 133. Velamen tissue in orchids is found in

  1. Shoot
  2. Root
  3. Leaves
  4. Flowers

Answer: 2. Root

Question 134. Which of the following have sunken stomata?

  1. Nerium
  2. Mangifera
  3. Hydrilla
  4. Zea mays

Answer: 1. Nerium

Question 135. Vascular bundles in the stem of Cucurbita or Lagenaria are

  1. Collateral
  2. Bicollateral
  3. Radial
  4. Inverted

Answer: 2. Bicollateral

Question 136. The bicollateral vascular bundle is the characteristic feature of plants belonging to the family

  1. Cniciferae
  2. Liliaceae
  3. Cucurbitaceae
  4. Malvaceae

Answer: 3. Cucurbitaceae

Question 137. Passage cells occur in

  1. Monocot root
  2. Dicot root
  3. Monocot stem
  4. Both (1) and (2)

Answer: 4. Both (1) and (2)

Question 138. Stomata in water lily and penstemon occur, respectively,

  1. Lower leaf surface and absent
  2. Upper leaf surface and absent
  3. Both leaf surfaces
  4. Absent in both

Answer: 2. Upper leaf surface and absent

Question 139. Root hairs are found

  1. In the zone of maturation
  2. On adventitious roots
  3. On the root cap
  4. On the apical meristem

Answer: 1. In the zone of maturation

Question 140. A concentric amphivasal (leptocentric) vascular bundle is one in which

  1. Centrally located phloem is surrounded by the xylem or xylem surrounds phloem
  2. Centrally located xylem is surrounded by phloem
  3. Xylem is flanked by phloem on the interior and exterior side only
  4. Phloem is flanked by the xylem on interior side only

Answer: 1. Centrally located phloem is surrounded by the xylem or xylem surrounds phloem

Question 141. Vascular bundles in which phloem is found on both the sides of xylem are called (in which of the following phloem occurs on two patches)

  1. Collateral
  2. Bicollateral (amphiphloic)
  3. Radial
  4. Amphicribral

Answer: 2. Bicollateral (amphiphloic)

Question 142. Pericycle in roots is responsible for

  1. The formation of lateral roots
  2. Providing mechanical support
  3. The formation of vascular bundle from cortex
  4. The formation of vascular bundle from endodermis

Answer: 1. The formation of lateral roots

Question 143. Monocot stem has

  1. Bicollateral closed vascular bundles
  2. Bicollateral open vascular bundles
  3. Collateral open vascular bundles
  4. Collateral closed vascular bundles

Answer: 4. Collateral closed vascular bundles

Question 144. In monocot roots, which types of vascular bundles are found?

  1. Collateral, conjoint, and closed
  2. Radial vascular bundles with exarch xylem
  3. Bicollateral, conjoint, and closed
  4. Radial vescular bundles with endarch xylem

Answer: 2. Radial vascular bundles with exarch xylem

Question 145. Exarch and polyarch vascular bundles occur in

  1. Monocot stem
  2. Monocot root
  3. Dicot stem
  4. Dicot root

Answer: 2. Monocot root

Question 146. Vascular bundles are scattered in

  1. Bryophytes
  2. Dicot root
  3. Dicot stem
  4. Monocot stem

Answer: 4. Monocot stem

Question 147. A dorsiventral leaf has

  1. Stomata on both sides
  2. Stomata on the lower surface
  3. Stomata on the upper surface
  4. No stomata

Answer: 1. Stomata on both sides

Question 148. In a leaf, vascular bundles are found in the

  1. Veins
  2. Palisade tissue
  3. Lower epidermis
  4. Upper epidermis

Answer: 1. Veins

Question 149. In a dicotyledonous stem, the sequence of tissues from the outside to the inside is

  1. Phellem-Pericycle-Endodermis-Phloem
  2. Phellem-Phloem-Endodermis-Pericycle
  3. Phellem-Endodermis-Pericycle-Phloem
  4. Pericycle-Phellem-Endodermis-Phloem

Answer: 3. Phellem-Endodermis-Pericycle-Phloem

Question 150. Hypodermis in a monocotyledonous stem is

  1. Parenchymatous
  2. Chlorenchymatous
  3. Collenchymatous
  4. Sclerenchymatous

Answer: 4. Sclerenchymatous

Question 151. In a dorsiventral leaf, protoxylem and metaxylem are located, respectively, on

  1. Abaxial and adaxial sides
  2. Adaxial and abaxial sides
  3. Adaxial and adaxial sides
  4. Abaxial and abaxial sides

Answer: 2. Adaxial and abaxial sides

Question 152. In a longitudinal section of a root, starting from the tip upward, the four zones occur in which of the following order

  1. Cell division, cell enlargement, cell maturation, root cap
  2. Cell division, cell maturation, cell enlargement, root cap
  3. Root cap, cell division, cell enlargement, cell maturation
  4. Root cap, cell division, cell maturation, cell enlargement

Answer: 3. Root cap, cell division, cell enlargement, cell maturation

Question 153. The intrafascicular cambium is situated

  1. Outside the vascular bundles
  2. In medullary rays
  3. Inside the vascular bundles
  4. In between the vascular bundles

Answer: 3. Inside the vascular bundles

Question 154. The waxy substance associated with the cell walls of cork cells is cork cells are impervious to water because of the presence of

  1. Cutin
  2. Suberin
  3. Lignin
  4. Hemicellulose

Answer: 2. Suberin

Question 155. If four radial vascular bundles are present, then the structure will be a

  1. Monocot stem
  2. Monocot root
  3. Dicot stem
  4. Dicot root

Answer: 4. Dicot root

Question 156. The functional xylem of the dicot tree is

  1. Sap wood
  2. Hard wood
  3. Heart wood
  4. Autumn wood

Answer: 1. Sap wood

Question 157. Tyloses thickenings are seen in

  1. Phloem cells
  2. Ray parenchyma only
  3. Collenchyma
  4. Ray parenchyma and xylem cells

Answer: 4. Ray parenchyma and xylem cells

Question 158. The main function of lenticel is

  1. Transpiration
  2. Guttation
  3. Bleeding
  4. Gaseous exchange

Answer: 2. Guttation

Question 159. Heart wood or duramen is the

  1. Outer region of secondary xylem
  2. Inner region of secondary xylem
  3. Outer region of secondary phloem
  4. Inner region of secondary phloem

