Q6 of 39 Page 138

Name the two categories of hormones secreted by the adrenal cortex.

(i) ____________________


(ii) ____________________

The two categories of hormones secreted by adrenal cortex are:


The two categories of hormones secreted by adrenal cortex are:


i. Mineralocorticoids: It regulates the mineral metabolism, specially sodium (Na+) and potassium (K+) ions.


ii. Glucocorticoids: It regulates the carbohydrate protein and fat metabolisms.


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4

List any three symptoms of diabetes mellitus.

(i) ____________________


(ii) ____________________


(iii) ____________________

 5

List any two effects of adrenaline

(i) ____________________


(ii) ____________________

 1

Fill in the blanks with the correct alternative from those given for each:

(i) The thyroid is located close to ………………(larynx/kidney).


(ii) Cretinism is caused due to ……………….. of thyroxin (undersecretion/oversecretion)


(iii) Over-secretion of thyroxin causes ………………… goitre. (simple/exophthalmic)


(iv) The condition showing swelling of face and hands and sluggishness due to hypothyroidism is called …………………………… (cretinism/myxoedema)


(v) The hormone concerned with facing dangers is ……………………… (thyroxine/cortisone/adrenalin)


(vi) Cortex and medulla are the two regions of ……………………………………(thyroid/adrenal)


(vii) One of the effects of increased secretion of adrenaline is …………………………. (Dry mouth/slowing of heartbeat/face flushed with blood)

 1

Mention if the following statements are true (T) or false (F). If false, rewrite the correct word (not words) striking out the single wrong one.

(i) The pituitary is of the size of a lemon. T/F


(ii) Pituitary has three lobes – anterior, posterior and intermediate. T/F


(iii) Over-secretion of growth hormone in adult causes gigantism. T/F


(iv) Vasopressin secreted by anterior lobe controls reabsorption of water form kidney tubules. T/F