Cleavage found in mesolecithal egg is
Holoblastic and equal
Holoblastic and unequal
Meroblastic
Discoidal
Which of the following is correct?
Mesoderm - Brain
Ectoderm - Liver
Mesoderm - Skeleton
Endodermis - Epidermis
Maturation of sperm before penetration is called
Spermatogenesis
Spermiogenesis
Capacitation
Spermatid
Which of the following structures are derivatives of the endoderm?
Alimentary canal and respiratory structures
Muscles and blood
Excretory and reproductive structures
Skin and nerve cord
In frog, gastrulation process involves
epiboly
emboly
invagination
All of these
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
Spermatogenesis is induced by
FSH
ACTH
ICSH
ATH
Conversion of spermatids into sperm is
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
A chemical fertilizin is produced from
polar bodies
middle piece of sperm
acrosome
mature eggs
