Plant Photosynthesis and Respiration Multiple Choice Questions 5 PDF Download

Learn plant photosynthesis and respiration MCQs, grade 6 online science test 5, what is respiration multiple choice questions and answers. What is respiration revision test has science worksheets, helping answer key with choices as oxygen, argon, nitrogen and carbon dioxide of multiple choice questions (MCQ) with what is respiration quiz as the largest percentage composition in air is of for competitive exam prep, viva interview questions. Free science study guide to practice what is respiration quiz to attempt multiple choice questions based test.

MCQs on Plant Photosynthesis and Respiration Quiz PDF Download Worksheets 5

MCQ. The largest percentage composition in air is of

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


MCQ. At midday, the leaves

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


MCQ. The number of factors that affect the rate of photosynthesis are

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


MCQ. The products of photosynthesis are oxygen and

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


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