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4

Gonadotropic hormones are produced in

A. posterior part of thyroid

B. adrenal cortex

C. adenohypophysis of pitiutary

D. interstitial cells of testis

Correct Answer :

C. adenohypophysis of pitiutary


Related Questions

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4

At the time of birth, oxytocin acts on uterus by

A. stimulating the smooth muscles of uterus to produce forceful contractions

B. detaching foetal tissues from the uterus

C. increasing the movement of foetus

D. producing rhythmic movements in the smooth muscles of uterus

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4

Corpus luteum is formed by

A. germinal cells

B. follicle cells

C. ovum

D. vitelline membrane

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4

A decrease in level of oestrogen and progesterone causes

A. loss of endometrium

B. growth and dilation of metridium

C. release of ova from ovaries

D. constriction of uterine blood vessels leading to sloughing of uterine epithelium

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4

New ovarian follicles will not begin to ripen as long as the blood has high level of

A. FSH

B. Progesterone

C. Estrogen

D. LH

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4

A hormone, pressure of which in blood or urine serves as pregnancy tests is

A. HCG

B. Progesterone

C. LH

D. Placental gonadotrophin

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4

Deficiency of iodine in diet leads to

A. enlargment of hands and feet

B. enlargement of liver

C. enlargement of bones

D. enlargement of neck region

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4

Hyper secretion of adrenal cortex causes

A. Addison's disease

B. Down's syndrome

C. Cushing's syndrome

D. Acromegaly

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4

The spermatogenesis in mammalian testis is conrolled by

A. follicle stimulating hormone (FSH)

B. luteininzing hormone (LH)

C. ICSH

D. LH and ICSH

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4

One of the endocrine glands is known as master gland:

A. Thyroid

B. Pituitary

C. Parathyroid

D. Adrenal

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4

Animals that are well known to use pheromones are

A. Centipedes

B. Hydra

C. Pigeons

D. Ants

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4

Which of the following hormones maintains the integrity of the uterine wall during pregnancy ?

A. Estrogen

B. Progesterone

C. Oxytocin

D. Intermedin

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4

Androgens are secreted from

A. Leydig cells and placenta

B. Testis and adrenal cortex

C. Adenohypophysis and testis

D. Leydig cels and adrenal cortex

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4

Function of cholecystokinin is to

A. contract gall bladder

B. stimulate bile secretion

C. stimulate digestion

D. decrease bile secretion

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4

Pituitary gland is under the control of

A. pineal

B. hypothalamus

C. adrenals

D. none of these

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4

Which hormone promotes persistence of larval characters ?

A. Juvenile hormone

B. Thyroxin

C. Insulin

D. Ecdysone

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4

The technique of amniocentesis can be employed for the dectection of

A. Klienfelter's and Down's syndrome

B. Haemophilia and sickle cell anaemia

C. Thalassemia and myelocytic leukaemia

D. All of these

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4

Throughout pregnancy the hormones which remain low in plasma are

A. FSH

B. FSH and LH

C. LH

D. Estrogen and progesterone

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4

Estrogen is secreted by cells of

A. theca interna

B. theca externa

C. theca interna cells of developing Graffian follicles

D. corpus luteum

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4

Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of

A. STH

B. ACTH

C. GTH

D. GH

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4

A posterior pituitary hormone released during parturition is

A. Oxytocin

B. Vasopressin

C. ICSH

D. ACTH

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4

Hormones which are produced by neurons are

A. epinephrine and noepinephrine

B. melatonin and serotonin

C. oxytocin and vasopressin

D. all of these

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4

Due to hyposecretion from pituitary, the disease is

A. goitre

B. encephalitis

C. diabetes incipidus

D. diabetes mellitus

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4

The expulsion of milk from the breast during sucking by the child is brought about by

A. prolactin

B. oxytocin

C. vasopressin

D. estrogen and progesterone

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4

In the ovary, the progesterone and estrogen are secreted by

A. corpus callosum

B. corpus albicans

C. corpus luteum and Graffian follicles

D. cells of Graffian follicles

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4

Which of the following is homologous with the oviduct of frog ?

A. Uterus

B. Vagina

C. Fallopian tube

D. All of these

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4

Deficiency of parathormone in the blood causes

A. hypokalemia

B. hyperkalemia

C. hypocalcemia

D. hypercalcaemia

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4

Thyroxine has direct effect on

A. blood flow \

B. cellular respiration

C. rate of excretion

D. rate of digestion

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4

Islets of Langerhans secrete a hormone which controls diabetes mellitus :

A. Insulin

B. Rennin

C. Ptyalin

D. HQ

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4

M.S.H produced by the pars intermedia of pitiutary causes in lower vertebrates

A. darkening of skin

B. light colouration of skin

C. both (a) and (b)

D. none of these

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4

Disease not caused by malfunctioning of thyroid is

A. acromegaly

B. cretinism

C. myxoedema

D. goitre