Explore topic-wise MCQs in General Knowledge.

This section includes 2016 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

2001.

Siphon will fail to work if

A. the densities of the liquid in the two vessels are equal
B. the level of the liquid in the two vessels are at the same height
C. both its limbs are of unequal length
D. the temperature of the liquids in the two vessels are the same
Answer» C. both its limbs are of unequal length
2002.

The absorption of ink by blotting paper involves

A. viscosity of ink
B. capillary action phenomenon
C. diffusion of ink through the blotting
D. siphon action
Answer» C. diffusion of ink through the blotting
2003.

Planets are

A. luminous heavenly bodies revolving around a star
B. non-luminous heavenly bodies
C. luminous heavenly bodies that twinkle
D. luminous heavenly bodies that do not twinkle
Answer» C. luminous heavenly bodies that twinkle
2004.

Sound of frequency below 20 Hz is called

A. audio sounds
B. infrasonic
C. ultrasonic
D. supersonics
Answer» C. ultrasonic
2005.

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in

A. 4.2 seconds
B. 42 seconds
C. 4.2 years
D. 42 years
Answer» D. 42 years
2006.

Radiocarbon dating technique is used to estimate the age of

A. rocks
B. monuments
C. soil
D. fossils
Answer» E.
2007.

Of the following properties of a wave, the one that is independent of the other is its

A. amplitude
B. velocity
C. wavelength
D. frequency
Answer» B. velocity
2008.

Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

A. at sea level
B. at the top of Mt. Everest
C. at a place in a valley below sea level
D. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Answer» D. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
2009.

ML2T-2 is the dimensional formula for

A. moment of inertia
B. pressure
C. elasticity
D. couple acting on a body
Answer» E.
2010.

Superconductors are substances which

A. conduct electricity at low temperature
B. offer high resistance to the flow of current
C. offer no resistance to the flow of electricity
D. conduct electricity at high temperatures
Answer» D. conduct electricity at high temperatures
2011.

Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from

A. east
B. west
C. northeast
D. southeast
Answer» B. west
2012.

Planets do not twinkle because

A. they emit light of a constant intensity
B. their distance from the earth does not change with time
C. they are very far away from the earth resulting in decrease in intensity of light
D. they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
Answer» E.
2013.

Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?

A. Rainbow
B. Earthshine
C. Halo
D. Mirage
Answer» E.
2014.

Nuclear sizes are expressed in a unit named

A. Fermi
B. angstrom
C. newton
D. tesla
Answer» B. angstrom
2015.

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because

A. mercury is a metal
B. density of mercury is greater than that of water
C. cohesion of mercury is greater than its adhesion with glass
D. cohesion of water is greater than its adhesion with glass
Answer» D. cohesion of water is greater than its adhesion with glass
2016.

Radiocarbon is produced in the atmosphere as a result of

A. collision between fast neutrons and nitrogen nuclei present in the atmosphere
B. action of ultraviolet light from the sun on atmospheric oxygen
C. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D. lightning discharge in atmosphere
Answer» B. action of ultraviolet light from the sun on atmospheric oxygen