Corpus luteum is formed by
germinal cells
follicle cells
ovum
vitelline membrane
Correct Answer :
B. follicle cells
Related Questions
Disease not caused by malfunctioning of thyroid is
acromegaly
cretinism
myxoedema
goitre
Deficiency of parathormone in the blood causes
hypokalemia
hyperkalemia
hypocalcemia
hypercalcaemia
Hyper secretion of adrenal cortex causes
Addison's disease
Down's syndrome
Cushing's syndrome
Acromegaly
The glands which pour their secretion directly into blood are tamed as
endocrine glands
exocrine glands
holocrine glands
apocrine glands
Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of
STH
ACTH
GTH
GH
Which disease is caused by the deficiency of thyroxine in the adult ?
Diabetes insipidus
Diabetes mellitus
Myxoedema
Exopthalmic goitre
Addison's disease is caused by under secretion of
Adrenalin
Cortin
Insulin
ACTH
A hormone, pressure of which in blood or urine serves as pregnancy tests is
HCG
Progesterone
LH
Placental gonadotrophin
Animals that are well known to use pheromones are
Centipedes
Hydra
Pigeons
Ants
Hyperglycemia is an indication of mal-functining of
thyroid
liver
islets of Langerhans
adrenals
In the blood calcium and phosphate levels are controlled by
thyroid
parathyroid
adrenal
both (a) and (b)
Estrogen is secreted by cells of
theca interna
theca externa
theca interna cells of developing Graffian follicles
corpus luteum
Regulation of volume of urine is caused by
ADH
Aldosterone
Both (a) and (b)
ADH, ldosterone and testosterone
Pituitary gland is under the control of
pineal
hypothalamus
adrenals
none of these
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
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
New ovarian follicles will not begin to ripen as long as the blood has high level of
FSH
Progesterone
Estrogen
LH
In the male, testosterone exerts profound effects on
development of secondary sex characters
skeletal muscle to increase in size
baldness
all of these
The human chorionic gonadotrophin is secreted by
placenta
ovary
uterus
pituitary
Islets of Langerhans secrete a hormone which controls diabetes mellitus :
Insulin
Rennin
Ptyalin
HQ
Throughout pregnancy the hormones which remain low in plasma are
FSH
FSH and LH
LH
Estrogen and progesterone
A posterior pituitary hormone released during parturition is
Oxytocin
Vasopressin
ICSH
ACTH
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
Which endocrine gland stores its secretion in an extracellular space before discharging it into the blood ?
Thyroid
Pancreas
Adrenal
Testis
One of the endocrine glands is known as master gland:
Thyroid
Pituitary
Parathyroid
Adrenal
M.S.H produced by the pars intermedia of pitiutary causes in lower vertebrates
darkening of skin
light colouration of skin
both (a) and (b)
none 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
Deficiency of iodine in diet leads to
enlargment of hands and feet
enlargement of liver
enlargement of bones
enlargement of neck region
Which of the following is homologous with the oviduct of frog ?
Uterus
Vagina
Fallopian tube
All of these
Hormones which are produced by neurons are
epinephrine and noepinephrine
melatonin and serotonin
oxytocin and vasopressin
all of these