Plant Photosynthesis and Respiration Multiple Choice Questions and Answers 4 PDF Download

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MCQs on Plant Photosynthesis and Respiration Worksheets 4 Quiz PDF Download

MCQ: Photosynthesis decreases concentration of carbon dioxide in air and other harmful wastes, this increases purification of respiratory disease for

  1. none of them
  2. living beings
  3. only plants
  4. only animals

B

MCQ: Which of these is true about photosynthesis?

  1. It occurs in both animal and plants
  2. It occurs in both fungi and plants
  3. it is a breaking down process
  4. it is building up process

D

MCQ: Guard cells flanking stomata control oxygen and carbon dioxide entering leaf by opening and closing

  1. veins
  2. leaf pores
  3. stoma
  4. palisade

B

MCQ: Process of photosynthesis takes place in the

  1. Starch and Sucrose
  2. Glucose and oxygen
  3. chloroplast
  4. system

C

MCQ: Color of pigment in chloroplast is

  1. green
  2. black
  3. yellow
  4. red

A