Which one of the following growth regulators is known as stress hormone ?
1. Abscissic acid
2. Ethylene
3. GA3
4. Indole acetic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following generally acts as an antagonist to gibberellins ?
1. Ethylene
2. ABA
3. IAA
4. Zeatin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following acids is a derivative of carotenoids?
1. Indole-butyric acid
2. Indole-3-acetic acid
3. Gibberellic acid
4. Abscisic acid`
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. vessels and tracheid differentiation
2. leaf abscission
3. annual plants
4. floral parts.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology