- 1(current)
Q. No.Which of the following is not ABA?
1.Inhibitor-B
2.Abcission II
3.Dormin
4.Bakane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn most situations, which of the following acts as an antagonist to GAs?
1. ABA
2. IAA
3. Kinetin
4. Ethylene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAbscisic acid is known as the stress hormone because it
(1) breaks seed dormancy
(2) induces flowering
(3) promotes leaf fall
(4) promotes closure of stomata
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrect statement about ABA growth regulator.
| 1. | It increases the tolerance of plants against different stresses. |
| 2. | It acts as general plant growth inhibitor and inhibitor of metabolism. |
| 3. | It helps in seed maturation and dormancy. |
| 4. | It promotes morphogenesis and differentiation of shoots. |
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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 & BiologyBud dormancy is induced by:-
1. ABA
2. ethylene
3. IAA
4. gibberellic acid.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyABA acts as antagonistic to
| 1. | ethylene | 2. | cytokinin |
| 3. | gibberellic acid | 4. | IAA |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe term synergistic action of hormones refers to
| 1. | When two hormones act together but bring about opposite effects. |
| 2. | When two Hormones act together and contribute to the same function. |
| 3. | When one Hormone affects more than one function |
| 4. | When many hormones bring about anyone function |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the Following:
|
Column I |
Column II |
|
A. IAA B. ABA C. Ethylene D. GA E. Cytokinin |
1. Herring sperm DNA. 2. Bolting 3. Stomatal closure 4. Weed-free lawns 5. Ripening of fruits. |
Codes
| Options: | A | B | C | D | E |
| 1. | 4 | 3 | 5 | 2 | 1 |
| 2. | 5 | 3 | 4 | 2 | 1 |
| 3. | 4 | 1 | 4 | 3 | 2 |
| 4. | 5 | 3 | 2 | 4 | 4 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPlant growth promoters are not involved in
1. Cell division, cell enlargement
2. Pattern formation, seed formation
3. Dormancy, Abscission
4. Fruiting and Flowering
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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