Question

When is carbon dioxide produced as a waste product in plants?

• A. During respiration
• B. During both respiration and photosynthesis
• C. During photosynthesis
• D. During transpiration

Answer 1

Answer:

A. During respiration

• During the process of respiration, the plants release water and carbon dioxide as waste products.

• Water is lost in the form of transpiration and guttation.

• At night plants release carbon dioxide and uptake oxygen.