Question

What are the functions of stomata in plants?

• A. Absorbing carbon dioxide from the atmosphere
• B. Giving out oxygen into the atmosphere
• C. Transpiration of excess water
• D. All of these

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Absorbing carbon dioxide from the atmosphere

B

Giving out oxygen into the atmosphere

C

Transpiration of excess water

Stomata have the capability of taking in carbon dioxide and giving out oxygen. Stomata also release water vapors and thus cause transpiration. They create a suction pull by transpiration that helps in transport of water upwards through the xylem.