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
Which one of the following is the most likely reason of regular menstruation cycle not occurring in females ?
Fertilization of the ovum
Maintenance of the hypertrophical endometrial lining
Maintenance of high concentration of sex-hormones in the blood stream
Retention of well-developed corpus luteum
Flamingos breed in:
Rann of Kutch
Chilka lake
Sambhar lake
Lake Manasarover
The function of copper-T is to prevent:
Fertilization
Egg maturation
Ovulation
Implantation of blastocyst
Probability of four sons to a couple is:
1/4
1/8
1/16
1/32
Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus ?
Chorion
Allantois
Yolk sac
Amnion
At the time of organogenesis, genes regulate the process at different levels and at different time due to:
Promoter
Regulator
Intron
Exon
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
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for:
Responsiveness to touch
Interaction with the environment and progressive evolution
Reproduction
Growth and movement
Which part of ovary in mammals acts as an endocrine gland after ovulation?
Graafian follicle
Stroma
Germinal epithelium
Vitelline membrane
