In which of these eye defects the lens looses its transparency and the defect occurs at the aging:
A.Hypermetropia
B.Myopia
C.Astigmatism
D.Cataract
A.Hypermetropia
B.Myopia
C.Astigmatism
D.Cataract
A.Star-fish
B.Ascaris
C.Hydra
D.House-fly
A.Cockroach
B.Sycon
C.Star-fish
D.Metridium
A.Disappears or is reduced
B.Breaks into opsin and retinine
C.Is resynthesized
D.Breaks into scotopsin and iodopsin
A.Hoofed mammals
B.Elephant
C.Whales
D.All of these
A.Nocturnal animals
B.Diurnal animals
C.Both (a) & (b)
D.None of these
A.Visual purple
B.Visual voilet
C.Visual red
D.None of these
A.Scala Vestibuli
B.Organ of Corti
C.Helicotremma
D.None of these
A.10-15 cms
B.15-20 cms
C.20-21 cms
D.None of these
A.Hypermetropia and generally occurs with the aging
B.Myopia in which one can see only nearby objects
C.Astigmatism in which light in one plane is focused in other plane
D.None of these