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PHOTOSYNTHESIS MCQs

Total Questions : 22 | Page 1 of 3 pages
Question 1. Which of the following is an example of a HETEROTROPH?
  1.    Grass
  2.    Algae
  3.    Lemon Tree
  4.    Bear
 Discuss Question
Answer: Option D. -> Bear
Question 2. What molecule absorbs sunlight for photosynthesis?
  1.    chloroplast
  2.    thylakoid
  3.    grana
  4.    chlorophyll
 Discuss Question
Answer: Option D. -> chlorophyll
Question 3. Which choice correctly shows the gases that enter and exit plants during photosynthesis?
  1.    Enter: OxygenExit: Carbon dioxide
  2.    Enter: Water vaporExit: Glucose
  3.    Enter: Carbon dioxideExit: Oxygen
  4.    Enter: LightExit: Water vapor
 Discuss Question
Answer: Option C. -> Enter: Carbon dioxideExit: Oxygen
Question 4. Which gas is removed from the atmosphere during photosynthesis?
  1.    hydrogen
  2.    oxygen
  3.    nitrogen
  4.    carbon dioxide
 Discuss Question
Answer: Option D. -> carbon dioxide
Question 5. What leaf structure prevents water loss?
  1.    spongy mesophyll
  2.    cuticle
  3.    stoma
  4.    phloem
 Discuss Question
Answer: Option B. -> cuticle
Question 6. What can change shape to open and close the stoma?
  1.    guard cells
  2.    xylem
  3.    phloem
  4.    vascular bundle
 Discuss Question
Answer: Option A. -> guard cells
Question 7. What is the name of the simple sugar that is produced in photosynthesis?
  1.    Sucrose
  2.    Dextrose
  3.    Glucose
  4.    Lactose
 Discuss Question
Answer: Option C. -> Glucose
Question 8. What does a plant release into the air?
  1.    Plants release carbon dioxide into the air.
  2.    Plants release sugar into the air.
  3.    Plants release oxygen into the air.
  4.    Plants release bacon into the air.
 Discuss Question
Answer: Option C. -> Plants release oxygen into the air.
Question 9. Leaves use the energy from the sun to change carbon dioxide and water into what?
  1.    chlorophyll
  2.    oxygen
  3.    carbon dioxide
  4.    sugar
 Discuss Question
Answer: Option D. -> sugar
Question 10. What is the waste product of photosynthesis?
  1.    Oxygen
  2.    Carbon Dioxide
  3.    Glucose
  4.    Chlorophyll
 Discuss Question
Answer: Option A. -> Oxygen

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