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.