Question

Scotoactive movement of stomata is that

• A. Stomata open at night
• B. Stomata open during day
• C. Stomata close at night
• D. Stomata open both during day and night

Answer 1

The correct option is A Stomata open at night

When stomata closes during the day and open during the night, such type of stomata is called scotoactive type of stomata. When stomata open in the day and close during the night, this type of opening of stomata is called photoactive type. So, the correct answer is option A.