WAEC Biology 2010 Theory — Question 4
Question 4 of 23 from the West African Examinations Council (WAEC) Biology 2010 Theory paper, with the correct answer and a full explanation.
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1(d) Name one appropriate hormone each responsible for the following conditions in plants: (i) ripening of fruits (ii) breaking dormancy in seeds (iii) weed control (iv) leaf fall. [4 marks]
Model answer
(i) Ripening of fruits - Ethylene. (ii) Breaking of dormancy - Gibberellins. (iii) Weed control - Auxin. (iv) Leaf fall - Abscisic acid.
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