UP Board Class 9 Science Chapter 6 Tissues Multiple Choice Questions

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Tissues Multiple Choice Questions

Question 1. At maturity, the sieve plates become impregnated with

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

Answer: 1. Callose

Sieve plates are formed by two adjoining end walls of neighboring sieve elements of the sieve tube of phloem. At maturity, they become impregnated with a callose pad, which may be seasonal callose (for only a limited unfavorable period) or definitive (formed permanently in functionless old sieve tubes).

Question 2. Which of the following is not a part of this? epidermal tissue system?

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

Answer: 1. Companion cells

Companion cells are characteristic elements of phloem tissue associated with the sieve tubes in the angiosperms. Thus, they are the part of vascular tissue system. They are absent in pteridophytes and gymnosperms. Guard cells and subsidiary cells are associated with stomata, found on the surface of the epidermal tissue system.

Question 3. A keratinized dead layer of skin is made of

  1. Stratified columnar epithelium
  2. Simple cuboidal epithelium
  3. Stratified squamous epithelium
  4. Simple columnar epithelium

Answer: 3. Stratified squamous epithelium

Stratified squamous epithelium is seen in the adult human body. It may be keratinized or non-keratinized. In keratinized stratified squamous epithelium, the outer few layers contain a hard waterproof protein in their cytoplasm, called keratin. It is found on the epidermis of skin, hair, and nails.

Question 4. Connective tissue is

  1. Ectodermal in origin with intercellular spaces
  2. Ectodermal in origin without intercellular spaces
  3. Mesodermal in origin without intercellular spaces
  4. Mesodermal in origin with intercellular spaces

Answer: 4. Mesodermal in origin with intercellular spaces

Connective tissue is mesodermal in origin with intercellular spaces, connective tissue cells, and fibers. The major functions of the connective tissue are binding, support, protection, transport, insulation, fat storage, and body defense.

Question 5. The striated appearance of a myofibril is due to the distribution pattern of

  1. Meromyosin
  2. Actin and myosin
  3. Sarcoplasmic reticulum
  4. Troponin and fascicles

Answer: 2. Actin and myosin

The striated appearance of a myofibril is due to the distribution pattern of both actin and myosin proteins, which are arranged as a rod-like structure, parallel to each other and also to a longitudinal axis of myofibrils. A myofibril has an alternative dark and light band. The dark band contains myosin, while the light band contains actin.

UP Board Class 9 Science Chapter 6 Tissues MUltiple Choice Questions

Question 6. Simple mechanical tissue devoid of lignin is

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

Answer: 3. Collenchyma

Collenchyma is a specialized supporting or simple mechanical permanent tissue of living cells possessing characteristically unevenly distributed thickenings of cellulose, pectin, and hemicellulose. Lignin is found in the cell walls of sclerenchyma.

Question 7. The type of tissue lining of the nasal passage, bronchioles, and Fallopian tubes is

  1. Cuboidal epithelium
  2. Columnar ciliated epithelium
  3. Stratified squamous epithelium
  4. Simple squamous epithelium

Answer: 2. Columnar ciliated epithelium

  • Ciliated columnar epithelium comprises columnar cells, which have cilia on the free surface.
  • This epithelium lines most of the respiratory tract and Fallopian tubes (oviducts). It also lines the ventricles of the brain and the central canal of the spinal cord.

Question 8. Healing of wounds is done in plants by the activity of

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

Answer: 1. Lateral meristem

Lateral meristems are present along the side of the organs, for example., vascular cambium in the plants. It is responsible for healing wounds of plants by its meristemic activity.

Question 9. The tissue whose cells are thin-walled and living, more or less isodiametric, and have intercellular spaces, is known as

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

Answer: 3. Parenchyma

Parenchymatous cells are isodiametric, spherical, oval, or polygonal with intercellular space or may be closely packed. They are living cells with thin cellulosic cell walls. Their main function is to store food and water. They are found in most of the plant body.

Question 10. Choose the correctly matched pair.

  1. The inner lining of salivary ducts- Ciliated epithelium
  2. Moist surface of buccal cavity- Glandular epithelium
  3. Tubular parts of nephrons- Cuboidal epithelium
  4. The inner surface of bronchioles- Squamous epithelium

Answer: 3. Tubular parts of nephrons- Cuboidal epithelium

  • Cuboidal epithelium is present in the tubular parts of the nephron. It consists of short, cube-shaped cells with round nuclei located in the centre of cell. These cells often form microvilli to increase the absorptive surface area of a cell.
  • Others are incorrectly matched pairs as, the moist surface of the buccal cavity and inner lining of the salivary duct is lined by compound epithelium, while the inner surface of bronchioles is lined by ciliated epithelium.

Question 11. Aerenchyma provides

  1. Mechanical strength of plants
  2. Extra space for photosynthesis and storage of food
  3. Flexibility to plants
  4. Buoyancy to hydrophytic plants

Answer: 4. Buoyancy to hydrophytic plants

Aerenchyma is a special tissue found in hydrophytes (for example., Hydrilla, Potamogeton, etc.) and some land plants (for example., petiole of banana, Canna), formed by parenchyma cells. They make a network by leaving wide air spaces (air cavities) for the gaseous exchange and make the aquatic plants light and buoyant so that they can easily afloat.

Question 12. Axons and dendrites are special features of

  1. Cardiac muscle
  2. Cartilage
  3. Specialized epithelium
  4. Neuron

Answer: 4. Neuron

Axons and dendrites are parts of neurons or nerve cells. In a neuron, dendrites may be one to several, but an axon is always one. They help in the conduction of impulses.

Question 13. A group of cells similar in structure, function, and origin is known as

  1. Organ
  2. Organ system
  3. Tissue
  4. Organism

Answer: 3. Tissue

Question 14. The tissue responsible for an increase in the girth of the stem is

  1. Lateral cambium
  2. Apical meristem
  3. Intercalary meristem
  4. None of these

Answer: 1. Lateral cambium

Question 15. Which of the following are living cells?

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

Answer: 4. Collenchyma

Question 16. Aerenchyma tissue is found in

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

Answer: 2. Hydrophytes

Question 17. Which of the following is an example of permanent tissue?

  1. Apical meristem
  2. Parenchyma
  3. Xylem
  4. Both (2) and (3)

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

Question 18. Simple squamous epithelium is found in

  1. Liver
  2. Fallopian tube
  3. Lungs
  4. Stomach

Answer: 3. Lungs

Question 19. Blood devoid of blood cells is called as

  1. Serum
  2. Plasma
  3. Lymph
  4. None of these

Answer: 2. Plasma

Question 20. The tissues, which join muscles to the bones are called as

  1. Ligament
  2. Tendons
  3. Cartilage
  4. Adipose tissue

Answer: 2. Tendons

Question 22. Name the type of tissue found in the iris of the eye, walls of the alimentary canal, etc.

  1. Cardiac muscle
  2. Smooth muscle
  3. Involuntary muscle
  4. Both (2) and (3)

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

Question 22. The gap between two nerve cells is known as

  1. Node of Ranvier
  2. Synapse
  3. Matrix
  4. None of these

Answer: 2. Synapse

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