The endometrium is the lining of
bladder
vagina
uterus
oviduct
At menopause, there is rise in urinary excretion of
FSH
STH
LH
MSH
Which of the following is viviparous?
Running birds
Whales
Bats
Both (b) and (c)
The final hormonal stimulus leading to ovulation in humans is provided by
ACTH
Middle piece of sperm contains
mitochondria, Golgi bodies, centriole
axial filament, centriole, Golgi bodies
mitochondria, centriole, axial filament
Golgi bodies, axial filament, centriole
Relaxin is released from
testis
ovary
adrenals
pituitary
The lytic enzyme present in semen is
ligase
oestrogenase
androgenase
hyaluronidase
Which one of the following statements about human sperm is correct?
Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilization
The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization
Acrosome serves as a sensory structure leading the sperm towards the ovum
Acrosome serves no particular function
Which of the following provides nutrition to sperm?
Leydig's cells
Scrotum
Sertoli's cells
Epididymis
Sertoli's cells are regulated by the pituitary hormone known as
GH
Prolactin