Answer: 2. Inner region of secondary xylem

Question 160. Wood is the common name of

  1. Phloem
  2. Secondary xylem
  3. Cambium
  4. Vascular bundles

Answer: 2. Secondary xylem

Question 161. Cambium is most active in

  1. Pistia
  2. Rose
  3. Asparagus
  4. Dahlia

Answer: 1. Pistia

Question 162. Sapwood is the

  1. Outer functional part of secondary xylem
  2. Inner nonfunctional part of secondary xylem
  3. Outer as well as inner part of secondary xylem
  4. None of the above

Answer: 1. Outer functional part of secondary xylem

Question 163. The exchange of gases in old stems takes place from

  1. Stomata
  2. Hydathodes
  3. Lenticels
  4. Passage cells

Answer: 3. Lenticels

Question 164. Vascularization in plants occurs through

  1. Differentiation of procambium followed by primary phloem and then primary xylem
  2. Differentiation of procambium followed by development of xylem and phloem
  3. Simultaneous differentiation of procambium, xylem, and phloem
  4. Differentiation of procambium which is immediately followed by the development of secondary xylem and secondary phloem

Answer: 2. Differentiation of procambium followed by development of xylem and phloem

Question 165. Tyloses are

  1. Wound-healing secretions
  2. Responsible for plugging the lumen of vessels
  3. Special epidermal hairs covering stomata in xerophytes
  4. Callus secretion on sieve plates

Answer: 2. Responsible for plugging the lumen of vessels

Question 166. The removal of ring wood of tissue outside the vascular cambium from the tree trunk kill it because

  1. Water cannot move up
  2. Food does not travel down and root becomes starved
  3. Shoot becomes starved
  4. Annual rings are not produced

Answer: 2. Food does not travel down and root becomes starved

Question 167. Leaves are situated on

  1. Nodes
  2. Intemodes
  3. Tip
  4. None of these

Answer: 4. None of these

Question 168. Which of the following cell is totipotent?

  1. Meristem
  2. Sieve tube
  3. Collenchyma
  4. Xylem vessel

Answer: 1. Meristem

Question 169. Raphides are needle-like crystals of calcium oxalate which are specially found in

  1. Dahlia
  2. Pistia
  3. Asparagus
  4. All of the above

Answer: 2. Pistia

Question 170. Commercial cork is obtained from

  1. Mango
  2. Oak (Quercus suber)
  3. Ficus religiosa
  4. Pinus

Answer: 2. Oak (Quercus suber)

Question 171. Wound healing is due to

  1. Primary meristem
  2. Secondary meristem
  3. Ventral meristem
  4. All of the above

Answer: 1. Primary meristem

Question 172. Which of the following tissues is present in the leaves of Pinus to conduct water and food

  1. Xylem
  2. Phloem
  3. Transfussion tissue
  4. Conducting tissue

Answer: 3. Transfussion tissue

Question 173. Prolostelcs arc found in

  1. Bryophyta
  2. Gymnosperms
  3. Ptcridophyta
  4. Angiosperms

Answer: 3. Ptcridophyta

Question 174. The most primitive type of stele is

  1. Eustele
  2. Solenostele
  3. Prolostele
  4. Siphonostele

Answer: 3. Prolostele

Question 175. Stele consists of

  1. Phloem
  2. Xylem
  3. Pericycle
  4. All the above

Answer: 4. All the above

Question 176. The lightest wood is

  1. Cereus giganteus
  2. Ochroma lagopus
  3. Hardwickia binata
  4. Cycas

Answer: 2. Ochroma lagopus

Question 177. Inulin and raphide crystals are which type of plant products?

  1. Excretory
  2. Inorganic
  3. Respiratory
  4. Reserve material

Answer: 4. Reserve material

Question 178. Which one of the following show origin and evolution of steles

  1. Bryophytes
  2. Pteridophytes
  3. Gymnosperms
  4. Angiosperms

Answer: 2. Pteridophytes

Question 179. The stems of hydrophytic plants are soft and weak because of the poor development of

  1. Pith and supporting parenchyma
  2. Phloem and companion cells
  3. Xylem and supporting tissue
  4. Cortex and endodermis

Answer: 3. Xylem and supporting tissue

Question 180. The tunica corpus theory was proposed by

  1. Schmidt
  2. Nageli
  3. Hanstein
  4. Wolf

Answer: 1. Schmidt

Question 181. Cork cambium represents

  1. Secondary meristem
  2. Primary meristem
  3. Intercalary meristem
  4. Apical meristem

Answer: 1. Secondary meristem

Question 182. Cambium produces growth in

  1. Branches
  2. Girth
  3. Pith
  4. Cortex

Answer: 2. Girth

Question 183. Vascular bundles grow from

  1. Protoderm
  2. Periderm
  3. Ground meristem
  4. Procambium

Answer: 4. Procambium

Question 184. The tunica corpus theory is connected with

  1. Root apex
  2. Root cap
  3. Shoot apex
  4. Secondary growth

Answer: 3. Shoot apex

Question 185. Which meristem helps in increasing girth?

  1. Lateral meristem/cambium
  2. Intercalary meristem
  3. Primary meristem
  4. Apical meristem

Answer: 1. Lateral meristem/cambium

Question 186. Procambium forms

  1. Only primary vasular bundles
  2. Only vascular cambiun
  3. Only cork cambium
  4. Primary vascular bundles and vascular cambium

Answer: 1. Only primary vasular bundles

Question 187. Quiescent center occurs in

  1. Shoot apex
  2. Root apex
  3. Both 1 and 2
  4. Meristematic tissue

Answer: 2. Root apex

Question 188. Intercalary meristem produces

  1. Secondary growth
  2. Primary growth
  3. Apical growth
  4. Secondary thickeing
  5. Secondary overgrowth

Answer: 2. Primary growth

Question 189. Histogen tissues are classified on the basis of

  1. Plane of division
  2. Type of cells they form
  3. Position
  4. Origin

Answer: 2. Type of cells they form

Question 190. Meristematic cells are characterized by

  1. Thin cell walls and large intercellular spaces
  2. Thin cell walls and no intercellular spaces
  3. Thick cell walls and large intercellular spaces
  4. Thick cell walls and small intercellular spaces

Answer: 2. Thin cell walls and no intercellular spaces

Question 191. The quiescent center is the region of root apex which is

  1. Actively dividing
  2. Water absorption area
  3. Inactive cells
  4. Root hair cells

Answer: 3. Inactive cells

Question 192. Which one of the following is not fonned from procambium?

