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Chemical Coordination and Control MCQs for NEET — Zoology Questions with Answers

Practice free Chemical Coordination and Control (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

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NEET 2024
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Match List I with List II:

List I List II
A. Exophthalmic goiter I. Excess secretion of cortisol, moon face & hyperglycemia
B. Acromegaly II. Hypo-secretion of thyroid hormone and stunted growth
C. Cushing's syndrome III. Hyper secretion of thyroid hormone & protruding eye balls
D. Cretinism IV. Excessive secretion of growth hormone

Choose the correct answer from the options given below:

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Explanation

Exophthalmic goiter — hyperthyroidism (Graves); Acromegaly — GH excess in adults; Cushing's — cortisol excess; Cretinism — congenital hypothyroidism.

NEET 2025
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Match List - I with List - II:

List - I — A. Heart, B. Kidney, C. Gastro-intestinal tract, D. Adrenal Cortex

List - II — I. Erythropoietin, II. Aldosterone, III. Atrial natriuretic factor, IV. Secretin

Choose the correct answer:

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Explanation

Heart → atrial natriuretic factor (III); Kidney → erythropoietin (I); GI tract → secretin (IV); Adrenal cortex → aldosterone (II).

NEET 2025
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Consider the following statements regarding function of adrenal medullary hormones: A. It causes pupilary constriction B. It is a hyperglycemic hormone C. It causes piloerection D. It increases strength of heart contraction Choose the correct answer:

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Explanation

Adrenaline/noradrenaline are hyperglycemic (B), cause piloerection (C) and increase the force of heart contraction (D). They cause pupillary dilation, not constriction, so A is wrong.

NEET 2025
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Which of the following hormones released from the pituitary is actually synthesized in the hypothalamus?

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Explanation

ADH (and oxytocin) are synthesised in the hypothalamus and merely stored/released from the posterior pituitary. LH, FSH and ACTH are made in the anterior pituitary.

NEET 2025
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Match List - I with List - II:

List - I — A. Progesterone, B. Relaxin, C. Melanocyte stimulating hormone, D. Catecholamines

List - II — I. Pars intermedia, II. Ovary, III. Adrenal Medulla, IV. Corpus luteum

Choose the correct answer:

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Explanation

Progesterone → corpus luteum (IV); Relaxin → ovary (II); MSH → pars intermedia (I); Catecholamines → adrenal medulla (III).

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