1) Fuel used in a nuclear reactor is
A) Uranium
B) Heavy water
C) Barium
D) Cadmium
A) Uranium
B) Heavy water
C) Barium
D) Cadmium
2) The heater element in an electric iron is made of
A) Nichrome
B) Tungsten
C) Copper
D) Iron
3) Range of Television Broadcasting is confined to a limited distance because
A) Long waves are used B) Short waves are absorbed by atmosphere
C) Energy of the waves is dissipated
D) Earth is spherical in shape
4) Dialysis is used for a patient suffering from?
A) Kidney trouble B) Liver trouble
C) Lung trouble
D) Heart trouble
5) Green colour of plants is due to the presence of
A) Chlorophyll
B) Sugar
C) Mitochondria
D) Xylem
6)Dry ice is ?
A) Solid carbon dioxide B) Ice dust
C) Liquified nitrogen
D) Liquified hydrogen
7)Neil Armstrong was the first person to reach on the moon. While walking on the moon
A) His mass remained the same but weight increased B) His mass remained the same but weight decreased
C) His mass as well as weight decreased
D) His mass increased but weight remained the same
8) Distance of stars is measured in
A) Light years B) Kilometres per second
C) Kilometres only
D) Nautical miles
9) The deficiency of Vitamin D causes
A) Rickets B) Night blindness
C) Pellagra
D) Scurvy
10) Isotopes of the same element differ in the number of
A)Protons B) Neutrons
C) Electrons
D) Positrons
Answer key:
1.a
2.a
3.d
4.a
5.a
6.a
7.b
8.a
9.a
10.b
1.a
2.a
3.d
4.a
5.a
6.a
7.b
8.a
9.a
10.b
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