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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 | |