Science Class 6th
41. helps to see Amoeba clearly?
A. Lens
B. Telescope
C. Microscope
D. None of these
42. Waste material in cells are stored in ?
A. Vacuole
B. Nucleus
C. Mitochondria
D. None of these
43. Power House of cell is?
A. Nucleus
B. Mitochondria
C. Vacuole
D. None of these
44. Single and Large vacuole is present in cell.
A. Plant
B. Animal
C. Both (a) and (b)
D. None of these
45. Outermost layer in plant cell is?
A. Cell membrane
B. Cell wall
C. None of these
46. Cell was discovered by while observing cork cells.
A. Robert Brown
B. W. B. Yeast
C. Robert Hook
D. None of these
47. is very hard.
A. Cell wall
B. Cell membrane
C. Nucleus
D. Mitochondria
48. The movement of material in cell is controlled by?
A. Cell wall
B. Nucleus
C. Cell membrane
D. None of these
49. Cytoplasm is ?
A. Viscous
B. Thick
C. Hard
D. Both (a) and (b)
50. The space between cell membrane and nuclear membrane is filled by?
A. Water
B. Mitochondria
C. Cytoplasm
D. None of these
51. is responsible for cell division.
A. Nucleus
B. Centriole
C. Cell wall
D. All of these
52. Sac like structure in cell is called ?
A. Vacuole
B. Nucleus
C. Cytoplasm
D. None of these
53. Vacuole lies in the central position in?
A. Plants
B. Animals
C. Both (a) and (b)
D. None of these
54. Eye ball in human eye is?
A. Hollow
B. Spherical
C. Liquid
D. Both (a) and (b)
55. Eye is protected by?
A. Eye lid
B. Sclera
C. Choroid
D. None of these
56. Outermost white part of eye is?
A. Choroid
B. Sclerotic
C. Eye lid
D. None of these
57. protects inner parts of the eye.
A. Sclerotic
B. Eye ball
C. Eyelid
D. All of these
58. Thin and transparent layer which bulges out is called?
A. Sclerotic
B. Eye ball
C. Eye
D. Cornea
59. Colored area behind Cornea is called?
A. Iris
B Lens
C. Sclera
D. None of these