  1. Xylem
  2. Phloem
  3. Intrafascicular cambium
  4. Interfascicular cambium

Answer: 4. Interfascicular cambium

Question 193. Which of the following is an example of secondary meristem?

  1. Xylem
  2. Phloem
  3. Phloem
  4. Cork cambium

Answer: 4. Cork cambium

Question 194. The outermost primary meristem forms

  1. Epidermis
  2. Procambium
  3. Ground meristem
  4. All the above

Answer: 1. Epidermis

Question 195. The vascular cambium of dicot stem is

  1. Apical meristem
  2. Intercalary meristem
  3. Local meristem
  4. Secondary meristem

Answer: 3. Local meristem

Question 196. The cells of quiescent center have lower concentration of

  1. DNA
  2. Proteins
  3. RNA
  4. All the above

Answer: 4. All the above

Question 197. The length of petiole increases by the activity of

  1. Apical meristem
  2. Lateral meristem
  3. Intercalary meristem
  4. All the above

Answer: 3. Intercalary meristem

Question 198. Intercalary meristem is the derivative of

  1. Promeristem
  2. Primary meristem
  3. Lateral meristem
  4. Secondary meristem

Answer: 2. Primary meristem

Question 199. Dividing cells not yet committed to become specific cell type are

  1. Epidermal cells
  2. Ground cells
  3. Periderm cells
  4. Meristem cells

Answer: 4. Meristem cells

Question 200. Shoot apical meristem occurs over the tip of

  1. Root
  2. Radicle
  3. Plumule
  4. Mesocotyl

Answer: 3. Plumule

Question 201. In dicot stems, vascular cambium is formed from

  1. Procambium
  2. Cambium
  3. Promeristem
  4. Protoderm

Answer: 1. Procambium

Question 202. Cambium is the lateral meristem that takes part in

  1. Intermodal growth
  2. Axial growth
  3. Growth of Branches
  4. Increasing girth of stem and root

Answer: 3. Growth of Branches

Question 203. Vascular tissues of the flowering plant develop from

  1. Dermatogen
  2. Periblem
  3. Plerome
  4. Phellogen

Answer: 3. Plerome

Question 204. The length of different internodes in culm of sugarcane is variable due to

  1. Shoot apical meristem
  2. Position of axillary buds
  3. Intercalary meristem
  4. Size of leaf lamina at the node below each intemode

Answer: 3. Intercalary meristem

Question 205. Lateral meristems are

  1. Phellogen and procambium
  2. Procambium and dermatogen
  3. Fascicular cambium and procambium
  4. Fascicular cambium and cork combium

Answer: 4. Fascicular cambium and cork combium

Question 206. Interfascicular cambium is

  1. Intercalary meristem
  2. Secondary meristem
  3. Apical meristem
  4. Noncalary meristem

Answer: 2. Secondary meristem

Question 207.  Select the correct option.

A: Apical and intercalary meristems contribute to the growth in length while the lateral meristems bring an increase in girth in Mazie.

R: Apical and intercalary meristems always increase the height of plants

  1. Both A and R are true with R being the correct explanation of A.
  2. Both A and R are true but R is not the correct aplanation of A.
  3. A is true but R is false.
  4. A is false but R is true.

Answer: 4. A is false but R is true.

Question 208. Histogens are components of

  1. Secondary phellogen
  2. Apical meristem
  3. Lateral meristem
  4. Intercalary meristem

Answer: 2. Apical meristem

Question 209. Which one of the following is not a lateral meristem?

  1. Interfascicular cambium
  2. Phellogen
  3. Intercalary meristem
  4. Intrafascicular cambium

Answer: 3. Intercalary meristem

Question 210. Meristem that is parallel to the longitudinal axis of the plant is

  1. Procambium
  2. Intercalary meristem
  3. Phellogen
  4. Apical meristem

Answer: 3. Phellogen

Question 211. The tissue that has dead cells in the functional state is

  1. Collenchyma
  2. Sclerenchyma
  3. Parenchyma
  4. Phloem

Answer: 2. Sclerenchyma

Question 212. Albuminous cells occur in

  1. Xylem
  2. Phloem
  3. Cortex
  4. Conjunctive parenchyma

Answer: 2. Cortex

Question 213. Which group possesses vessels in its xylem?

  1. Pteridophytes
  2. Angiosperms
  3. Gymnosperms
  4. Both (2) and (3)

Answer: 2. Angiosperms

Question 214. The only plant cells without nucleus among the following are

  1. Cambium
  2. Xylem vessels elements
  3. Root hairs
  4. Companion cells

Answer: 2. Xylem vessels elements

Question 215. The epidermal fibers of economic importance belong to

  1. Cotton
  2. Flax
  3. Hemp
  4. Coir

Answer: 1. Cotton

Question 216. Sieve tubes arc constituent of

  1. Wood
  2. Vascular cambium
  3. Phcllem
  4. Bast

Answer: 4. Bast

Question 217. A closed collateral bundle is one where

  1. Xylem and phloem occur on different radii
  2. Collateral bundle occurs without cambium
  3. Xylem and phloem arc separated by cambium
  4. Collateral bundle occurs with cambium

Answer: 2. Collateral bundle occurs without cambium

Question 218. Anatomically, jute fibers are

  1. Xylem fibers
  2. Cortical fibers
  3. Pith fibers
  4. Phloem fibers

Answer: 4. Phloem fibers

Question 219. Jute of commerce is obtained from

  1. Primary phloem
  2. Secondary phloem
  3. Secondary xylem
  4. Primary xylem

Answer: 2. Secondary phloem

Question 220. Which is correct?

  1. Tracheids are unicellular with wide lumen
  2. Vessels are multicellular with wide lumen
  3. Tracheids are unicellular with narrow lumen
  4. Vessels are multicellular with narrow lumen

Answer: 2. Vessels are multicellular with wide lumen

Question 221. Which one of the following statements pertaining to plant structure is correct?

  1. Cork lacks stomata but lenticels carry out transpiration
  2. Passage cells help in transfer of food from cortex to phloem
  3. Sieve tube elements possess cytoplasm but no nuclei
  4. The shoot apical meristem has a quiescent center.

