Choose the correct answer. 10 X 2
1 = 5 M
1. A force can not change [ ]
A) Speed of an object B) Shape of the object
C) Mass D) Direction of object
2. ________ and ________ are called fluids [ ]
A) liquids and gases B) solids and liquids
C) solids and gases D) None of these.
3. Any scientific fibre combined with two or more other fibres is called [ ]
A) Mixing B) Alloying C) Blending D) Picking.
4. Which of the following non metal conduct electricity [ ]
A) Sulphur B) Graphite C) Iodine D) Carbon
5. Velocity of sound in vaccum is [ ]
A) less B) zero C) More D) None
6. i = 600 r = ___? [ ]
A) 650 B) 300 C) 600 D) 1200
7. ___________ balls repel moths and other insects. [ ]
A) Benzene B) Napthalene C) Acetone D) None
8. Phosphorus is preserved in [ ]
A) Alcohol B) Benzene C) Kerosene D) None
9. Sudden shaking of earth is called? [ ]
A) Earth quake B) Tsunami C) Lightening D) Thunder storm.
10. Helley’s commet is a commet which appears after every _____ years [ ]
A) 72 B) 74 C) 76 D) 78
Answers
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Answer:
1 D
2 B
3 A
4 B
5 B
6 C
7 D
8 D
9 A
10 A
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