Which of the following structures in our eye are not derived from ectoderm:
A.Lens, retina, cornea, and conjunctiva
B.Selerotic, choroids layer and pupil
C.Iris, ciliary body and eye muscles
D.Both of the structures in list (b) and (c)
A.Lens, retina, cornea, and conjunctiva
B.Selerotic, choroids layer and pupil
C.Iris, ciliary body and eye muscles
D.Both of the structures in list (b) and (c)
A.Holoblastic and vertical
B.Holoblastic and transverse
C.Meroblastic and vertical
D.Meroblastic and transverse
A.10 weeks
B.20 weeks
C.30 weeks
D.40 weeks
A.Epidermis
B.Skin glands
C.Dermis
D.All of these
A.Grows inside the uterus of frog
B.Lives on land only
C.Is different in structure an behavious than adult frog
D.Resembles the adult frog
A.Cells of Ranvier
B.Cells of Rauber
C.Cells of Malpighi
D.None of these
A.Scales
B.Late al-line-organs
C.Gills
D.Horny Jaws
A.Sagittal plane of future embryo
B.Anterior end of furture embryo
C.Tail of future embryo
D.None of these
A.These are milk-fed
B.These are larger in size
C.These are nourished through placenta
D.They need no food
A.Zona pellucida
B.Corona radiata
C.Both of these
D.None of these