Answer: 3. Sieve tube elements possess cytoplasm but no nuclei

Question 222. Identify the plant tissue in which lignin is absent

  1. Collenchyma
  2. Sclerenchyma fibers
  3. Sclereids
  4. Xylem tracheids

Answer: 1. Collenchyma

Question 223. Pith or central part of ground tissue is made of

  1. Collenchyma
  2. Parenchyma
  3. Chlorenchyma
  4. Sclerenchyma

Answer: 2. Parenchyma

Question 224. Vascular bundles having phloem on the periphery of both outer and inner cambium are

  1. Bicollatcral closed
  2. Bicollateral open
  3. Radial
  4. Biradial

Answer: 2. Bicollateral open

Question 225. Which pair has lignin in both?

  1. Tracheids and collenchyma
  2. Schlerenchyrna and sieve tube
  3. Schlerenchyrna and tracheids
  4. Parenchyma and endodermis

Answer: 3. Schlerenchyrna and tracheids

Question 226. The living part of xylem is

  1. Xylem tracheids
  2. Xylrm vessel
  3. Parenchyma
  4. Complex tissues

Answer: 3. Parenchyma

Question 227. Which is least differentiated?

  1. Simple tissues
  2. Parenchyma
  3. Circulatory tissues
  4. Complex tissue

Answer: 2. Parenchyma

Question 228. The term parenchyma was coined by

  1. Hooke
  2. Schleiden
  3. Grew
  4. Mcttenius

Answer: 3. Grew

Question 229. P-protein occurs in

  1. Sieve tube elements
  2. Tracheids
  3. Vessels
  4. Phloem parenchyma

Answer: 1. Sieve tube elements

Question 230. Companion cells are found in

  1. Epidermis
  2. Cambium
  3. Xylem
  4. Phloem

Answer: 4. Phloem

Question 231. The common feature in vessel elements and sieve tube elements is

  1. Enucleate condition
  2. Presence of p-protein
  3. Thick secondary wall
  4. Pores on lateral walls

Answer: 1. Enucleate condition

Question 232. In sieve elements, the possible function of P-proteins is

  1. Autolytic enzymes
  2. The sealing mechanism for wounding
  3. Providing energy for active translocation
  4. Deposition of callose on sieve plates

Answer: 2. Sealing mechanism on wounding

Question 233. The collateral conjoint vascular bundle possesses

  1. Xylem and phloem on alternate radii
  2. Phloem surrounding xylem
  3. Xylem surrounding phloem
  4. Xylem and phloem on the same radius with two groups of phloem, on the two sides of the xylem
  5. Xylem and phloem on the same radius with one group of phloem outside xylem

Answer: 4. Xylem and phloem on the same radius with one group of phloem outside the xylem

Question 234. Match the columns

NEET Biology Anatomy Of Flowering Plants Match The Column Question 234

  1. (1) → (C), (2) → (D), (3) → (B), (4) → (A)
  2. (1) → (D), (2) → (C), (3) → (B), (4) → (A)
  3. (1) → (C), (2) → (B), (3) → (A), (4) → (D)
  4. (1) → (B). (2) → (A), (3) → (D), (4) → (C)
  5. (1) → (A), (2) → (B), (3) → (C), (4) → (D)

Answer: 1. (1) → (C), (2) → (D), (3) → (B), (4) → (A)

Question 235. Bordered pits are elongated transversely and arranged in vertical series. The pattern is known as

  1. Scalariform pitting
  2. Intervascular pitting
  3. Reticulate thickening
  4. Oblique pitting

Answer: 1. Scalariform pitting

Question 236. Trichomes take part in

  1. Transpiration and exchange of gases
  2. Protection and reduction of transpiration
  3. Exudation of water drops
  4. Desiccation

Answer: 2. Protection and reduction of transpiration

Question 237. Simple sieve plate occurs in

  1. Cucurbita
  2. Vitis
  3. Pyrus
  4. Primus

Answer: 1. Cucurbita

Question 238. Lacunate collenchyma is found in the stem of

  1. Leucas
  2. Monstera
  3. Cucurbita
  4. Sambucus

Answer: 3. Cucurbita

Question 239. Angiosperm lacking vessels is

  1. Mangifera
  2. Dillenia
  3. Magnolia
  4. Drimys

Answer: 4. Drimys

Question 240. Sclereids found in the seed coat of pulses are

  1. Marcrosclereids
  2. Brachysclereids
  3. Osteosclreids
  4. Asterosclereids

Answer: 1. Asterosclereids

Question 241. Xylem produced through centrifugal differentiation is

  1. Exarch
  2. Endarch
  3. Research
  4. Centrarch

Answer: 4. Centrarch

Question 242. What is wrong with sieve babe elements?

  1. Peripheral cytoplasm and large vacuole.
  2. The perforated end wall becomes impregnated with lignin.
  3. P-proteins occur evenly distributed throughout the lumen.
  4. Absence of nucleus at maturity.
  5. Tube-like structures present in longitudinal series.

Answer: 2. Perforated end wall becomes impregnated with lignin.

Question 243. Collenchyma is

  1. Living with no reserved food
  2. Living with protoplasm
  3. Dead and hollow
  4. Dead with reserve food

Answer: 2. Living with protoplasm

Question 244. Vessels and companion cells occur in

  1. Thallophytes
  2. Bryophytes
  3. Pteridophytes
  4. Angiosperms

Answer: 4. Angiosperms

Question 245. Which ones are correct?

  1. Uneven thickening of cell wall is characteristic of sclerenchyma
  2. Periblem forms cortex of stem and root
  3. Tracheids are chief water conducting elements in gyntno sperms
  4. The commercial cell is devoid of the nucleus at maturity
  5. Commercial cork is obtained from Quercus suber
  1. 2, 3, 5
  2. a, 4
  3. 2, 5
  4. 3, 4
  5. 1, 2, 3

Answer: 1. 2, 3, 5

Question 246. In a vascular bundle, the xylem shows centripetal development. It is

  1. Centrarch
  2. Mesarch
  3. Endarch
  4. Exarch

Answer: 3. Endarch

Question 247. Which pair has lignin in themselves?

