Biology

Breathing and Exchange of Gases

53 questions from 29 papers, each with its answer.

  • 53 questions
  • 29 papers
  • 1.5% of Biology
Showing Remove filter: 2026 3 of 53 questions

Respiratory Volumes and Capacities

1 question
  1. 1 2026 Medium
    Match List I with List II:

    Pick the matching item from Column II for each row.

    Column I

    • i. ERV (Expiratory Reserve Volume)
    • ii. RV (Residual Volume)
    • iii. IRV (Inspiratory Reserve Volume)
    • iv. TV (Tidal Volume)

    Column II

    • a. 2500 - 3000 mL
    • b. 500 mL
    • c. 1000 - 1100 mL
    • d. 1100 - 1200 mL

Steps of respiration

1 question
  1. 2 2026 Medium
    In humans, respiration occurs in the following steps. Arrange these steps in the correct order. I. Diffusion of $O_2$ and $CO_2$ between blood and tissues II. Diffusion of $O_2$ and $CO_2$ across alveolar membrane III. Pulmonary ventilation by which atmospheric air is drawn in and $CO_2$ rich alveolar air is released out IV. Cellular respiration V. Transport of gases by the blood Choose the CORRECT answer from the options given below:

Respiratory organs across animal groups

1 question
  1. 3 2026 Medium
    Match List I with List II

    Pick the matching item from Column II for each row.

    Column I

    • i. Molluscs
    • ii. Reptiles
    • iii. Adult amphibians
    • iv. $Amoeba$

    Column II

    • a. Pulmonary respiration only
    • b. Branchial respiration
    • c. Cellular respiration
    • d. Pulmonary and Cutaneous respiration

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