Development in frog begins:
A.Immediately after fertilization
B.Two and half hours after fertilization
C.Six hours after fertilization
D.Twelve hours after fertilization
A.Immediately after fertilization
B.Two and half hours after fertilization
C.Six hours after fertilization
D.Twelve hours after fertilization
A.Cells of inner surface of embryonal knob
B.Cells of outer layer of embryonal knob
C.Both of these structures
D.None of these
A.Ectoderm – liver
B.Mesoderm – skeleton
C.Endodern – brain
D.Ectoderm – blood vessels
A.Ectoderm
B.Endoderm
C.Both (a) & (b)
D.None of these
A.Parts of presumptive ectoderm
B.Parts of presumptive endoderm
C.Parts of both of these
D.Parts of none of these
A.Uterine mucosa only
B.Uterine submucosa only
C.Endothelia of capillaries of uterine blood vessels
D.All of these
A.Fragmentation
B.Regeneration
C.Cleavage
D.Invagination
A.Medulla
B.Cortex
C.Both (a) & (b)
D.None of these
A.Fertilized egg of the frog
B.Unfertilized egg of the frog
C.Sperm of the frog
D.None of these
A.Morula
B.Blastula
C.Gastrula
D.Neurula