  1. Tracheid and collenchyma
  2. Sclerenchyma and sieve tube
  3. Sclerenchyma and tracheids
  4. Parenchyma and endodermis

Answer: 3. Sclerenchyma and tracheids

Question 248. Parenchymatous cells filling the space and vascular tissue is are

  1. Ground tissues
  2. Epidermal tissues
  3. Pith
  4. Vascular bundles

Answer: 1. Ground tissues

Question 249. Match the column

NEET Biology Anatomy Of Flowering Plants Match The Column Question 249

  1. (1) → (C), (2) →(A), (3) → (B), (4) → (D)
  2. (1) → (C), (2) → (E), (3) → (A), (4) → (B)
  3. (1) → (B), (2) → (A), (3) → (C), (4) → (D)
  4. (1) → (E), (2) → (B), (3) → (A), (4) → (C)

Answer: 2. (1) → (C), (2) → (E), (3) → (A), (4) → (B)

Question 250. Senescence, an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in

  1. Annual plants
  2. Floral parts
  3. Leaf abscission
  4. Vessels and tracheids

Answer: 3. Leaf abscission

Question 251. Tissue cells commonly found in the fruit walls of nuts and pulp of some fruits like guava are called

  1. Fibers
  2. Sclereids
  3. Tracheids
  4. Vessels

Answer: 2. Sclereids

Question 252. At maturity, sieve plates become impregnated with

  1. Cellulose
  2. Suberin
  3. Callose
  4. Lignin
  5. Pectin

Answer: 3. Lignin

Question 253. Choose the correct options.

  1. Thread-like cytoplasmic strands, running from one cell to other are known as plasmodesmata
  2. The xylem and phloem constitute the vascular bundle of the stem.
  3. First formed, xylem elements are described as metaxylem.
  4. Radial bundles are mainly found in leaves.
  1. 1, 2 true; 3, 4 wrong
  2. 4 true; 1, 2, 3 wrong
  3. 4 true; 1, 2, 4 wrong
  4. 2 true; 1, 3, 4 wrong
  5. 1 true; 2, 3, 4 wrong

Answer: 1. 1, 2 true; 3, 4 wrong

Question 254. Which one consists of living cells?

  1. Vessels
  2. Tracheids
  3. Companion cells
  4. Sclerenchyma

Answer: 3. Companion cells

Question 255. Annular and spirally thickened conducting element that generally develops in protoxylem when root or stem is

  1. Widening
  2. Differentiating
  3. Maturing
  4. Elongating

Answer: 4. Elongating

Question 256. Which one is enucleated?

  1. Companion cell
  2. Sieve cell
  3. Tracheid
  4. Vessel

Answer: 2. Sieve cell

Question 257. Which of the following is a complex tissue?

  1. Parenchyma
  2. Collenchyma
  3. Xylem
  4. Sclerenchyma

Answer: 3. Xylem

Question 258. Compare the statements A and B.

A: Sclerenchyma cells do not have plasmodesmata

B: Cell walls of some permanent tissue are heavily lignified.

  1. Statement A is correct and B is wrong
  2. Both the statements A and B are wrong
  3. Both the statements A and B are correct
  4. Statement A is wrong and B is correct

Answer: 3. Both the statements A and B are correct

Question 259. The activity of sieve tubes is remotely controlled by the protoplasm of

  1. Phloem parenchyma
  2. Companion cells
  3. Phloem fibers
  4. Both phloem parenchyma and phloem fibers

Answer: 2. Companion cells

Question 260. Find the incorrect statement.

  1. Root hairs are unicellular elongations.
  2. Trichomes are unicellular elongations.
  3. Trichomes are multicellular elongations.
  4. Root hairs absorb water and minerals.

Answer: 1. Root hairs are unicellular elongations.

Question 261. The arrangement of the xylem in the stem is

  1. Endarch
  2. Mesarch
  3. Exarch
  4. Both (1) and (2)

Answer: 1. Endarch

Question 262. Which of the following is not part of the epidermal tissue system?

  1. Trichomes
  2. Companion cells
  3. Guard cells
  4. Subsidiary cells
  5. Root hairs

Answer: 2. Companion cells

Question 263. Which of the following statements is true?

  1. Collenchyma occurs in layers below epidermis.
  2. Xylem parenchyma cells are living, thin, walled, and lignified.
  3. Sclerenchyma cells are usually dead and without protoplasts.
  4. Companion cells are specialized sclerenchyma cells.
  5. Phloem fibers are generally present in primary phloem.

Answer: 3. Companion cells are specialized sclerenchyma cells.

Question 264. The transport of food material in higher plants takes place through

  1. Companion cells
  2. Sieve elements
  3. Tracheids
  4. Transfusion tissue

Answer: 2. Sieve elements

Question 265. Cotton fiber is basically a type of

  1. Trichome
  2. Scale
  3. Dried seed coat
  4. Non-glandular hair

Answer: 4. Non-glandular hair

Question 266. Heartwood is the

  1. Outer part of the secondary xylem
  2. Inner part of the secondary xylem
  3. The outer part of the secondary phloem
  4. Inner part of the secondary phloem

Answer: 2. Inner part of secondary xylem

Question 267. As the secondary growth takes place (proceeds) in a tree, thickness of

  1. Heartwood increases
  2. Sapwood increases
  3. Both increases
  4. Both remain the same

Answer: 3. Both increases

Question 268. The bark of tree commonly comprises

  1. All the tissue outside the vascular cambium
  2. All the tissue outside the cork cambium
  3. Only the cork
  4. The cork and secondary cortex

Answer: 1. All the tissue outside the vascular cambium

Question 269. A well-developed pith is found in

  1. Monocot root and monocot stem
  2. Monocot stem and dicot root
  3. Monocot root and dicot stem
  4. Dicot root and dicot stem

Answer: 3. Monocot root and dicot stem

Question 270. Cork is formed from

  1. Cork cambium (phellogen)
  2. Vascular cambium
  3. Phloem
  4. Xylem

Answer: 1. Cork cambium (phellogen)

Question 271. The function of cork cambium is to produce

  1. Secondary xylem and secondary phloem
  2. Cork and secondary cortex
  3. Secondary cortex and phloem
  4. Cork

Answer: 2. Cork and secondary cortex

Question 272. Monocot root differs from dicot root in having

  1. Open vascular bundles
  2. Scattered vascular bundles
  3. Well-developed pith
  4. Radially arranged vascular bundles

Answer: 3. Well-developed pith

Question 273. Where do the Casparian bands occur?

