Photosynthesis Importance MCQs Quiz Worksheet PDF Download

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

Study elementary school courses, online science degree programs MCQ: photosynthesis increases concentration of oxygen in air, which is necessary for all with options 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


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

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


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


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

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


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

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