Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A,B,C,D .
A B C D
Ureter Postate Seminal vesicle Bulbourethral gland
Vas deferens Seminal vesicle Prostate Bulbourethral gland
Vas deferens Seminal vesicle Bulbourethral gland Prostate
Ureter Seminal vesicle Prostate Bulbourethral gland.
Test-tube baby means a baby born when:
The ovum is fertilized externally and there after implanted in the uterus .
It develops from a non-fertilized egg .
It is developed in a test tube .
It is developed through tissue culture method .
Which set is similar?
Corpus luteum — Graafian follicle
Sebum — Sweat
Bundle of His — Pacemaker
Vitamin-B7 — Niacin
Bartholin's glands are situated:
On either side of vagina in humans
On either side of vas deference in humans
On the sides of the head of some amphibians
At the reduced tail end of birds
Ovulation in the human female normally takes place during the menstrual cycle:
At the mid secretory phase.
Just before the end of the secretory phase.
At the beginning of the proliferative phase.
At the end of the proliferative phase.
Cleavage in mammalian egg is:
Equal holoblastic
Unequal holoblastic
Superficial meroblastic
Discoidal meroblastic
At the time of organogenesis, genes regulate the process at different levels and at different time due to:
Promoter
Regulator
Intron
Exon
If mammalian ovum fails to get fertilized, which one of the following is unlikely?
Corpus luteum will disintegrate.
Estrogen secretion further decreases.
Primary follicle starts developing.
Progesterone secretion rapidly declines.
Flamingos breed in:
Rann of Kutch
Chilka lake
Sambhar lake
Lake Manasarover
Which one of the following is the correct matching of the events occurring during menstrual cycle?
Ovulation — LH and FSH attain peak level and sharp fall in the secretion of progesterone
Proliferative phase—Rapid regeneration of myometrium and maturation of Graafian follicle
Development of corpus luteum — Secretory phase and increased secretion of progesterone
Menstruation — Breakdown of myometrium and ovum not fertilized