NEET 2001 Biology question

Which of the following prevents the fall of fruits : -

(1)
(2)NAACorrect
(3)Eethylene
(4)Zeatin

Answer: (2)

Solution

Auxins and their synthetic analogues such as NAA (naphthalene acetic acid) are sprayed to prevent premature abscission of leaves and fruits (pre-harvest fruit drop). Ethylene and ABA promote abscission, so (3) is the

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Question ID VK-088862