General Science & Ability MCQs 2010

The deepest place on earth is:
A) Trench
B) Mariana Trench
C) Mangrove
D) Groove

Twinkling of stars is caused by the:
A) Reflection of light
B) Polarization of light
C) Refraction of light
D) Interference of light

Magnifying power of a simple microscope can be increased by:
A) Increasing focal length of the lens
B) Decreasing focal length of the lens
C) Lens of large aperture
D) Lens of short aperture

Bronze medal is made up of metals:
A) Copper, Nickel
B) Copper, Tin
C) Copper, Silver
D) Copper, Zinc

One of the countries through which equator passes is:
A) Kenya
B) Pakistan
C) Malaysia
D) Malta

A very important practical application of properties of matter is hoeing or "godi" practiced by the farmers. This property of matter is called:
A) Elasticity
B) Stress
C) Capillarity
D) Strain

It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man does not feel it because:
A) An equal and opposite pressure acts from inside
B) Of the height of a man
C) Of gravity
D) Earth pulls the man upward

A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect:
A) Current
B) Voltage
C) Nuclear Radiation
D) Power

The principle used in radar is the same as that of Sonar. In radar we use radio waves while in Sonar we use:
A) Red Waves
B) Infrared Waves
C) Ultrasonic Waves
D) Supersonic Waves

A body can escape the gravitational pull of the earth if it is thrown up with a velocity of:
A) 25 miles/sec
B) 60 miles/sec
C) 7 miles/sec
D) 10 miles/sec