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What is the response of stem to light ? ...

What is the response of stem to light ? What is this phenomenon known as ?

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A stem moves towards light. This phenomenon is known as positive phototropism.
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KUMAR PRAKASHAN-CONTROL AND COORDINATION-OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in short : )
  1. Give example of the movement of a plant part which is caused by the lo...

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  2. What is the response of roots to gravity? What is this phenomenon know...

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  3. What is the response of stem to light ? What is this phenomenon known ...

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  4. What is an impulse ?

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  5. What is gustatory receptors ? Where they located ?

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  6. By what is nervous tissue made-up of ? What is its special ability ?

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  7. State any two examples of movement in order to protect ourselves.

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  8. What are components of peripheral nervous system ?

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  9. Which separate areas are there in fore-brain ?

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  10. Why thinking is called a complex activity ?

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  11. How do we know that we have eaten enough ?

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  12. Which involuntary actions are controlled by medulla in the hind-brain?

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  13. How do animal muscles move ?

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  14. How does a muscle cell move ?

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  15. How do muscle cells change their shape ?

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  16. How does leaves of chhui-mui respond to touch stimulus ?

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  17. Why are hormones called chemical messengers ?

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  18. Which plant hormone inhibits growth ? State its effect.

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  19. Why is chemical signal required along with electrical impulses in high...

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  20. Who constitutes a second way of control and coordination in our body ?

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