Q1 of 86 Page 149

Give an example for a plant whose leaf shows a mesmerizing movement.

Dance of Desmodium gyrans i.e. Indian telegraph plant leaf shows a mesmerizing movement.

It is also called dancing plant as the leaflets move up, back and then down finally back to its original position showing rhythmic movement. This plant was first used by Indian Scientist J.C. Bose for his experiment.



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2

Hydrotropism : Response towards water Phototropism :

___________

 3

Photosynthesis : ____________ Transpiration : Stomata

 2

Write the scientific terms used to represent the following:

a) Growing of roots towards the gravity.


b) Bending of roots towards the water.

 3

Observe the given picture.

a) Identify this plant. What type of special movement is shown by this plant?



b) What are the other movements seen in this plant?