15 General Science MCQs

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1) 


A. Mercury
B. Pluto
C. Neptune
D. Uranus

2) 


A. 1 g/cm3
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these

3) 


A. 60
B. 120
C. 180
D. 240

4) 

A. motor
B. generator
C. moving-coil meter
D. battery

5) Deficiency of Vitamin-D results in __________?

A. night blindness

B. rickets

C. scurvy

D. hair fall

6) The SI unit of “pressure” is _________.

A. pascal

B. joule

C. tesla

D. henry

7) The densest substance on the Earth is __________.

A. Platinum

B. Copper

C. Steel

D. Osmium

8) A camera uses a __________ to form an image.

A. convex lens

B. concave lens

C. condenser lens

D. none of these

9) When white light is passed through a prism, it splits into __________ colors.

A. 5

B. 6

C. 7

D. 8

10) 1 nanometer =?

103 meter

106 meter

109 meter

1012 meter

11) Instrument used for measuring very high temperature is __________?

a Pyroscope

b Pyrometer

c Seismograph

d Xylometer

12) Sound waves are _________ waves.

a Transverse

b Electromagnetic

c Longitudinal

d none of these

13) The lifespan of White Blood Cells is __________ day(s)?

A. 1 – 5 days

B. 3 – 7 days

C. 4 – 8 days

D. 5 – 21 days

14) The fluid part of blood is known as __________?

a plasma

b platelets

c blood cells

d None of these

15) During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.

A. Salt

B. Chlorine

C. Carbon dioxide

D. Water

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