Multiple choice

Which of the following statements is/are correct?

a. All the gaseous exchange takes place in leaves through stomata for the purpose of photosynthesis. b. The plant closes the stomata when it does not need carbon dioxide for photosynthesis as large amount of oxygen is lost through them. c. The opening and closing of stomatal pore is a function of guard cells.

  1. only a

  2. only b

  3. only c

  4. a and b

  5. a, b and c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. The opening and closing of stomatal pore is a function of guard cells.

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