PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoUnderstand the statement and analyse them:
1.
| Statement 1: | Auxins are hormones produced at the tips of stems and roots. |
| Statement 2: | In 1880 Charles Darwin observed unilateral growth and curvature in the coleoptiles of canary grass. |
2.
| Statement 1: | Low concentration of water leads to more drawing of water into the cells. |
| Statement 2: | When the stomata pore (stoma) is open, the water evaporates from the mesophyll cells, thereby lowering water concentration in these cells. |
3.
| Statement 1: | Application of gibberellins promotes the Richmond Lang effect. |
| Statement 2: | Application of auxins promotes delays ageing in plants. |
Register for free to see more content