- 1(current)
Q. No.Apical dominance is primarily due to:
1. High cytokinin concentration in lateral buds
2. Auxin produced by apical bud
3. Ethylene accumulation
4. Gibberellin deficiency
1. High cytokinin concentration in lateral buds
2. Auxin produced by apical bud
3. Ethylene accumulation
4. Gibberellin deficiency
Subtopic: Auxin Function |
91%
Level 1: 80%+
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Which plant hormone is responsible for cell elongation in stems?
1. Cytokinin
2. Abscisic acid
3. Auxin
4. Ethylene
1. Cytokinin
2. Abscisic acid
3. Auxin
4. Ethylene
Subtopic: Auxin Function |
63%
Level 2: 60%+
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Identify the correct statement/s regarding auxins?
1. Only B and C
2. A, B and C
3. Only A
4. None
| A: | They are generally produced by the growing apices of the stems and roots, from where they migrate to the regions of their action. |
| B: | Auxins like NAA (naphthalene acetic acid) and 2, 4-D (2, 4- dichlorophenoxyacetic) have been isolated from plants. |
| C: | IAA and indole butyric acid (IBA) are synthetic auxins. |
1. Only B and C
2. A, B and C
3. Only A
4. None
Subtopic: Auxin Function |
75%
Level 2: 60%+
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- 1(current)
Q. No.
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