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Dramatic changes of body features associ...

Dramatic changes of body features associated with puberty are mainly because of secretion of

A

oestrogen from testes and testosterone from ovary

B

estrogen from adrenal gland and testosterone from pituitary gland

C

testosterone from testes and estrogen from ovary

D

testosterone from thyroid gland and estrogen from pituitary gland

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The correct Answer is:
C
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NCERT EXEMPLAR-CONTROL AND COORDINATION-Control And Coordination
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  2. Dwarfism results due to

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  3. Dramatic changes of body features associated with puberty are mainly b...

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  4. A doctor advised a person to take an injection of insulin because

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  5. The hormone which increase the fertility in males is called

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  6. Which of the following endocrine glands is unpaired?

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  7. Junction between two neurons is called

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  8. In humans, the life processes are controlled and regulated by

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  9. Label the parts (a), (b), (c) and (d) and show the direction of flow o...

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

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  11. Label the endocrine gland in figure

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

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  13. Label the part of a neuron in Figure below

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

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

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

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  17. What happens at the synapse between two neurons?

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

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

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

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