Question
Differentiate between:
Phototropism and chemotropism

Answer

Phototropism

Chemotropism

  • Directional growth movement of a plant part in response to light
  • Directional growth movement of a plant part in response to chemicals
  • Example: Growth of shoots of plants in upward direction
  • Example: Growth of pollen tube towards female gametophyte

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free