  1. Epidermis
  2. Endodermis
  3. Pericyle
  4. Phloem

Answer: 2. Endodermis

Question 274. Growth/annual rings are formed by the actively of

  1. Cambium
  2. Xylem
  3. Phloem
  4. Both xylem and phloem

Answer: 1. Cambium

Question 275. Tyloses occur in

  1. Secondary xylem
  2. Secondary phloem
  3. Callus tissue
  4. Cork cells

Answer: 1. Secondary xylem

Question 276. The exchange of gases between air and internal tissue of older corky stem takes place through

  1. Sieve tube
  2. Pits
  3. Stomata
  4. Lenticels

Answer: 4. Lenticels

Question 277. In roots, lateral branches grow from

  1. Epiblema
  2. Pericycle
  3. Cortex
  4. Endodermis

Answer: 2. Pericycle

Question 278. Sunken stomata occur in

  1. Mesophytes
  2. Xerophytes
  3. Hygrophytes
  4. Hydrophytes

Answer: 2. Xerophytes

Question 279. Mesophyll is differentiated into palisade and spongy tissues in

  1. Extremely xerophytic leaves
  2. Hydrophytic leaves
  3. Monocot leaves
  4. Dicot leaves

Answer: 4. Dicot leaves

Question 280. Builiform or motor cells occur in

  1. The upper epidermis of Dicot Leaves
  2. Upper epidermis of monocot leaves
  3. Lower epidermis of monocot leaves
  4. Lower epidermis of dicot leases

Answer: 2. Upper epidermis of monocot leaves

Question 281. Poyureh and exarch conditions is found in

  1. Monocot stem
  2. Monocot root
  3. Dicot stem
  4. Dicot root

Answer: 2. Monoeot root

Question 282. Meristem present in a vascular bundle is

  1. Fnscicular/Intrafascicular cambium
  2. Intrafascicular cambium
  3. Phellogcn
  4. Procambium

Answer: 1. Fnscicular/Intrafascicular cambium

Question 283. Fusiform initials produce

  1. Vascular rays
  2. Primary phloem
  3. Trachearv elements
  4. Ray parenchyma

Answer: 3. Trachearv elements

Question 284. The outer lighter colored/album region of snood is

  1. Autumn wood
  2. Spring wood
  3. Heart wood
  4. Sap wood

Answer: 4. Sap wood

Question 285. In monocots

  1. Leaves have reticulate venation
  2. Stems annual rings
  3. Seeds have tsvo storage organs
  4. Stems have scattered conducting strands

Answer: 4. Stems have scattered conducting strands

Question 286. Cork cambium is also called

  1. Phelloderm
  2. Phcllem
  3. Periderm
  4. Phellogcn

Answer: 4. Phellogcn

Question 287. Periderm is produced by

  1. Vascular cambium
  2. Fascicular cambium
  3. Phellogcn
  4. Intrafascicular cambium

Answer: 3. Phellogcn

Question 288. Common features between lenticels and hydathodes are

  1. They allow the exchange of gases
  2. They always remain closed
  3. There is no regulation of their opening and closing
  4. They occur on the same organ of the plant

Answer: 1. They allow the exchange of gases

Question 289. Endodermis of dicot stem

  1. Bundle sheath
  2. Starch sheath
  3. Mesophyll
  4. water channel

Answer: 2. Starch sheath

Question 290. Endodermis is a part of

  1. Medulla
  2. Stele
  3. Cortex
  4. Exodermis

Answer: 3. Cortex

Question 291. The functional xylem of the dicot tree is

  1. Sapwood
  2. Autumn wood
  3. Heartwood
  4. Hardwood

Answer: 1. Sapwood

Question 292. Tyloses are thickenings seen in

  1. Ray parenchyma
  2. Collenchyma
  3. Phloem cells
  4. Ray parenchyma and xylem cells

Answer: 4. Ray parenchyma and xylem cells

Question 293. Casparian strips contain

  1. Cutin
  2. Pectin
  3. Suberin
  4. Wax

Answer: 3. Suberin

Question 294. A monocot showing secondary growth is

  1. Coconut
  2. Sugarcane
  3. Mazie
  4. Yucca

Answer: 4. Yucca

Question 295. Scattered vascular bundles occur in

  1. Pteridophytes
  2. Gymnosperms
  3. Monocots
  4. Dicots
  5. Bryophytes

Answer: 3. Dicots

Question 296. The vascular cambium of the stem is

  1. Primary meristem
  2. Partly primary and partly secondary
  3. Secondary meristem
  4. Intercalary meristem

Answer: 2. Partly primary and partly secondary

Question 297. Growth rings are formed by the activity of

  1. Extrastelar cambium
  2. Intrastelar cambium
  3. Interstellar cambium
  4. Both 2 and 3

Answer: 4. Both 2 and 3

Question 298. The Inner darker, harder portion of the secondary xylem that cannot conduct water in older dicot stems is called

  1. Alburnum
  2. Bast
  3. Duramen
  4. Wood

Answer: 3. Duramen

Question 299. Epiblema is the name of the epidermis of

  1. Leaf
  2. Stem
  3. Dicot root
  4. Both dicot and monocot roots

Answer: 4. Both dicot and monocot roots

Question 300. Choose the correct combination of labeling of the lattice

NEET Biology Anatomy Of Flowering Plants Labelling Of The Lenticel

  1. 1 → pore, 2 → complementary cells, 3 → cork, 4 → cork cambium, 5 → secondary cortex
  2. 1 → pore, 2 → secondary cortex, 3 → cork, 4 → cork cambium, 5 → complementary cells
  3. 1 → pore, 2 —> cork cambium, 3 → secondary cortex, 4 → cork, 5 → complementary cells
  4. 1 → pore, 2 → cork, 3 → complementary cells, 4 → cork cambium, 5 → secondary cortex
  5. 1 → pore, 2 → cork, 3 → cork cambium, 4 → secondary cortex, 5 → complementary cells

Answer: 1. 1 → pore, 2  → complementary cells, 3 → cork, 4 → cork cambium, 5 → secondary cortex

Question 301. The correct sequence of layers from outside to inside of a typical monocot root is

  1. Epiblema, endodermis, cortex, pericycle
  2. Pericycle, cortex, endodermis, epiblema
  3. Epiblema, cortex, endodermis, pericycle
  4. Epiblema, pericycle, cortex, endodermis

Answer: 3. Epiblema, cortex, endodermis, pericycle

Question 302. (A): All the endodermal cells of a root do not contain casparian thickenings on their radial walls and transverse walls.

(R): Passage cells are found in endodermis.

