BIOLOGY
JAMB 2007 - Question 34
Biology 2007 JAMB Past Questions - Question 34: The part marked I will contain a high concentration of
Use the diagram to answer question that follows
A:
B:
C:
D:
Correct Answer
D
Explanation
D Itis a plant hormone produced at the root and shoot apices. It stimulates plantgrowth resulting "in an unequal growth of these parts.Ethylene is a hormone responsible for the ripening offruits. Ascorbic acid is a chemical named vitamin C needed for the properdevelopment of the gum covering the terth, maintaining the strength of bloodvessels and healthy growth. Abscisic acid inhibits the growth of lateral buds butpromotes leaf fall and fruit fall.
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