ICSE 2009 Solved Important Papers of Biology By Mr. M. P. Keshari

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Biology - The Endocrine System (Solved)

Question .1. Name the following :

(i) The hormone secreted by beta cells of islets of langerhans.

(ii) An endocrine gland.

(iii) The endoctine gland which produces emergency hormone.

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Question .2. State true or false. Write correct statement by changing first word only. estosterone is an androgen.

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Question .3. Pick the odd one out :

(i) Thyroid, adrenal, pituitary, prostate.

(ii) Cretinism, myxedema, exophthalmic goiter, scurvy.

(iii) Insulin, glugagons, diabetes insipidus, dibetes mellitus.

(iv) Insulin, bllod sugar, adrenalin, thyroxine.

(v) Oestrogen, progesterone, testosterone, prolactin.

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Question .4. Give the category and select the odd one out :

(i) Goitre, dwarfism, acromegaly, cataract.

(ii) ADH, TSH, NADP, ACTH.

(iii) Steroids, cortisone, testosterone, adrenalin, prolactin.

(iv) Adrenal, liver, thyroid, ptutiary.

(v) Adrenalin, penicillin, insulin, thyroxine.

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Question .5. Choose :

(i) Which of the following gland has both endocrine and exocrine function (Pitutiary, thyroid, pancreas, adrenal).

(ii) (Myxedema, simple goiter, exophthalmic goiter) is a disorder caused by excess thyroid hormone.

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Question .6. Complete the following table :

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Question .7. Complete the following table by filling in the blank space 1 to 8.

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Question .8. Define endocrine gland.

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Question .9. Differentiate between :

(i) Diabetes mellitus and Diabetes insipidus.

(ii) Acromegaly and Myxedema.

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Question .10. Answer the following questions :

(i) Name the endocrine cells present in the pancreas.

(ii) Name two hormones secreted by the above mentioned cells.

(iii) Mention one main function of each hormonenamed in (ii).

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Question .11. Why people living in hilly regions usually suffer from simple goiter.

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Question .12. Name the hormones produced by the following glands. In each case state one function of the hormone :

1. Thyroid.

2. Pancreas.

3. Adrenal medulla.

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Question .13. Give logic for why insulin is injected into the body of a highly diabetic patient and not given orally ?

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Question .14. Write briefly about :

(i) Exophthalmic goiter (Symptoms and cause).

(ii) Diabetes mellitus (Symtoms and cause).

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Question .15. Given figure is the outline of the human body. Redraw the same and then place the following organs in the correct position and label them :

Fig.

1 – Thyroid gland; 2 – Windpipe; 3 – Diaphragm; 4 – Right and left lungs; 5 – Right and left kidneys; 6 – Adrenal glands.

(i) Name the hormone produced by the thyroid gland and state its function in the body.

(ii) What would a child suffer from if there was hyposecretion of this gland ?

(iii) What role does the diaphragm play in the inspiration of air. Explain briefly.

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Question .16. Given below are the diagrammatic sketches of some endocrine glands. Observe the figures and answer the following questions.

(i) Label the parts 1 to 5.

(ii) Name the hormone secreted by 2 and 5.

(iii) Which chemicals in our body are greatly affected by hormones ?

(iv) What is the chemical nature of hormones ?

(v) Name the elements related with the functioning of hormones secreted by the structure(2).

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