Multiple choice

Which of the following statements is/are correct?

a. Stomatal pores close when water flows into the guard cells and they swell. b. The oxygen gas produced during photosynthesis goes out through the stomatal pores of the leaves. c. The stomatal pores of plants close when they want to conserve water and do not need carbon dioxide.

  1. a only

  2. b only

  3. c only

  4. b and c

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

This is the correct answer as both the statements are correct.

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