Respiration in Biology Learning App | IGCSE O Level Biology MCQ e-Book PDF
IGCSE O Level Biology MCQs (O Level) From Textbook

IGCSE O Level Biology MCQs – Practice Test 6 (Chapter 15)

Respiration in Biology MCQ with Answers PDF Download – Test 6

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Learn Respiration in Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF to advance biology revision. Download the Respiration in Biology MCQ PDF e-Book, Ch. 15-6 to learn IGCSE O Level Biology Course. Solve GCSE Biology Multiple Choice Questions (MCQs), Respiration in Biology quiz answers PDF for science education students. Download the Respiration in Biology Learning App: Free IGCSE O Level Biology MCQ App to learn oxygen debt, what is respiration, biology practice questions, tissue respiration, gas exchange and breathing career test to gain educational advancement.

The "Respiration in Biology MCQ" App Download (Android & iOS): During oxygen (O2) debt, the lactic acid (C3H6O3) is removed from; MCQ with answers: muscles, liver, lungs, and mucus. Practice Biology Practice Test Quiz Questions, download Apple Book (Free Chapter) to advance biology revision.

Respiration in Biology MCQ with Answers PDF Download: Quiz 6

MCQ 26: More carbon dioxide (CO2) can be removed from the body if:

  1. more water is removed from the body
  2. animal has a thick skin
  3. thinly lined lungs or gills are present
  4. more water is present

MCQ 27: During oxygen (O2) debt, the lactic acid (C3H6O3) is removed from:

  1. liver
  2. muscles
  3. lungs
  4. mucus

MCQ 28: In anaerobic respiration (without O2) in mammals, the wastes are:

  1. water
  2. ethanol
  3. lactic acid
  4. carbon dioxide

MCQ 29: Cork exchanges air through:

  1. pleurons
  2. placenticles
  3. tentacles
  4. lenticels

MCQ 30: Tissue respiration is also referred as:

  1. internal respiration
  2. external respiration
  3. gaseous exchange
  4. breathing

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