NEET Biology Multiple Choice Questions – Reproduction In Organisms

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NEET Biology Multiple Choice Questions – Reproduction In Organisms

Question 1. Which of the following is not an artificial method of vegetative reproduction?

  1. Cutting
  2. Grafting
  3. Layering
  4. Bulbils

Answer. 4. Bulbils

Question 2. The plant propagated through roots is

  1. Sweet potato
  2. Asparagus
  3. Dahlia
  4. All of these

Answer. 4. All of these

Question 3. In grafting, scion belongs to

  1. Plant having superior or desirable characters
  2. Plant having well-developed root system
  3. Plant resistant to diseases
  4. Both (2) and (3)

Answer. 2. Plant having well-developed root system

Question 4. Gootee (air layering) is common in

  1. Bryophyllum
  2. Lemon
  3. Eichhornia
  4. Tapioca

Answer. 2. Lemon

Question 5. Stem cuttings are commonly used in the propagation of

  1. Mango
  2. Cotton
  3. Rose
  4. Banana

Answer. 3. Rose

Question 6. Ginger is multiplied vegetatively by means of

  1. Bud
  2. Tuber
  3. Corm
  4. Rhizome

Answer. 4. Rhizome

Question 7. The piece of plant part used in tissue culture is called

  1. Explant
  2. Inoculant
  3. Somaclone
  4. Clone

Answer. 1. Explant

Question 8. Secondary nucleus present in the middle of embryo sac is

  1. Tetraploid
  2. Triploid
  3. Diploid
  4. ??

Answer. 3. Diploid

Question 9. In angiosperms, syngamy is required for

  1. Endosperm
  2. Embryo
  3. Fruit wall
  4. Suspensor

Answer. 2. Embryo

Question 10. A piece of potato tuber will form a new plant if it possesses

  1. Roots
  2. Eyes
  3. Stored food
  4. Branches

Answer. 2. Eyes

Question 11. Layering is used in the vegetative propagation of

  1. Jasmine
  2. Rose
  3. Mango
  4. All the above

Answer. 1. Jasmine

Question 12. Which is not involved in embryogenesis?

  1. Cell multiplication
  2. Cell differentiation
  3. Equational division
  4. Reduction division

Answer. 4. Reduction division

Question 13. A method in which roots are induced on the stem branch, while it is still attached to the parent plant, is called

  1. Cutting
  2. Grafting
  3. Layering
  4. Vivipary

Answer. 4. Vivipary

Question 14. If a plant fails to develop viable seeds, it could best be grown by

  1. Cutting
  2. Grafting
  3. Layering
  4. Micropropagation

Answer. 4. Micropropagation

Question 15. The study of formation, growth, and development of a new individual from an egg is known as

  1. Cytology
  2. Embryology
  3. Histology
  4. Genetics

Answer. 2. Embryology

Question 16. A leaf cell of a flowering plant has 22 chromosomes. Then the number of chromosomes would be

  1. 11 in gametes
  2. 22 in gametes
  3. 44 in embryo
  4. 11 in a cell of stem

Answer. 1. 11 in gametes

Question 17. The tegmen of a seed develops from

  1. Perisperm
  2. Funicle
  3. Inner integument
  4. Outer integument

Answer. 3. Inner integument

Question 18. In angiosperm, the female gametophyte is the

  1. Egg apparatus
  2. Embryo
  3. Synergids
  4. Embryo sac

Answer. 4. Embryo sac

Question 19. The nucle of the sperm and the egg fuse as a result of

  1. Base pair relation of DNA and RNA
  2. Formation of hydrogen bonds
  3. Mutual attraction caused by differences in electrical charges
  4. Attraction of protoplasts of the egg and the sperm

Answer. 4. Attraction of protoplasts of the egg and the sperm

Question 20. Parthenogenesis is defined as the development of organism directly from

  1. Egg without fertilization
  2. Synergids without fertilization
  3. Fruits without fertilization
  4. Fruit without pollination

Answer. 3. Fruits without fertilization

Question 21. How many meiotic divisions are necessary for the formation of 100 grains of wheat?

  1. 100
  2. 125
  3. 25
  4. 50

Answer. 1. 100

Question 22. The most significant property of vegetative propagation is that

  1. It enables the rapid production of genetic variation.
  2. It is a means of production of genetic individuals genetically identical to the parent.
  3. It ensures that the progeny are safe from the attack of diseases and pests.
  4. It is an ancient practice.

Answer. 4. It is an ancient practice.