  1. Both (A) and (R) are true. (R) is the correct explanation of (A)
  2. Both (A) and (R) are true. (R) is not the correct explanation of (A).
  3. (A) is true but (R) is false.
  4. (A) is false but (R) is true.

Answer: 4. (A) is false but (R) is true.

Question 303. Identify the correct order of components with reference to their arrangement from outside to inner side in a woody dicot stem

  1. Secondary cortex
  2. Autumn wood
  3. Secondary phloem
  4. Phellum
  1. 2,3, 1,4
  2. 4, 1, 3, 2
  3. 1,2, 4, 3

Answer: 2. 4, 1, 3, 2

Question 304. Palisade parenchyma is present on both sides in

  1. Ncrium
  2. Eucalyptus
  3. Wheat
  4. Both (1) and (2)

Answer: 4. Both (1) and (2)

Question 305. Tyloses are balloon-like ingrowths in vessels developed from the adjoining

  1. Parenchyma through pits in vessel wall
  2. Parenchyma through general surface of vessel wall
  3. Fibers through the general surface of the vessel wall
  4. Fibers through pits in vessel wall

Answer: 1. Parenchyma through pits in the vessel wall

Question 306. Casparian thickenings occur in the cells of

  1. Pcricyclc of stem
  2. Endodcrmis of stem
  3. Pcricyclc of root
  4. Endodcrmis of root

Answer: 4. Endodcrmis of root

Question 307. Large, nearly empty, colorless cells present on the upper surface of grass a leaf are

  1. Accessory cells
  2. Bulliform cells
  3. Palisade parenchyma
  4. Spongy parenchyma
  5. Passage cells

Answer: 2. Bulliform cells

Question 308. Which of the following is/are not true?

  1. Cork cambium is otherwise called phellogen.
  2. Cork is otherwise called Phellem.
  3. The secondary cortex is otherwise called the periderm.
  4. Cork cambium, cork, and secondary cortex are collectively called phelloderm.
  1. (2) and (4) only
  2. (2) and (3) only
  3. (3) and (2) only
  4. (2) and (2) only
  5. (1) and (4) only

Answer: 3. (3) and (2) only

Question 309. The collateral open vascular bundles and eustele are found in

  1. Dicot root
  2. Dicot stem
  3. Monocot stem
  4. Monocot root

Answer: 2. Dicot stem

Question 310. Radial vascular bundles occur in

  1. Dicot root
  2. Monocot root
  3. All roots
  4. Dicot stem

Answer: 3. All roots

Question 311. Vascular cabium produces

  1. Secondary xylem and secondary phloem
  2. Secondary xylem only
  3. Secondary phloem only
  4. Primary xylem and primary phloem

Answer: 1. Secondary xylem and secondary phloem

Question 312. Phellogen is also known as?

  1. Vascular cambium
  2. Periderm
  3. Cork cambium
  4. Apical cambium

Answer: 3. Cork cambium

Question 313. Which one is/are not true?

  1. Cork cambium is called phellogen.
  2. Cork is called phellogen.
  3. The secondary cortex is called the periderm.
  4. The secondary cambium, cork, and secondary cortex are collectively called phelloderm.
  1. (1) and (4) only
  2. (1) and (2) only
  3. (2) and (3) only
  4. (2) and (4) only
  5. (1) and (2) only

Answer: 1. (1) and (4) only

Question 314. The cambium ring consists of

  1. Interfascicular cambium
  2. Intrafascicular cambium
  3. Both (1) and (2)
  4. Phelloderm

Answer: 3. Both (1) and (2)

Question 315. Endodcrmis takes part in

  1. Providing protection
  2. Preventing water loss from the stele
  3. Maintaining rigidity
  4. All the above

Answer: 2. Preventing water loss from stele

Question 316. In autumn and winter, cambium produces

  1. Sapwood
  2. Heartwood
  3. Early wood
  4. Latewood

Answer: 4. Latewood

Question 317. The cells of grass leaves which help minimize cuticular transpiration are

  1. Bulliform cells
  2. Guard cells
  3. Subsidiary cells
  4. Endodermal cells

Answer: 1. Bulliform cells

Question 318. Cork cambium is

  1. Primary meristem
  2. Apical meristem
  3. Secondary meristem
  4. Intercalary meristem

Answer: 3. Secondary meristem

Question 319. Secondary growth is best observed in

  1. Teak and pine
  2. Deodar and fem
  3. Wheat and maidenhair fem
  4. Sugarcane and sunflower

Answer: 1. Teak and pine

Question 320. Passage cells are thin-walled cells found in

  1. Phloem elements serve as entry points
  2. Testa of seeds for emergence of embryonal axis
  3. The central area of style for the passage of pollen tube
  4. Endodermis of roots to facilitate rapid transport of water from cortex to pericycle

Answer: 4. Endodermis of roots to facilitate rapid transport of water from cortex to pericycle

Question 321. Find out the correct and incorrect statements.

  1. In dicot root, the vascular bundles are collateral and endarch
  2. The innermost layer of the cortex in a dicot root is the endodermis
  3. In dicot root, phloem and xylem bundles are separated by conjunctive tissue
  1. (1) true, (2), (3) false
  2. (2) true, (1), (3) false
  3. (1) false, (2),(3) true
  4. (2) false, (1), (3) true
  5. (3) true, (1), (2) false

Answer: 3. (1) false, (2), (3) true

Question 322. The closing layers of lenticels show the deposition of

  1. Cutin
  2. Lignin
  3. Pectin
  4. Suberin

Answer: 4. Suberin

Question 323. What differentiates a dicot leaf from a monocot leaf?

  1. Stomata only on the upper side
  2. Differentiation of palisade and spongy parenchyma
  3. Parallel venation
  4. Stomata on the upper and lower sides

Answer: 2. Differentiation of palisade and spongy parenchyma

Question 324. Cellular layers from the outside to the inside in old dicot stems are

  1. Epidermis, phellem, phellogen, phelloderm
  2. Epidermis, hypodermis, cortex, endodermis
  3. Epidermis, phellogen, phellem, endodermis
  4. Epidermis, hypodermis, phellogen, phelloderm

Answer: 1. Epidermis, phellem, phellogen, phelloderm

Question 325. Older resin-clogged central secondary xylem and younger outer secondary xylem are, respectively, known as

  1. Alburnum and duramen
  2. Duramen and alburnum
  3. Autumn wood and springwood
  4. Spring-wood and autumn-wood

Answer: 2. Duramen and alburnum

Question 326. Which character is not associated with plants where Shull studied inbreeding depression while Miller and Letham extracted a hormone from its seeds?

