GK Practice Test: Question Set - 13
1. The 23½° South latitude is known as
- (A) The Tropic
of Cancer
- (B) The
Tropic of Capricorn
- (C) The
Equator
- (D) The
Prime Meridian
2. A man weighing 65 kg jumps from a 100 ft high building with a load of 35 kg. What wlii be the load experienced by him?
- (A) 20 kg
- (B) 100 kg
- (C) 200 kg
- (D) Zero
3. The universal law of gravitation was propounded by
- (A) Kepler
- (B) Galileo
- (C) Newton
- (D) Copernicus
4. Summer solstice occurs in the Southern hemisphere
- (A) December 22
- (B) January 22
- (C) February 22
- (D) February 28
5. Microphone is used to convert
- (A) Sound waves
into electrical energy
- (B) Sound
waves into light rays
- (C) Electrical
energy into sound waves
- (D) Sound
waves into magnetic currents
6. Steel is more elastic than Rubber because
- (A) Its density
is high
- (B) It is a
metal
- (C) Ratio of
stress to strain is more
- (D) Ratio of
stress to strain is less
7. Pressure cooker cooks rice faster because
- (A) It
always lets the steam escape
- (B) High
pressure crushes the hard covering of rice grains
- (C) It does not
let the heat energy escape easily
- (D) High
pressure raises the boiling point of water
8. The clear sky looks blue because
- (A) Reflection
of light
- (B) Refraction
of light
- (C) Diffraction
of light
- (D) Dispersion of
light
9. The main reserves of phosphorus in the biosphere is in the
- (A) Hydrosphere
- (B) Atmosphere
- (C) Lithosphere
- (D) Troposphere
10. The normal threshold of hearing is around
- (A) 60-80 db
- (B) 45-60 db
- (C) 100-120 db
- (D) 25-45 db
11. Ozone hole refers to
- (A) Hole
in ozone layer
- (B) Decrease
in the ozone layer in troposphere
- (C) Decrease
in thickness of ozone layer in stratosphere
- (D) Increase
in the thickness of ozone layer in troposphere
12. Super conductivity is a phenomenon in which the resistance of a substance
- (A) Increases
with temperature
- (B) Decreases
with temperature
- (C) Does
not change with temperature
- (D) Becomes
zero at very low temperature
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