Which hormone is primarily involved in regulating stomatal closure?
Correct Answer: Abscisic acid
- Step 1: Understand what stomata are. Stomata are tiny openings on the surface of leaves that allow gas exchange.
- Step 2: Learn why stomata need to close. Stomata close to prevent water loss, especially during dry conditions.
- Step 3: Identify the hormone involved. The hormone that helps in closing the stomata is called abscisic acid.
- Step 4: Know when abscisic acid is released. It is released when the plant experiences water stress, like when the soil is dry.
- Step 5: Understand the effect of abscisic acid. When abscisic acid is present, it signals the stomata to close, reducing water loss.
No concepts available.
