By signing in you confirm you are 18 or older, or have your parent’s or guardian’s consent.

NDA 2 2025 GAT, question 134

Topic: Biology

Q134

The amount of air breathed in and out during a normal respiration by human lungs is referred to as

  1. (a) Vital capacity
  2. (b) Tidal volumeCorrect answer
  3. (c) Inspiratory volume
  4. (d) Total lung capacity

Solution.

Answer: (b) Tidal volume

  1. Tidal volume is the air inspired or expired in one ordinary resting breath.
  2. Vital capacity is the maximum volume exhaled after a maximal inspiration; total lung capacity also includes residual air.