Which of the following will be least effected if the pituitary gland of an adult rat is removed?
Adrenal
Adrenal medulla
Thyroid
Gonads
Correct Answer :
B. Adrenal medulla
Related Questions
At the time of birth, oxytocin acts on uterus by
stimulating the smooth muscles of uterus to produce forceful contractions
detaching foetal tissues from the uterus
increasing the movement of foetus
producing rhythmic movements in the smooth muscles of uterus
Corpus luteum is formed by
germinal cells
follicle cells
ovum
vitelline membrane
One of the endocrine glands is known as master gland:
Thyroid
Pituitary
Parathyroid
Adrenal
Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of
STH
ACTH
GTH
GH
The glands which pour their secretion directly into blood are tamed as
endocrine glands
exocrine glands
holocrine glands
apocrine glands
In the ovary, the progesterone and estrogen are secreted by
corpus callosum
corpus albicans
corpus luteum and Graffian follicles
cells of Graffian follicles
In the blood calcium and phosphate levels are controlled by
thyroid
parathyroid
adrenal
both (a) and (b)
Disease not caused by malfunctioning of thyroid is
acromegaly
cretinism
myxoedema
goitre
The spermatogenesis in mammalian testis is conrolled by
follicle stimulating hormone (FSH)
luteininzing hormone (LH)
ICSH
LH and ICSH
In the male, testosterone exerts profound effects on
development of secondary sex characters
skeletal muscle to increase in size
baldness
all of these
Function of cholecystokinin is to
contract gall bladder
stimulate bile secretion
stimulate digestion
decrease bile secretion
Pituitary gland is under the control of
pineal
hypothalamus
adrenals
none of these
The expulsion of milk from the breast during sucking by the child is brought about by
prolactin
oxytocin
vasopressin
estrogen and progesterone
Hormones which are produced by neurons are
epinephrine and noepinephrine
melatonin and serotonin
oxytocin and vasopressin
all of these
Which hormone promotes persistence of larval characters ?
Juvenile hormone
Thyroxin
Insulin
Ecdysone
Addison's disease is caused by under secretion of
Adrenalin
Cortin
Insulin
ACTH
A decrease in level of oestrogen and progesterone causes
loss of endometrium
growth and dilation of metridium
release of ova from ovaries
constriction of uterine blood vessels leading to sloughing of uterine epithelium
Deficiency of iodine in diet leads to
enlargment of hands and feet
enlargement of liver
enlargement of bones
enlargement of neck region
The activity of Leydig cells is governed by a pituitary hormone abbreviated as
HCG
ACTH
FSH
ICSH
The fight or flight response in the event of danger, is chiefly effected by
glucocorticoids
mineralocorticoids
epinephrine and norepinephrine
glucocorticoids, epinephrine
Symptoms such as softening of bones which are easily bent or fractured are mainly due to
hypothyroidism
hyperthyroidism
hypoparathyroidism
hyperparathyroidism
A hormone, pressure of which in blood or urine serves as pregnancy tests is
HCG
Progesterone
LH
Placental gonadotrophin
The human chorionic gonadotrophin is secreted by
placenta
ovary
uterus
pituitary
Gonadotropic hormones are produced in
posterior part of thyroid
adrenal cortex
adenohypophysis of pitiutary
interstitial cells of testis
The technique of amniocentesis can be employed for the dectection of
Klienfelter's and Down's syndrome
Haemophilia and sickle cell anaemia
Thalassemia and myelocytic leukaemia
All of these
Which of the following will be least effected if the pituitary gland of an adult rat is removed?
Adrenal
Adrenal medulla
Thyroid
Gonads
ACTH is secreted by
adrenal cortex
thyroid
adrenal medulla
pituitary
Hyper secretion of adrenal cortex causes
Addison's disease
Down's syndrome
Cushing's syndrome
Acromegaly
Diabetes mellitus is due to deficiency of
insulin
glucagon
trypsin
ADH
Male reproductive functions are controlled by
FSH
Testosterone
FSH and LH
All of these