Question 10:

ABA acts as antagonistic to
(a) ethylene
(b) cytokinin
(c) gibberellic acid
(d) IAA

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Solution

Option (c) gibberellic acid

Gibberellic acid ABA is stress hormone as it induces seed dormancy in plants. Whereas, gibberellic acid breaks down seed dormancy and induces seed germination so, both act opposite to each other, the refer are antagonistic to each other.

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Similar questions

Question 09:

To increase sugar production in sugarcanes, they are sprayed with
(a) IAA
(b) cytokinin
(c) gibberellin
(d) ethylene

Question 03:

The effect of apical dominance can be overcome by which of the following hormone?
(a) IAA
(b) Ethylene
(c) Gibberellin
(d) Cytokinin

Question 02:

Coconut water contains
(a) ABA
(b) auxin
(c) cytokinin
(d) gibberellin

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