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Name the plant hormones responsible for ...

Name the plant hormones responsible for the following
(a) elongation of cells (b) growth of stem
(c ) promotion of cell division (d) falling of senescent leaves

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(a) Auxin-elongation of cells (b) Gibberellin-growth of stem
(c) Cytokinin-promotion of cell division (d) Abscisic acid-falling of senescent leaves
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NCERT EXEMPLAR-CONTROL AND COORDINATION-Control And Coordination
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  2. Label the parts (a), (b), (c) and (d) and show the direction of flow o...

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  3. Name the plant hormones responsible for the following (a) elongation...

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  4. Label the endocrine gland in figure

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  5. In figure (a), (b) and (c), which appears more accurate and why?

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  6. Label the part of a neuron in Figure below

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  7. Match the terms of column I with those of column II.

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  8. What is a tropic movement? Explain with an example.

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  9. What will happen if intake of iodine in our diet is low?

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  10. What happens at the synapse between two neurons?

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  11. Answer the following (a) which hormone is responsible for the chang...

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  12. Answer the following (a) Name the endocrine gland associated with br...

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  13. Draw the structure of a neuron and explain its function.

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  14. What are the major parts of the brain? Mention the functions of differ...

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  15. What constitutes the central and peripheral nervous systems? How are t...

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  16. Mention one function for each of these hormones (a) Thyroxin (b)...

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  17. Name various plant hormones. Also give their physiological effects on ...

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  18. What are reflex actions? Give two examples. Explain a reflex arc

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  19. Nervous and hormonal systems together perform the function of control ...

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  20. How does chemical coordination take place in animals?

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