BIOLOGY
JAMB 2003 - Question 29
Biology 2003 JAMB Past Questions - Question 29: The most important hormone that induces the ripening of fruit is
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
A
Explanation
.AEthylene is a gas secreted bythe unripe fruits which makes them to ripe by stimulating the change of. starchto sugar. It changes the colour of the fruit.Gibberellins is a plant hormonewhich stimulates dwarf plant such as beans to grow into large plant; stimulatesroot growth and promotes development of flowers in plants. Cytokinin breaksdormancy of buds leading to bud growth. It stimulates root development.Indiole acetic acid (IAA) is a naturally occurring a uxin produced at shoot apices which promotes growth in height of plants.
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