Plant Photosynthesis and Respiration Multiple Choice Questions and Answers 1 PDF Download

Plant photosynthesis and respiration multiple choice questions, learn grade 6 science online test prep 1 for elementary school online courses, distance learning for exam prep. Practice photosynthesis for kids multiple choice questions (MCQs), plant photosynthesis and respiration quiz questions and answers for science class for grade 6 science contest questions.

Study elementary school science multiple choice questions (MCQs): light is absorbed by some substances, these substances are known as, for free online courses with choices surface, pigment, vein, and salk, photosynthesis for kids quiz with online teaching resources for teachers on net tutoring with science practice. Free science study guide for online learning photosynthesis for kids quiz questions to attempt multiple choice questions based test.

MCQs on Plant Photosynthesis and Respiration Worksheets 1 Quiz PDF Download

MCQ: Light is absorbed by some substances, these substances are known as

  1. pigment
  2. surface
  3. vein
  4. Salk


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

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


MCQ: Chloroplast splits water molecules to release oxygen and add hydrogen to carbon atoms for formation of

  1. Glucose
  2. Starch
  3. water
  4. sugar


MCQ: Rate of photosynthesis decreases because enzymes are denatured at

  1. lower temperature
  2. higher temperature
  3. zero temperature
  4. none of them


MCQ: Tissues present in leaf, under upper epidermis and above lower epidermis are known as

  1. mesophyll
  2. stoma
  3. stalk
  4. vein