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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

Correct Answer :

B. stimulate bile secretion


Related Questions

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4

Symptoms such as softening of bones which are easily bent or fractured are mainly due to

A. hypothyroidism

B. hyperthyroidism

C. hypoparathyroidism

D. hyperparathyroidism

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4

At the time of puberty the hormone that triggers sexual characters in male is

A. adrenalin

B. testosterone

C. insulin

D. thyroxin

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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

Which endocrine gland stores its secretion in an extracellular space before discharging it into the blood ?

A. Thyroid

B. Pancreas

C. Adrenal

D. Testis

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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

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

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

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

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

Pituitary gland is under the control of

A. pineal

B. hypothalamus

C. adrenals

D. none of these

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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

In the male, testosterone exerts profound effects on

A. development of secondary sex characters

B. skeletal muscle to increase in size

C. baldness

D. all of these

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4

The human chorionic gonadotrophin is secreted by

A. placenta

B. ovary

C. uterus

D. pituitary

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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

In the blood calcium and phosphate levels are controlled by

A. thyroid

B. parathyroid

C. adrenal

D. both (a) and (b)

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4

Male reproductive functions are controlled by

A. FSH

B. Testosterone

C. FSH and LH

D. All of these

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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

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

Hyperglycemia is an indication of mal-functining of

A. thyroid

B. liver

C. islets of Langerhans

D. adrenals

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Diabetes mellitus is due to deficiency of

A. insulin

B. glucagon

C. trypsin

D. ADH

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4

Most contraceptive pills contain

A. estrogen + FSH

B. progesterone + LH

C. progesterone + FSH

D. oestrogen and progesterone

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4

The activity of Leydig cells is governed by a pituitary hormone abbreviated as

A. HCG

B. ACTH

C. FSH

D. ICSH

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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

Thyroxine has direct effect on

A. blood flow \

B. cellular respiration

C. rate of excretion

D. rate of digestion

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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

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

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

Islets of Langerhans secrete a hormone which controls diabetes mellitus :

A. Insulin

B. Rennin

C. Ptyalin

D. HQ

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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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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