Plant Photosynthesis and Respiration Multiple Choice Questions 4 PDF Download

Learn plant photosynthesis and respiration MCQs, grade 6 online science test 4, photosynthesis importance multiple choice questions and answers. Photosynthesis importance revision test has science worksheets, helping answer key with choices as living beings, none of them, only plants and only animals of multiple choice questions (MCQ) with photosynthesis importance quiz as photosynthesis decreases concentration of carbon dioxide in air and other harmful wastes, this increases purification of respiratory disease for for competitive exam prep, viva interview questions. Free science study guide to practice photosynthesis importance quiz to attempt multiple choice questions based test.

MCQs on Plant Photosynthesis and Respiration Quiz PDF Download Worksheets 4

MCQ. Photosynthesis decreases the concentration of carbon dioxide in air and other harmful wastes, this increases the 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. The guard cells flanking stomata control the oxygen and carbon dioxide entering the leaf by opening and closing the

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

B

MCQ. The process of photosynthesis takes place in the

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

C

MCQ. The color of the pigment in chloroplast is

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

A