Q5 of 39 Page 138

List any two effects of adrenaline

(i) ____________________


(ii) ____________________

The two effects of adrenaline are:


i. Increase in heart beats causing it to send more glucose and oxygen to the muscle leading to thumping of heart.


ii. Constricts the arterioles so that blood goes less to the skin and more to the muscle leaving the person pale


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3

Name the following conditions:

(i) Passage of much glucose in urine ………………………


(ii) Overdose of insulin makes the diabetic patient unconscious ………………………………………………

 4

List any three symptoms of diabetes mellitus.

(i) ____________________


(ii) ____________________


(iii) ____________________

 6

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

(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)