Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom.

A Thyroid gland \(\to\) Thyroxine \(\to\) Lack of iodine in diet results in goitre
B Corpus Iuteum \(\to\) Testosterone \(\to\) Stimulates
C Anterior pituitary \(\to\) Oxytocin \(\to\) Stimulates uterus contraction during child birth
D Posterior pituitary \(\to\) Growth hormone \((GH)\) \(\to\) stimulates abnormal growth

Verified Solution

Answer & Solution

Correct Answer

(A) Thyroid gland \(\to\) Thyroxine \(\to\) Lack of iodine in diet results in goitre

Step-by-step Solution

Detailed explanation

(a) : Iodine is required for production of thyroxine, thus lack of iodine results in hyposecretion of thyroxine. To compensate, thyroid gland enlarges and the condition is known as goitre. Corpus luteum secretes progesterone which maintains uterine endothelium and mucus secretion in uterus, Fallopian tubes and vagina. Oxytocin stimulates uterine contractions but is secreted by posterior pituitary. Anterior pituitary secretes \(GH\), whose oversecretion causes abnormal growth.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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List - I	List - II
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(b) Kidney	(ii) Aldosterone
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List \(I\)	List \(II\)
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(B) Cartwheel pattern	(II) Cilia and flagella
(C) Crista	(III) Chromosome
(D) Satellite	(IV) Mitochondria

List\(- I\)	List \(- II\)
(a) Chlamydomonas	(i) Moss
(b) Cycas	(ii) Pteridophyte
(c) Selaginella	(iii) Alga
(d) Sphagnum	(iv) Gymnosperm