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#endocrinology

50 public questions tagged with this topic.

ZOOLOGY

Which hormone secreted by the adrenal cortex regulates glucose metabolism?

Cortisol is a glucocorticoid that regulates glucose metabolism by stimulating gluconeogenesis. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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ZOOLOGY

Which hormone deficiency leads to excessive urination and dehydration?

A deficiency of vasopressin (ADH) leads to diabetes insipidus, causing excessive urination and dehydration. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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ZOOLOGY

Which hormone is secreted by the adrenal medulla during emergency situations?

Adrenaline (epinephrine) is secreted by the adrenal medulla in response to stress, increasing heart rate and alertness. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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ZOOLOGY

Which of the following is a correct statement regarding aldosterone?

Aldosterone, secreted by the adrenal cortex, regulates sodium and potassium balance by increasing sodium reabsorption and potassium excretion in the kidneys.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Chemical Coordination and Integration, Topic: Aldosterone, mineralocorticoid, sodium reabsorption in kidney.

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ZOOLOGY

Which hormone is secreted by the parathyroid gland and increases blood calcium levels?

PTH increases blood calcium levels by stimulating calcium release from bones and increasing absorption in the intestines. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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ZOOLOGY

Which condition is caused by the deficiency of insulin?

Insulin deficiency leads to diabetes mellitus, characterized by high blood glucose levels and glucose excretion in urine. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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ZOOLOGY

Which hormone is responsible for stimulating the secretion of glucocorticoids from the adrenal cortex?

Adrenocorticotropic hormone (ACTH) stimulates the adrenal cortex to release glucocorticoids like cortisol. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Physiology - Digestion, Respiration, Circulation, Neural Control and Chemical Coordination, Topic: Organ system functions and hormonal regulation.

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ZOOLOGY

Which hormone is secreted by the pancreas and acts to increase blood glucose levels?

Glucagon, secreted by the pancreas, increases blood glucose levels by promoting glycogen breakdown. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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ZOOLOGY

Which disorder is caused by the hypersecretion of thyroid hormones?

Graves’ disease is caused by the excessive secretion of thyroid hormones, leading to increased metabolism and weight loss. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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ZOOLOGY

What is the function of the parathyroid hormone (PTH)?

PTH increases blood calcium levels by stimulating bone resorption and calcium absorption in the intestines. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.

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ZOOLOGY

Which recombinant DNA product is used for treating growth hormone deficiency?

Recombinant human growth hormone (somatotropin) is used to treat growth hormone deficiency. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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