Chapter No 16 :Support and movement (293 MCQ`S)

  1. Increase in the length of plants is
    1. primary growth
    2. Secondary growth
    3. elongation
    4. lateral growth
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  2. Increase in plant girth or on.the lateral sides of root and shoot is known as
    1. primary growth
    2. Secondary growth
    3. elongation
    4. lateral growth
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  3. Secondary gwoth occurs due to cell division in
    1. vascular cambium
    2. cork cambium
    3. apical meristem
    4. both a and b
    5. Show Answer
      Answer: D
      Explanation:
      • N/A
  4. Cylinders of actively dividing cells in primary xylem and primary phloem
    1. cork cambium
    2. vascular cambium
    3. apical meristem
    4. intercalary meristems
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  5. Secondary xylem and secondary phloem is developed by
    1. cork cambium
    2. vascular cambium
    3. apical meristem
    4. intercalary meristems
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. Heartwood is formed in
    1. outer part of secondary xylem
    2. inner part of secondary xylem
    3. companion cells
    4. seiev tube cells
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. The active conduction part of older trees is known as
    1. heart wood
    2. sap wood
    3. cortex
    4. seive tube
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. Resistance to decay and insect attack in some plants is usually provided by
    1. heart wood
    2. sap wood
    3. cortex
    4. epidermis
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. Callus in plants develops by
    1. cork cambium
    2. vascular cambium
    3. collenchyma tissue
    4. sclerenchyma tissue
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  10. Plant movements due to internal causes are termed as
    1. autonomic movement
    2. paratonic movement
    3. nastic movement
    4. tropic movement
    5. Show Answer
      Answer: A
      Explanation:
      • N/A

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