Plant Photosynthesis and Respiration Multiple Choice Questions and Answers 5 PDF Download

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MCQ on Plant Photosynthesis and Respiration Worksheets 5 Quiz PDF Download

MCQ: Largest percentage composition in air is of

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


MCQ: At midday, leaves

  1. respiration
  2. photosynthesis
  3. mainly photosynthesis and some respiration
  4. none of them


MCQ: Number of factors that affect rate of photosynthesis are

  1. four
  2. three
  3. two
  4. five


MCQ: Products of photosynthesis are oxygen and

  1. Starch and Sucrose
  2. Glucose
  3. Starch
  4. water


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