GCSE Photosynthesis

10 Questions

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GCSE Photosynthesis

Ideal for Additional AQA students studying Biology.


Questions and Answers
  • 1. 
    Where is the leaf does most photosynthesis take place?
    • A. 

      Spongy Mesophyll Layer

    • B. 

      Palisade Layer

    • C. 

      Waxy Cuticle

    • D. 

      Lower Epidermis

    • E. 

      Stomata

  • 2. 
    What carries water up through a plant?
    • A. 

      Phloem Tubes

    • B. 

      Arteries

    • C. 

      Stomata

    • D. 

      Xylem Vessels

    • E. 

      Transpiration

  • 3. 
    What are the two products of photosynthesis?
    • A. 

      Water and glucose

    • B. 

      Carbon dioxide and glucose

    • C. 

      Carbon dioxide and water

    • D. 

      Water and oxygen

    • E. 

      Glucose and oxygen

  • 4. 
    • A. 

      Oxygen levels

    • B. 

      Carbon Dioxide levels

    • C. 

      Chlorophyll concentration

    • D. 

      Light Intensity

    • E. 

      Temperature

  • 5. 
    Which mineral ions is important in the manufacture of chlorophyll?
    • A. 

      Nitrate

    • B. 

      Nitrogen

    • C. 

      Phosphate

    • D. 

      Potassium

    • E. 

      Magnesium

  • 6. 
    Which of the following is not correct?
    • A. 

      Xylem vessels are made of dead cells.

    • B. 

      Phloem tubes transport sugars throughout the plant.

    • C. 

      Photosynthesis is controlled by enzymes.

    • D. 

      Stomata allow carbon dioxide to enter the leaf.

    • E. 

      Glucose is stored as glycogen by a plant.

  • 7. 
    • A. 

      Glucose

    • B. 

      Sucrose

    • C. 

      Starch

    • D. 

      Cellulose

    • E. 

      Protein

  • 8. 
    What is the approximate concentration of carbon dioxide in the atmosphere?
    • A. 

      3%

    • B. 

      4%

    • C. 

      0.01%

    • D. 

      0.04%

    • E. 

      21%

  • 9. 
    What is a modern way of growing crops?
    • A. 

      Hypoponics

    • B. 

      Hypertonics

    • C. 

      Hydrotonics

    • D. 

      Hyperponics

    • E. 

      Hydroponics

  • 10. 
    Which is the key symptom of nitrate deficiency in a plant?
    • A. 

      Stunted growth

    • B. 

      Large leaf growth

    • C. 

      Blackening of leaves

    • D. 

      Change in flower colour

    • E. 

      Pesticide resistance