What is Respiration MCQs Quiz Worksheet PDF Download

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MCQ on What is Respiration Quiz PDF Download

MCQ: Waste products of process of respiration are

  1. oxygen + CO2
  2. carbon dioxide & water
  3. food + oxygen
  4. none of them

B

MCQ: Largest percentage composition in air is of

  1. argon
  2. oxygen
  3. nitrogen
  4. carbon dioxide

C

MCQ: Balance of two gases is very important for all communities, these two gases are

  1. nitrogen & oxygen
  2. carbon dioxide and oxygen
  3. argon & nitrogen
  4. none of them

B

MCQ: Act of breaking of food substances in order to release energy is known as

  1. process
  2. transpiration
  3. respiration
  4. photosynthesis

C

MCQ: Photosynthesis reduces concentration of

  1. carbon dioxide
  2. oxygen
  3. energy
  4. neon

A