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Endocrine Glands (Class XI/XII)

Description: Proteins Pituitary GlandThe Pituitary GlandHypothalamusThe HypothalamusAdrenalsAdrenal GlandParathyroidsParathyroid GlandTestes and OvaryHormones released by Testis and Ovary
Number of Questions: 15
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Tags: Proteins Pituitary Gland The Pituitary Gland Hypothalamus The Hypothalamus Adrenals Adrenal Gland Parathyroids Parathyroid Gland Testes and Ovary Hormones released by Testis and Ovary
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The largest compact and highly vascularised part of the pituitary is

  1. infundibulum

  2. posterior lobe

  3. anterior lobe

  4. intermediate lobe


Correct Option: C
Explanation:

Anterior lobe is the largest, compact and highly vascularised part of the pituitary.

___________ hormone regulates general growth of the body.

  1. LTH

  2. ACTH

  3. STH

  4. TSH


Correct Option: C
Explanation:

Somatotrophic hormone act on almost every tissue to regulate body growth.

The pituitary lies in ________ cavity of the skull.

  1. infundibulum

  2. median eminence

  3. sella turcica

  4. Rathke's pouch


Correct Option: C
Explanation:

This is the correct answer.

__________ hormone is called the jack of all trades.

  1. STH

  2. LTH

  3. ACTH

  4. TSH


Correct Option: B
Explanation:

LTH is known as the jack of all trades.

The gland that secretes melanocyte stimulating hormone is

  1. anterior lobe of pituitary

  2. intermediate lobe of pituitary

  3. posterior lobe of pituitary

  4. pineal body


Correct Option: B
Explanation:

Intermediate lobe of pituitary secretes melanocyte stimulating hormone.

Follicle stimulating hormone functions in

  1. males

  2. females

  3. both males and females

  4. infants


Correct Option: C
Explanation:

FSH stimulates the process of spermatogenesis and sperm formation in males and stimulates formation of ovaries in females.

What function does LH perform in males?

  1. Stimulates process of spermatogenesis

  2. Stimulates the interstitial cells to secrete testosterone

  3. Controls the change in the colour of the skin

  4. Stimulates the development of corpus luteum


Correct Option: B
Explanation:

In males, LH stimulates the interstitial cells to secrete testosterone.

Vasopressin and oxytocin are synthesised in

  1. posterior lobe of pituitary

  2. anterior lobe of pituitary

  3. hypothalamus

  4. intermediary lobe


Correct Option: C
Explanation:

Vasopressin and oxytocin are synthesised in the hypothalamus.

What is infundibulum?

  1. Connection between thyroid lobes

  2. Stalk

  3. Outgrowth of pharynx

  4. Special cells in testes


Correct Option: B
Explanation:

Pituitary hangs below the hypothalamus by a stalk called infundibulum.

What results in dwarfism?

  1. Hypersecretion of growth hormone

  2. Hyposecretion of growth hormone

  3. Hyposecretion of TSH

  4. Hyposecretion of ACTH


Correct Option: B
Explanation:

Hyposecretion of growth hormone results in dwarfism.

__________ plays an important role in fat-metabolism.

  1. Oxytocin

  2. Cortisol

  3. Prolactin

  4. Adrenotropin


Correct Option: B
Explanation:

Cortisol affects the fat metabolism.

Leydig's cells are found in

  1. ovaries

  2. testes

  3. pancreas

  4. adrenal medulla


Correct Option: B
Explanation:

This is the correct answer.

__________ plays an important role in osmoregulation.

  1. Oxytocin

  2. Vasopressin

  3. Prolactin

  4. Adrenotropin


Correct Option: B
Explanation:

Vasopressin plays an important role in osmoregulation.

The secretion of sertoli cells is called

  1. insulin

  2. testosterone

  3. estrogen

  4. progesterone


Correct Option: B
Explanation:

Testosterone is secreted by sertoli cells.

Which of the following pairs is incorrect?

  1. Thyroid - Myxoedema

  2. Pituitary - Acromegaly

  3. Adrenal - Cushing's syndrome

  4. Parathyroid - Grave's disease


Correct Option: D
Explanation:

Grave's disease is caused by hypersecretion of thyroid.

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