- 1(current)
Q. No.1. Pseudo-Dormancy
2. Thermonasty
3. Vernalisation
4. Scarification
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| A | B | C | D | |
| 1. | Flowers | No Flowering | No Flowering | Flowers |
| 2. | No flowering | Flowers | Flowers | No Flowering |
| 3. | Flowers | No Flowering | Flowers | No Flowering |
| 4. | No flowering | Flowers | No Flowering | Flowers |
| I: | Vernalisation enables the plant to have sufficient time to reach maturity. |
| II: | It prevents precocious reproductive development late in the growing season. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the given two statements:
| I: | Winter varieties of wheat are planted in autumn. |
| II: | Spring varieties of wheat are planted in winters. |
| 1. | Both I and II are correct |
| 2. | Both I and II are incorrect |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
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Identify the incorrect statement:
1. Biennials are monocarpic plants that normally flower and die in the second season.
2. Wheat, barley and rye are common biennials.
3. After vernalisation, plants have acquired the ability to flower.
4. Even after vernalisation, plants may require additional seasonal cues or weeks of growth before they will actually flower.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| I: | The process, by which exposure to cold renders plants competent to flower is called vernalization. |
| II: | Even after vernalization, the plant must be subjected to a suitable photoperiod, usually long days. |
| III: | Like photoperiod, vernalization is also perceived in leaves. |
| IV: | In most biennial long day plants that form rosettes, gibberellins treatment can substitute for the cold requirement. |
| 1. | Only I, II and III | 2. | Only I, II and IV |
| 3. | Only II, III and IV | 4. | I, II, III and IV |
- 1(current)
Q. No.
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