Which is formed in gastrulation?
Archeenteron
Heart
Brain
None of these
Conversion of spermatids into sperm is
Spermiogenesis
Spermatogenesis
Gametogenesis
Metamorphosis
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
Maturation of sperm before penetration is called
Capacitation
Spermatid
Which of the following undergoes spermtogenesis?
Spermatids
Spermatogonia
Primary spermatocytes
Secondary spermatocytes
Which of the following is not correct for gastrulation ?
Archenteron is formed
All germinal layers are formed
Morphogenetic movements
Some blastomeres and blastocoel degenerate
Spermatogenesis is induced by
FSH
ACTH
ICSH
ATH
A chemical fertilizin is produced from
polar bodies
middle piece of sperm
acrosome
mature eggs
Which of the following groups of cell in the male gonad, represent haploid cells?
Spermatogonial cells
Germinal epithelial cells
Cleavage found in mesolecithal egg is
Holoblastic and equal
Holoblastic and unequal
Meroblastic
Discoidal
