The largest portion of the brain is:
a) Fore brain
b) Hind brain
c) Mid brain
d) The spinal cord
Which instrument is used to see distant objects?
a) Aluminum
b) Periscope
c) Telescope
d) Microscope
The speed of light in vacuum is____
a) 3 x 106
b) 3 x 108
c) 3 x 1010
d) 3 x 1012
Which among the following is the most important role played by Ribosome in the cells?
a) Synthesis of RNA
b) synthesis of DNA
c) Synthesis of Protein
d) Metabolism of Carbohydrates
Water covers___% of the earth’s surface.
a) 60
b) 70
c) 20
d) 100
Contaminated water can be purified by:
a) Agriculture
b) Adding salt
c) Adding detergents
d) Distillation
