- 1(current)
Q. No.Subtopic: Growth Hormones & Auxin | Cytokinin |
83%
Level 1: 80%+
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Cytokinins delay senescence mainly by:
1. Inhibiting protein synthesis
2. Promoting nutrient mobilisation
3. Enhancing ethylene synthesis
4. Reducing photosynthesis
1. Inhibiting protein synthesis
2. Promoting nutrient mobilisation
3. Enhancing ethylene synthesis
4. Reducing photosynthesis
Subtopic: Cytokinin |
93%
Level 1: 80%+
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Hints
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Consider the following statements regarding auxins:
Which of the statements given above are correct?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
| I: | They promote cell elongation in stems. |
| II: | They delay senescence in leaves. |
| III: | They show apical dominance. |
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Subtopic: Growth Hormones & Auxin | Gibberellin | Cytokinin |
Level 4: Below 35%
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Which of the following is/are function/s of cytokinins in plants?
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Cytokinins help to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation. |
| II: | Cytokinins help overcome the apical dominance. |
| III: | Cytokinins promote nutrient mobilisation which helps in the delay of leaf senescence. |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Cytokinin |
83%
Level 1: 80%+
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- 1(current)
Q. No.
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