Question

Which of the following statements is/are true regarding respiration?

• A. It occurs at the cellular level.
• B. It is a controlled action.
• C. In respiration, the interaction with the environment does not take place.
• D. It is a chemical process.

Answer 1

Answer: (A), (C), (D)

The correct options are
A It occurs at the cellular level.
C In respiration, the interaction with the environment does not take place.
D It is a chemical process.

Respiration is a chemical process and it occurs at the cellular level. It is an uncontrolled action. In respiration, the interaction with the environment does not take place.