Q.

What is one of the key roles of ethylene in plant physiology?

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a

It promotes the vertical growth of seedlings and root elongation.

b

It decreases the rate of respiration in fruits during ripening.

c

It enhances the senescence and abscission of leaves and flowers.

d

It reduces the senescence of fruits and flowers.

answer is C.

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Detailed Solution

It enhances the senescence and abscission of leaves and flowers.

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