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Biology Control and Coordination

Sashank

25/07/2018 0 0

1.What is co-odinatioco?

Ans:Systematic working of various organs of an organism (plant and animals) producing a proper response to the stimulus is called co-odinatioco.

2.What is phytohormone?

Ans:They are naturally occurring chemical substances which control one or other aspects of growth. Control and co-ordination in plant done by it.

3.What is Tropic movements?

Ans:Directional plant growth movement in response to an external stimulus.

4.What is Nastic movements?

Ans:Non directional movement of a plant part in response to an external stimulus.

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