General Science & Ability MCQs 2018

GSA PAST PAPER MCQs

General Science & Ability 2018

1 / 20

The sky is blue because of :

a) Rayleigh scattering

b) Reflection

c) Refraction

d) Absorption

2 / 20

Earth completes one rotation around its own axis in :

a) 12 Hours

b) 24 Hours

c) 48 Hours

d) 365 Hours

3 / 20

Astronomical unit "Light Year" is used for measuring :

a) Distance

b) Time

c) Time period

d) Light intensity

4 / 20

Ionic bond between two atoms is :

a) Complete transfer of valence electron

b) Half transfer of valence electron

c) Complete transfer of valence electron and proton

d) None of these

5 / 20

Rotation of Earth is from :

a) West to East

b) East to West

c) North to South

d) South to North

6 / 20

How many calories should you eat per day to lose weight ?

a) 1000

b) 1500

c) 2000

d) 2500

7 / 20

Cyclones :

a) Experience Coriolis effects that deflect air to the right in the Southern Hemisphere

b) Are associated with super geo-strophic winds

c) Are typically regions of fair weather

d) Are associated with low pressure systems

8 / 20

Collection of water droplets which are suspended in the air are called :

a) Clouds

b) Wind

c) Gases

d) Sleet

9 / 20

During combustion of petrol in car engine, energy is converted in :

a) Chemical

b) Mechanical

c) Electrical

d) None of these

10 / 20

The use of antibiotic is a very effective way of killing disease causing bacteria. Sometimes people don't finish all of their pills. This can result in :

a) Some bacteria left unkilled

b) Production of more bacteria

c) Bacteria becoming sensitive to antibiotics

d) Bacteria becoming resistant to antibiotics

11 / 20

Proteins are made up of :

a) Polynucleotide

b) Polypeptide

c) Oxyacetylene

d) None of these

12 / 20

Enzymes in human bodies are :

a) Protein

b) Virus

c) Bacteria

d) None of these

13 / 20

Which is bigger - an astronomical unit (AU) or a light-year (LY) ?

a) An astronomical unit

b) A light year

c) Neither is a measure of distance

d) Both are about the same distance

14 / 20

Barometer is used for measuring :

a) Temperature

b) Pressure

c) Humidity

d) None of these

15 / 20

Layer of atmosphere in which Ozone layer lies is :

a) Exosphere

b) Mesosphere

c) Troposphere

d) Stratosphere

16 / 20

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

17 / 20

Rainbow formation is due to :

a) Absorption of sunlight by the water droplets

b) Diffusion of sunlight through the water droplets

c) Ionization of water droplets

d) Refraction and reflection of sunlight by water droplets

18 / 20

Radio waves by 'Radio Broadcasting' is reflected by :

a) Ionosphere

b) Stratosphere

c) Mesosphere

d) None of these

19 / 20

Antibiotics are used to fight against :

a) Pathogens

b) Virus

c) Bacteria

d) Proteins

20 / 20

The principle used in radar is the same as that of sonar. In radar we use radio waves whereas in sonar we use :

a) Infrared waves

b) Ultrasonic

c) Supersonic

d) None of these

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