Q13 of 54 Page 51

Correct the statements, if they are wrong.

i) Alpha cells produce insulin and beta cells produce glucagon.


ii) Cortisone suppresses the immune response.


iii) The thymus gland is a lymphoid mass.


iv) Ovary produces eggs and androgen.

(i) Given statement is wrong. The correct sentence is as follows:

Alpha cells produce glucagon and beta cells produce insulin.


(ii) Given statement is true.


(iii) Given statement is true.


(iv) Given statement is wrong. The correct statement is as follows:


Ovary produces eggs and oestrogen, progesterone and relaxin.


More from this chapter

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11

The diagram is of the human brain.

Shade the areas marked A and B in the parts of the brain, corresponding with the function.


A. Seat of smell


B. Seat of vision


 12

On the basis of the function performed, pick out the right statements.

i) Pituitary gland secretes hormones and enzymes.


ii) Thyroid gland secretes thyroxine and insulin.


iii) Leydig cells produce testosterone hormone.


iv) The pancreas produces enzymes and hormones.

 14

Here are a few statements about the endocrine system in man. State whether each of them is true or false. If the statement is false write the correct statement.

i) The endocrine system controls and co-ordinates the physical process of growth, reproduction, and sustenance of life.


ii) Endocrine glands are duct bearing glands which secrete chemical substances called hormones.


iii) The pancreas is a dual gland.


iv) Malfunctioning of the thymus gland causes goiter.

15

Copy and complete the following table: