Question 13
Iodine is necessary for the synthesis of which hormone?

(a) Adrenaline
(b) Thyroxine
(c) Auxin
(d) Insulin

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Solution

(b) Thyroxine

Iodine is necessary for the synthesis of the hormone thyroxine by the thyroid gland. Thyroxine regulates carbohydrate, protein and fat metabolism in the body and aims to provide the best balance for growth.

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Question 48
Mention one function for each of these hormones.

(a) Thyroxin
(b) Insulin
(c) Adrenaline
(d) Growth hormone
(e) Testosterone

Which of the following hormone prepares our body for action in emergency situations ?

(a) testosterone (b) insulin (c) thyroxine (d) adrenaline

Question 26
Which statement is not true about thyroxin?

(a) Iron is essential for the synthesis of thyroxin
(b) It regulates carbohydrate, protein and fat metabolism in the body
(c) Thyroid gland requires iodine to synthesise thyroxin
(d) Thyroxin is also called thyroid hormone

Q. Name the source and the function of each of the following hormones :

	Hormone	Source	Function
(a)	Glucagon	............	............
(b)	Thyroxine	............	............
(c)	Adrenaline	............	............
(d)	Insulin	...........	............
(e)	Cortisone	...........	.............

Iodine is necessary for the synthesis of which hormone?

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Thyroid Gland

Standard X Biology

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Question 13 Iodine is necessary for the synthesis of which hormone? (a) Adrenaline (b) Thyroxine (c) Auxin (d) Insulin

(b) Thyroxine Iodine is necessary for the synthesis of the hormone thyroxine by the thyroid gland. Thyroxine regulates carbohydrate, protein and fat metabolism in the body and aims to provide the best balance for growth.

Question 13
Iodine is necessary for the synthesis of which hormone?

(a) Adrenaline
(b) Thyroxine
(c) Auxin
(d) Insulin

(b) Thyroxine

Iodine is necessary for the synthesis of the hormone thyroxine by the thyroid gland. Thyroxine regulates carbohydrate, protein and fat metabolism in the body and aims to provide the best balance for growth.