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JAMB and WAEC Biology questions: Growth

45 questions with answers and explanations. Tap an option to check yourself.

AllJAMBWAEC
All topicsCell structure and organisation · 56Cellular activities · 56Co-ordination and control · 58Ecology · 71Evolution · 45Excretion · 52Growth · 45Heredity and variation · 60Nutrition · 64Reproduction · 62Respiration · 55Support and movement · 50Transport · 57Variety of organisms · 60

  1. Question 21· Growth· WAEC

    Which conditions are needed for a seed to germinate?

    Explanation and discussion

  2. Question 22· Growth· JAMB

    In humans, growth hormone is produced by the

    Explanation and discussion

  3. Question 23· Growth· JAMB

    During germination, the radicle develops into the

    Explanation and discussion

  4. Question 24· Growth· WAEC

    The stage in the life cycle of a mosquito that lives in water and breathes through a siphon is the

    Explanation and discussion

  5. Question 25· Growth· WAEC

    The plant hormone that promotes cell elongation is

    Explanation and discussion

  6. Question 26· Growth· JAMB

    An insect such as the cockroach, which develops through egg, nymph and adult stages, shows

    Explanation and discussion

  7. Question 27· Growth· WAEC

    The region of a plant root where cells divide actively is the

    Explanation and discussion

  8. Question 28· Growth· JAMB

    Growth in animals can be measured by changes in

    Explanation and discussion

  9. Question 29· Growth· WAEC

    The plant hormone responsible for the bending of shoots towards light is

    Explanation and discussion

  10. Question 30· Growth· WAEC

    The hormone that controls growth in human beings is produced by the

    Explanation and discussion

  11. Question 31· Growth· WAEC

    The part of a germinating bean seed that grows down to form the root is the

    Explanation and discussion

  12. Question 32· Growth· WAEC

    In hypogeal germination, the cotyledons

    Explanation and discussion

  13. Question 33· Growth· JAMB

    Moulting and metamorphosis in insects are controlled by

    Explanation and discussion

  15. Question 35· Growth· JAMB

    In a root, the region of most active cell division is the

    Explanation and discussion

  16. Question 36· Growth· JAMB

    Gibberellins promote

    Explanation and discussion

  17. Question 37· Growth· JAMB

    In plants, new cells are produced mainly in regions called

    Explanation and discussion

  18. Question 38· Growth· WAEC

    Secondary thickening in dicot stems is due to the activity of the

    Explanation and discussion

  19. Question 39· Growth· WAEC

    The plant hormone responsible for shoot bending towards light is

    Explanation and discussion

  20. Question 40· Growth· JAMB

    The hormone that promotes cell elongation in plant shoots is:

    Explanation and discussion

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