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

Plant photosynthesis and respiration multiple choice questions (MCQs), plant photosynthesis and respiration quiz answers, test prep 1 to learn online grade 6 science for Cambridge lower secondary certificate. Photosynthesis for kids MCQs, plant photosynthesis and respiration quiz questions and answers for online elementary school courses. Learn photosynthesis for kids, photosynthesis importance, rate of photosynthesis test prep for online certifications.

Learn elementary school science MCQs: photosynthesis for kids, photosynthesis importance, rate of photosynthesis, with choices fossils, living organism, birds only, and animals for online elementary school courses. Free science study guide for online learning photosynthesis for kids quiz questions to attempt multiple choice test for virtual elementary school.

MCQs on Plant Photosynthesis and Respiration Worksheets 1 PDF Book Download

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

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

A

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

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

D

MCQ: Rate of photosynthesis decreases because enzymes are denatured at

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

B

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

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

A