Thyroid Gland

Q.

Where is the thyroid gland situated in the body?

1. Just below the Brain

2. Above the Kidneys

3. In the Abdomen

4. Around the neck

Q. What are hormones? Name the hormone secreted by thyroid and state its function. [2 Marks]

Q.

What is the importance of iodine in our diet?

1. It is required by body to produce Thyroxine

2. It is useful in digestion of proteins

3. It enhances the taste of the food

4. It fights bacterial infection

Q.

Assertion(A): Iodine diet is essential for proper body functioning in man.

Reason(R): Iodine helps in the formation of thyroxin which regulates overall metabolism of the body.

1. A & R both are incorrect

2. A is correct & B is incorrect

3. A is incorrect & B is correct

4. A & R both are correct

Q.

From the picture, identify the endocrine glands and the hormones secreted by them in a male.

1. (i) – Pituitary gland, (ii) – Testosterone, (iii) – Adrenal gland, (iv) – Auxin, (v) Pancreas, (vi) – Adrenaline

2. (i) – Pituitary gland, (ii) – Thyroxin, (iii) – Adrenal glands, (iv) – Adrenaline, (v) Pancreas, (vi) – Insulin

3. (i) – Adrenal gland, (ii) – Thyroxin, (iii) – Pancreas, (iv) – Auxin, (v) Pituitary, (vi) – Insulin

4. (i)Pancreas, (ii) Adrenaline, (iii) Adrenal glands, (iv) – Insulin, (v) – Pituitary gland, (vi) - Cytokinines

Q.

Which of the following hormones contain iodine and is required to initiate the metabolism of fat?

1. Testosterone

2. Thyroxine

3. Insulin

4. Adrenaline

Q.

Which of the following is not an endocrine gland?

1. Pancreas

2. Pituitary

3. Sebaceous

4. Thyroid

Q.

Describe the role of the thyroid gland in human body.

Q.

Which of the following hormone is secreted by thyroid gland?

1. Insulin

2. Thyroxine

3. Trypsin
4. Pepsin

Q. $\begin{array}{cc}\text{Column A}& \text{Column B}\\ \left(i\right)\text{Lack of iodine}& \left(A\right)\text{Causes goitre}\\ \left(ii\right)\text{Person whose blood glucose is very high}& \left(B\right)\text{Estrogen}\\ \left(iii\right)\text{Lack of growth hormone}& \left(C\right)\text{Diabetic}\\ \left(iv\right)\text{Responsible for puberty in females}& \left(D\right)\text{Causes dwarfism}\end{array}$

1. (i) – C, (ii) – D, (iii) – A, (iv) –B

2. (i) – A, (ii) – C, (iii) – D, (iv) –B

3. (i) – D, (ii) – B, (iii) – A, (iv) –C

4. (i) – A, (ii) – B, (iii) – D, (iv) –C