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In a person of advanced age, the hair be...

In a person of advanced age, the hair become thinner gradually. It happens because of decrease in

A

synthetic of glucose

B

synthetic of proteins

C

energy availability

D

blood supply

Text Solution

Verified by Experts

The correct Answer is:
B

In vertebrates, `alpha`-keratin (a protein) constitutes almost the entire dry weight of hair. Therefore, as the person ages, metabolism decreases, synthesis of protein decreases leading to thinning of hair.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-DIGESTION AND ABSORPTION-MCQ
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  2. A certain peson eats boiled potato, one of the food component in it is

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  5. Which one of the following is mismatched?

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  6. Cholecystokinin and secretin are secreted by

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  7. To which of the following family do folic acid and pentothenic acid be...

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  8. Which part of body secretes the hormone secretin?

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  9. Hormone that stimulates stomach to secrete gastric juice is

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  10. Layer of cells that secrete enamel of tooth is

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  11. One of the factors required for the maturation of erythrocytes is

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  12. Contraction of gall bladder is induced by

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  13. Lactose is made of:

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  14. In vertebrates, lacteals are found in

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  15. The protein deficiency disease is known as

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  16. In frog, the surface of attachment of tongue is

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  17. If pancreas is removed, the components which remain undigested by

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  18. Which vitamin is synthesised by bacteria in human gut?

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