  1. Atactostele in stem
  2. Bundle sheath in leaf
  3. Chromosome number 30 in endosperm
  4. Medulla absent in root

Answer: 4. Medulla absent in root

Question 327. The condition found in the roots of a plant having assimilatory submerged roots and spongy petioles

  1. Tetrarch
  2. Triarch
  3. Monarch
  4. Mature stem

Answer: 3. Monarch

Question 328. The cuticle is absent in

Mesophytes

Young roots

Leaves

Mature stem

Answer: 2. Young roots

Question 329. In an annual ring, the light-colored part is

  1. Heartwood
  2. Sapwood
  3. Early wood
  4. Latewood

Answer: 3. Earlywood

Question 330. What is true about heartwood?

  1. It does not help in water conduction.
  2. It is also called alburnum.
  3. It is dark in color but is very soft.
  4. It has tracheary elements which are filled with tannins, resins, etc.
  1. 2, 3, 4
  2. 1, 2, 3
  3. 2, 4
  4. 1, 4

Answer: 4. 1, 4

Question 331. Pith parenchyma generally lacks

  1. Vacuole
  2. Chloroplasts
  3. Mitochondria
  4. Nucleus

Answer: 2. Chloroplasts

Question 332. Tctrarch bundles occur in the

  1. Leaf of Ciccr arietinum
  2. Leaf of Pisum sativum
  3. The root of Ciccr arietinwn
  4. Root of Zcamays

Answer: 3. Root of Ciccr arietinwn

Question 333. Which is not part of periderm?

  1. Phellogen
  2. Cork
  3. Secondary cortex
  4. Wood

Answer: 4. Wood

Question 334. Lenticels arc patches of

  1. Loose cells in leaves
  2. Loose cells on bark for aeration
  3. Subsidiary cells of stomata
  4. Cells for respiration of epiphytes

Answer: 2. Loose cells on bark for aeration

Question 335. Conjoint and closed vascular bundles with no phloem parenchyma are observed in

  1. Monocot stem
  2. Dicot stem
  3. Monocot root
  4. Dicot root

Answer: 1. Monocot stem

Question 336. Match the column and choose the correct combination

NEET Biology Anatomy Of Flowering Plants Match The Column Question 336

  1. (1) → (D), (2) → (E), (3) → (B), (4) → (A), (5) → (C)
  2. (1) → (E), (2) → (C), (3) → (A), (4) → (B), (5) → (D)
  3. (1) → (B), (2) → (E), (3) → (C), (4) → (D), (5) → (A)
  4. (1) → (D), (2) → (E), (3) → (A), (4) → (B), (5) → (C)
  5. (1) → (D), (2) → (B), (3) → (E), (4) → (C), (5) → (A)

Answer: 4. (1) → (D), (2) → (B), (3) → (E), (4) → (C), (5) → (A)

Question 337. In barley stem, vascular bundles are

  1. Open and scattered
  2. Closed and scattered
  3. Closed and radial
  4. Open and in a ring

Answer: 2. Closed and scattered

Question 338. Palisade parenchyma is absent in the leaves of

  1. Gram
  2. Soyabean
  3. Sorghum
  4. Mustard

Answer: 3. Sorghum

Question 339. Anatomically, a fairly old dicotyledonous root is distinguished from dicotyledonous stem by the

  1. Position of protoxylem
  2. Absence of secondary xylem
  3. Absence of secondary phloem
  4. Presence of cortex

Answer: 1. Position of protoxylem

Question 340. Arrange the following in the order of their location from periphery to center in the entire dicotyledonous plant body.

  1. Fusiform cells
  2. Trichoblasts
  3. Collocytes
  4. Tylosis
  1. 2, 3, 1, 4
  2. 1, 2, 3, 4
  3. 4, 1, 2, 3
  4. 3, 2, 1, 2

Answer: 1. 2, 3, 1, 4

Question 341. The vascular bundle of monocot is

  1. Scattered
  2. Closed
  3. Endarch
  4. All the above

Answer: 4. All the above

Question 342. The structure absent in monocot is

  1. Sieve tubes
  2. Pith
  3. Cambium
  4. Vessels

Answer: 3. Cambium

Question 343. Which of the following is not correct?

  1. Early wood is characterized by a large number of xylary elements.
  2. Latewood is characterized by a large number of xylary elements.
  3. Early wood is characterized by vessels with narrower cavities.
  4. Latewood is characterized by vessels with narrower cavities.

Answer: 2. Latewood is characterized by a large number of xylary elements.

Question 344. Medullary rays are made up of

  1. Fibers
  2. Tracheids
  3. Sclerencyma cells
  4. Parenchymatous cells

Answer: 4. Parenchymatous cells

Question 345. Heartwood differs from sapwood in

  1. The absence of vessels and parenchyma
  2. Having dead and non-conducting elements
  3. Being susceptible to pests and pathogens
  4. The presence of rays and fibers

Answer: 2. Having dead and non-conducting elements

Question 346. Ground tissue includes

  1. All tissues external to endodermis
  2. All tissues except the epidermis and vascular bundles
  3. Epidermis and cortex
  4. All tissues internal to endodermis

Answer: 2. All tissues except the epidermis and vascular bundles

Question 347. The cork cambium, cork, and secondary cortex are, collectively, called

  1. Phelloderm
  2. Phellogen
  3. Periderm
  4. Phellem

Answer: 3. Periderm

Question 348. The common bottle cork is a product of

  1. Phellogen
  2. Xylem
  3. Vascular cambium
  4. Dermatogen

Answer: 1. Phellogen

Question 349. Closed vascular bundles lack

  1. Conjunctive tissue
  2. Cambium
  3. Pith
  4. Ground tissue

Answer: 2. Cambium

Question 350. Water-containing cavities in vascular bundles are found in

  1. Maize
  2. Cycas
  3. Finns
  4. Sunflower

Answer: 1. Maize

Question 351. Companion cells are closely associated with

  1. Vessel elements
  2. Trichomes
  3. Guard cells
  4. Sieve elements

Answer: 4. Sieve elements

Question 352. As compared to a dicot root, a monocot root has

  1. More abundant secondary xylem
  2. Many xylem bundles
  3. Inconspicuous annual rings
  4. Relatively thicker periderm

Answer: 2. Relatively thicker periderm

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