PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Differentiate phototropism from photonasty.
a. The unidirectional movement or growth of a plant towards the direction of light is known as .
b. is slow and irreversible.
c. The non-directional movement of the part of a plant in response to light irrespective of the direction of stimulus is known as .
d. is immediate, temporary and reversible.
2. Photosynthesis converts energy \(X\) into energy \(Y\).
a. What are \(X\) and \(Y\)?
b. Green plants are autotrophic in their mode of nutrition. Why?
i. \(X\) is .
ii. \(Y\) is .
iii. As the green plants prepare their food through photosynthesis, they are said to be in an autotrophic mode of nutrition.
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