What is Respiration MCQs Quiz Worksheet PDF Download

Learn what is respiration MCQs, science online test for elementary school exam prep for distance learning degree, free online courses. Practice plant photosynthesis and respiration multiple choice questions (MCQs), what is respiration quiz questions and answers for 6th grade science exam.

Study elementary school courses, online science degree programs MCQs: waste products of process of respiration are, for online courses with choices oxygen + co2, carbon dioxide & water, food + oxygen, and none of them with online trivia questions from science notes and science projects to prepare for final exams. Free science student portal for online learning what is respiration quiz questions, MCQs to find questions answers based online learning tests.

MCQs 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


MCQ: Largest percentage composition in air is of

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


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


MCQ: 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 concentration of

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