Multiple choice

Which of the following is/are the characteristics of respiration?

a. Energy is produced. b. Food is used up. c. Exchange of gases occur.

  1. only a

  2. only a and b

  3. only b

  4. only b and c

  5. a, b and c

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. During the process of respiration, energy is produced, food is used up and exchange of gases occur.