1.

Collect a hydrilla plant. Put it in a glass of water and observe for a week, how it grows.

Answer»
  • Hydrilla is a submerged plant. 
  • It does not contain specialized roots. 
  • The leaves are very small and strap-shaped with pointed tips. 
  • The leaves have a distinct midrib. 
  • The leaves are directly attached to the stem without a petiole. 
  • When we put this Hydrilla in a glass of water it grows an inch in a day. 
  • The plant gets it food from sunlight by a process called photosynthesis.


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