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: | Plants lack a nervous system that helps control and coordinate the physiological processes. |
| Reason: | The control and coordination in plants are performed by chemical substances known as hormones. |
2. Phototropism in plants
| Assertion: | Phototropism is caused by auxin. |
| Reason: | When light enters from one side of the plant, auxin diffuses towards the shady side of the shoot. |
3. Cytokinins and ABA
| Assertion: | Usage of ethylene on plants stimulates tremendous elongation of internodes. |
| Reason: | Ethylene induces bolting in plants. |
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