PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoUnderstand the statement and analyse the answer based on the given reason:
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: | Phototropism is a directional growth movement. |
| Reason: | It occurs in the direction of light. |
3. Gibberellins and ethylene
| Assertion: | Usage of ethylene on plants stimulates tremendous elongation of internodes. |
| Reason: | Ethylene induces bolting in plants. |
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