Development in frog is:
A.Direct
B.Indirect
C.Both (a) & (b)
D.None of these
Category: Embryo Genesis Mcqs
The extra embryonic membranes in rabbit are:
A.Amnion and chorion
B.Allantois
C.Yolk sac
D.All of these
Formation of which of these occurs during gastrulation of frog:
A.Blastocoel
B.Archenteron
C.Mesoderm
D.Notochord
Egg in rabbit is:
A.Microlecithal
B.Mesolecithal
C.Polylecithal
D.Telolecithal
Tadople’s intestine differs with frog’s intestine in having:
A.Two times more length
B.1/3rd more length
C.3/4 more length
D.1/2 length
Enamel found in our tooth is ectodermal in origin whereas dentine is:
A.Totally ectodermal
B.Totally mesodermal
C.Partially endodermal
D.Partially mesodermal
Third cleavage in frog’s egg is:
A.Vertical and complete
B.Meridional and incomplete
C.Vertical and incomplete
D.Horizontal and complete
Expelling out developed foetus of vagina and vulva in mammals is termed as:
A.Parturition
B.Micturition
C.Morphogenesis
D.None of these
According to intravitum technique used by many embryologists, the presumptive ectodermal area in frog’s blastula is formed by:
A.Outermost pigmented cells of animal hemisphere
B.Innermost cells of animal hemisphere blastocoels
C.Outermost cells of vegetal hemisphere
D.Innermost cells of vegetal hemisphere
2nd cleavage in frog’s egg begins after:
A.30 minutes of 1st cleavage
B.60 minutes of 1st cleavage
C.90 minutes of 1st cleavage
D.120 minutes in frog’s egg begins after
