PUMPA - SMART LEARNING

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

Book Free Demo
1. The bending of root of a plant in response to water is called
 
2. A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of
 
3. The root of the plant is
 
i. positively phototropic but negatively geotropic
iipositively geotropic but negatively phototropic
iii. negatively phototropic but positively hydrotropic
iv. negatively hydrotropic but positively phototropic