PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAssertion and reason type questions:
1. Plant hormones:
| Assertion: | Application of cytokinin to marked vegetables can keep them fresh for several days. |
| Reason: | Cytokinins delay senescence of leaves and other organ by mobilisation of nutrients. |
2. Phototropism in plants
| Assertion: | Apical dominance is the supression of the growth of axillary buds. |
| Reason: | Apical dominance is due to the effect of downward movement of auxin from the apical region to lower side. |
3. Cytokinins and ABA
| Assertion: | Application of cytokinins promotes the Richmond Lang effect. |
| Reason: | Application of auxins promotes delays ageing in plants. |
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