Question

Respiration occurs in:

• A. All living cells, both in light and dark
• B. Non green cells, only in light
• C. Non green cells, in light and dark
• D. All living cells, in light only

Answer 1

Answer: (A)

All living cells, both in light and dark

Most eukaryotes and prokaryotes carry out aerobic respiration, in the presence of oxygen. This process is independent of light and is characteristic of all living cells. During aerobic respiration, nutrients are catabolized to carbon dioxide and water. Thus, the correct option is A.