O Level Courses

Chapter 15: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 15

Respiration in Biology Multiple Choice Questions (MCQs) PDF Download - 1

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Respiration in Biology Questions and Answers PDF Download: MCQ Quiz 1

MCQ 1:

Wastes of aerobic respiration (with O2) includes

  1. carbon dioxide
  2. lactic acid
  3. ethanol
  4. energy
MCQ 2:

Air pressure in thorax increases in

  1. anaerobic respiration
  2. inspiration
  3. expiration
  4. digestion
MCQ 3:

Front of the ribs are attached to the

  1. diaphragm
  2. sternum
  3. external intercostal muscles
  4. internal intercostal muscles
MCQ 4:

Air inhaled in addition to the tidal air is called

  1. complemental air
  2. residual air
  3. supplemental air
  4. saturated air
MCQ 5:

Dry mass is lost through

  1. lenticels
  2. respiration
  3. stomata
  4. limiting factor of enzymes

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Respiration in Biology App (Android & iOS)

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O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

College Biology App (Android & iOS)

College Biology App (Android & iOS)

Cell Biology App (Android & iOS)

Cell Biology App (iOS & Android)