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Autoimmune Diseases

Fill in the b...

Question

Fill in the blanks with the correct alternative:

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

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Solution

Undersecretion.

Insufficient secretion of thyroxine causes cretinism. It affects the growth of children and leads to dwarfism and mental retardation.

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Similar questions

Match the items of column I with those of column II.

Column I Column II

1. 'β' (beta) cells of islets of Langerhans (a) Condition due to undersecretion of thyroxine in adults.

2. Thyroid (b) Undersecretion of glucocorticoids

3. Cretinism (c) Exophthalmic goitre

4. Addison's disease (d) Increases heart beat

5. Hyperthyroidism (e) Thyroxine

6. Myxoedema (f) Adrenal cortex

7. Adrenaline (g) Insulin

8. Cortisone (h) Undersecretion of thyroxine in a child.

Match the conditions in column A with the cause in column B

A (Condition) B (Cause)

(a) Dwarfism and mental retardation (i) Excess of glucose in blood.

(b) Diabetes mellitus (ii) Over secretion of growth hormone.

(c) Shortage of glucose in blood (iii) Insulin shock.

(d) Gigantism (iv) Over secretion of thyroxine.

(e) Enlargement of breasts in adult males (v) Hypothyroidism in a child.

(f) Exophthalmic goiter (vi) Over secretion of cortical hormones.

Q. Fill in the blanks with the correct alternative from those given in the brackets.

(ii) Cretinsium is caused due to ______ of thyroxine.
(undersecretion/oversecretion)

Fill in the blanks with the correct alternative from those given in the brackets.

Cretinism is caused due to ____________ of thyroxine. (undersecretion/oversecretion)

Q. Fill in the blanks with the correct alternative from those given for each: [5 MARKS]
(i) Thyroid is located close to ___. (larynx/kidney)
(ii) Cretinism is caused due to ___ of thyroxine. (undersecretion / oversecretion)
(iii) Oversecretion of thyroxine causes ___ goitre. (simple / exophthalmic)
(iv) The condition showing swelling on face and hands and sluggishness due to hypothyroidism is called ___. (cretinism / myxoedema)
(v) The hormone concerned with facing dangers is ___. (thyroxine / cortisone / adrenaline)

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Autoimmune Diseases

Standard XII Biology

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