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1. Only I | 2. Only II |
3. Both I and II | 4. Neither I nor II |
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.
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. Auxins 2. Cytokinins 3. Gibberellins 4. Ethylene |
1. Auxins | 2. Cytokinins |
3. Gibberellins | 4. Ethylene |
1. Darwin | 2. Boysen Jenson |
3. Paal | 4. Went |
1. Only I, II and III | 2. Only I, II and IV |
3. Only I, III and IV | 4. Only II, III and IV |
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.