PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Understand 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.