Question 23. The zygospore of Chlamydomonas gives rise to

  1. Zoospore
  2. Aplanospore
  3. Hypnospore
  4. Parthenospore

Answer. 1. Zoospore

Question 24. The antherozoids of Chara are

  1. Non-motile
  2. Uniflagellate
  3. Biflagellate
  4. Multiflagellate

Answer. 1. Non-motile

Question 25. Find the odd one with respect to sexuality.

  1. Papaya
  2. Date palm
  3. Tree of heaven
  4. Sago palm

Answer. 1. Papaya

Question 26. In Marchantia, the meiosis is

  1. Zygotic
  2. Gametic
  3. Both (1) and (2)
  4. Sporic

Answer. 2. Gametic

Question 27. The star-shaped bodies meant for the vegetative reproduction of Chara are rich in

  1. Starch
  2. Lipids
  3. Proteins
  4. Mannitol

Answer. 1. Starch

Question 28. The nucule of Chara is capped by

  1. Nodal cells
  2. Internodal cells
  3. Tube cells
  4. Coronary cells

Answer. 4. Coronary cells

Question 29. External fertilization is not observed in

  1. Yeast
  2. Spirogyra
  3. Chlamydomonas
  4. Ulothrix

Answer. 2. Spirogyra

Question 30. The conidia of Penicillium are

  1. Thick walled, uninucleate
  2. Thin walled, uni- or multinucleate
  3. Thick walled, multinucleate
  4. Thin or thick walled, multinucleate

Answer. 4. Thin or thick walled, multinucleate

Question 31. The sequence of structures in a penicillus of Penicillium digitatum shall be

  1. Conidiophore → Rami → Phialides → Metulae → Conidia
  2. Conidiophore → Rami → Metulae → Phialides → Conidia
  3. Ramus → Conidiophore → Metulae → Phialides → Conidia
  4. Metulae → Rami → Conidiophore → Phialides → Conidia

Answer. 2. Conidiophore → Rami → Metulae → Phialides → Conidia

Question 32. The type of gamete found in FLICLIS is

  1. Isogamete
  2. Coenogamete
  3. Heterogamete
  4. Multicellular gamete

Answer. 3. Heterogamete

Question 33. In bryophytes, the diploid number of chromosomes occurs in

  1. Gametes
  2. Spores
  3. Nuclei of gametophyte
  4. Spore mother cells

Answer. 4. Spore mother cells

Question 34. Gametophytic generation is dominant in

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

Answer. 4. Bryophytes

Question 35. Riccia fluitans multiplies vegetatively by

  1. Rhizoids
  2. Tubers
  3. Adventitious branches
  4. Gemmae

Answer. 3. Adventitious branches

Question 36. The number of thallus formed by a gemma of Marchantia upon successful germination is

  1. One only
  2. Two only
  3. Four only
  4. Several

Answer. 2. Two only

Question 37. During regeneration, modification of an organ to other organ is known as:

  1. Morphogenesis
  2. Epimorphosis
  3. Morphallaxis
  4. Accretionary growth

Answer. 2. Epimorphosis

Question 38. What is true for cleavage?

  1. Size of embryo increase
  2. Size of cells decrease
  3. Size of cells increase
  4. Size of embryo decrease

Answer. 2. Size of cells decrease

Question 39. Vegetative propagation in mint occurs by:

  1. Sucker
  2. Runner
  3. Offset
  4. Rhizome

Answer. 1. Sucker

Question 40. The “Eyes” of the potato tuber are:

  1. axillary buds
  2. root buds
  3. flower buds
  4. shoot buds

Answer. 1. axillary buds

Question 41. Which one of the following is correctly matched?

  1. Chlamydomonas – Conidia
  2. Yeast – Zoospores
  3. Onion – Bulb
  4. Ginger – Sucker

Answer. 3. Onion – Bulb

Question 42. Meiosis takes place in:

  1. Meiocyte
  2. Conidia
  3. Gemmule
  4. Megaspore

Answer. 1. Meiocyte

Question 43. Monoecious plant of Chara shows occurrence of:

  1. Antheridiophore and archegoniophore on the same plant
  2. Stamen and carpel on the same plant
  3. Upper antheridium and lower oogonium on the same plant
  4. Upper oogonium and lower antheridium on the same plant

Answer. 4. Upper oogonium and lower antheridium on the same plant

Question 44. Select the wrong statement:

  1. Isogametes are similar in structure, function and behavior
  2. Anisogametes differ either in structure, function of behaviour
  3. In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
  4. Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy

Answer. In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile

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