Photosynthesis Importance MCQs Quiz Worksheet PDF Download

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

Study elementary school courses, online science degree programs MCQs: photosynthesis increases concentration of oxygen in air, which is necessary for all, for online courses with choices living organism, fossils, birds only, and animals for online distance education for virtual schools, private schools and public schools students. Free science student portal for online learning photosynthesis importance quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Photosynthesis Importance Quiz PDF Download

MCQ: Photosynthesis increases concentration of oxygen in air, which is necessary for all

  1. living organism
  2. fossils
  3. birds only
  4. animals

A

MCQ: Glucose and oxygen combine to form carbon dioxide and water plus

  1. oxygen
  2. energy
  3. neon
  4. nitrous oxide

B

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: Plant products like timber, rubber, herbs, medicines resin and oils are derived from

  1. respiration
  2. photosynthesis
  3. processing
  4. transpiration

B

MCQ: All animals need oxygen and most of this oxygen comes from

  1. roots
  2. plants
  3. stem
  4. pollen grain

B