Which hormone is involved in the regulation of stomatal closure during water str

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Question: Which hormone is involved in the regulation of stomatal closure during water stress? (2023)

Options:

Correct Answer: Abscisic acid

Exam Year: 2023

Solution:

Abscisic acid is involved in the regulation of stomatal closure during water stress to prevent water loss.

Which hormone is involved in the regulation of stomatal closure during water stress? (2023)

Which hormone is involved in the regulation of stomatal closure during water stress? (2023)

Step 1: Understand what stomata are. Stomata are tiny openings on the surface of leaves that allow gas exchange.
Step 2: Learn about water stress. Water stress occurs when plants do not have enough water.
Step 3: Know the role of hormones in plants. Hormones are chemicals that help regulate various functions in plants.
Step 4: Identify the hormone involved in water stress. The hormone abscisic acid (ABA) is produced when a plant experiences water stress.
Step 5: Understand how abscisic acid works. Abscisic acid signals the stomata to close, which helps reduce water loss from the plant.
Step 6: Conclude that abscisic acid is the hormone that regulates stomatal closure during water stress.

No concepts available.