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
What is true for cleavage?
Size of embryo increases
Size of cells decreases
Size of cells increases
Size of embryo decreases
Stratum germinativum is an example of which kind of epithelium?
Cuboidal
Ciliated
Columnar
Squamous
Gray crescent is the area:
At the point of entry of sperm into ovum.
Just opposite to the site of entry of sperm into ovum.
At the animal pole
At the vegetable pole.
At the time of organogenesis, genes regulate the process at different levels and at different time due to:
Promoter
Regulator
Intron
Exon
Which one of the following statement is incorrect about menstruation?
During normal menstruation about 40 ml blood is lost.
The menstrual fluid can easily clot.
At menopause in the female, there is especially abrupt increase in gonadotropic hormones.
The beginning of the cycle of menstruation is called menarche.
Seminal plasma in human is rich in:
Fructose, calcium and certain enzymes.
Fructose and calcium but has no enzymes.
Glucose and certain enzymes but has no calcium.
Fructose and certain enzymes but poor in calcium.
The function of copper-T is to prevent:
Fertilization
Egg maturation
Ovulation
Implantation of blastocyst
Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus ?
Chorion
Allantois
Yolk sac
Amnion