मराठी

Differentiate between: Phototropism and chemotropism - Biology

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प्रश्न

Differentiate between: 

Phototropism and chemotropism

फरक स्पष्ट करा
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उत्तर

  Phototropism   Chemotropism
1. Directional growth movement of a plant part in response to light. 1. Directional growth movement of a plant part in response to chemicals.
2. Example: Growth of plant shoots in an upward direction. 2. Example: Growth of pollen tube towards female gametophyte
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