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lodine is necessary for the synthesis of...

lodine is necessary for the synthesis of which hormone?

A

Adrenaline

B

Thyroxin

C

Auxin

D

Insulin

Text Solution

Verified by Experts

The correct Answer is:
B
lodine is necessary for the synthesis of thyroxin hormone, defeciency of it in the diet of a person produces less thyroxine hormone and causes a disease known as goitre. The main symptom of goitre is that the neck of the person appears to be swollen (due to the enlargement of thyroid gland situated in the neck).
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NCERT EXEMPLAR-CONTROL AND COORDINATION-Control And Coordination
  1. The main function of abscisic acid in plants is to

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  2. Which of the following is not associated with growth of plant?

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  3. lodine is necessary for the synthesis of which hormone?

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  4. Choose the incorrect statement about insulin

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  5. Select the mis-matched pair

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  6. The shape of guard cells changes due to change in the

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  7. The growth of tendril in pea plants is due to

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  8. The growth of pollen tubes towards ovules is due to

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  9. The movement of sunflower in accordance with the path of sun is due to

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  10. The substance that triggers the fall of mature leaves and fruits from ...

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  11. Which of the following statements about transmission of nerve impulse ...

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  12. Involuntary actions in the the body are controlled by

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  13. Which of the following is not an involuntary action?

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  14. When a person is suffering from severe cold, he or she cannot

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  15. What is the correct direction of flow of electrical impulses?

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  16. Which statement is not true about thyroxine?

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  17. Dwarfism results due to

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

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

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

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