What is Respiration MCQs Quiz Worksheet PDF Download

Practice what is respiration MCQs in science quiz for online learning test. Plant photosynthesis and respiration quiz questions has multiple choice questions (MCQ), what is respiration test to practice as the waste products of process of respiration are. Answer key help with choices as oxygen + co2, carbon dioxide & water, food + oxygen and none of them problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice what is respiration quiz with MCQs to find questions answers based online learning tests.

MCQs on What is Respiration Quiz PDF Download

MCQ. The waste products of the process of respiration are

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


MCQ. The largest percentage composition in air is of

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


MCQ. The 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


MCQ. The act of breaking of food substances in order to release energy is known as

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


MCQ. Photosynthesis reduces the concentration of

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