Conversion of spermatids into sperm is
Spermiogenesis
Spermatogenesis
Gametogenesis
Metamorphosis
Anti-fertilizin is present on
Egg
Tail
Ovum
Spermatozoa
Maturation of sperm before penetration is called
Capacitation
Spermatid
Which of the following groups of cell in the male gonad, represent haploid cells?
Spermatogonial cells
Germinal epithelial cells
Secondary spermatocytes
Primary spermatocytes
A chemical fertilizin is produced from
polar bodies
middle piece of sperm
acrosome
mature eggs
Select the correct statement.
Cleavage follows gastrulation
Yolk content in egg has no role in cleavage
Cleavage is repeated mitotic division of zygote
Gastrulation and blastulation are followed by each other
In frog, chromosome number is reduced to half
When 2nd polar body is separated
When 2nd polar body is divided
When 3nd polar body is separated
When 1nd polar body is separated
If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultaneously, what will be the ratio of ova and sperms produced?
1:1
l : 2
1:4
2:1
During embryonic development, endoskeleton and muscles develop from which germinal layer?
Ectoderm
Endoderm
Mesoderm
Blastopore
Cleavage found in mesolecithal egg is
Holoblastic and equal
Holoblastic and unequal
Meroblastic
Discoidal
