General Science & Ability MCQs 2018

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

An ionic bond between two atoms is:
A) Complete transfer of valence electrons
B) Half transfer of valence electrons
C) Complete transfer of electrons
D) None of these

How is dengue fever transmitted?
A) Bite of an infected mosquito
B) Bite of an infected male Aedes mosquito
C) Bite of an infected female Anopheles mosquito
D) Bite of an infected female Aedes mosquito

The sky is blue because of:
A) Rayleigh scattering
B) Reflection
C) Mie scattering
D) Absorption

Cyclones:
A) Experience Coriolis effects that deflect air to the right in the Southern Hemisphere
B) Are associated with super geotropic winds
C) Are typically regions of fair weather
D) Are associated with low-pressure systems

Rainbow formation is due to:
A) Absorption of sunlight by water droplets
B) Diffusion of sunlight through water droplets
C) Ionization of water droplets
D) Refraction and reflection of sunlight by water droplets

The layer of the atmosphere in which the ozone layer lies is:
A) Exosphere
B) Mesosphere
C) Troposphere
D) Stratosphere

Which distance is bigger—an astronomical unit (AU) or a light-year (LY)?
A) An astronomical unit (AU)
B) Neither one is a measurement of distance
C) They’re both about the same distance
D) A light-year (LY)

The rotation in which the Earth rotates is from:
A) West to east
B) East to west
C) North to south
D) South to north

A collection of water droplets which are suspended in air is called:
A) Wind
B) Cloud
C) Gases
D) Sleet