SSC CGLScience

Natural Disasters

7 SSC CGL Science previous year questions on Natural Disasters — options free on every question; 1 include the answer & explanation free, the rest unlock with PYQ Pass.

Q1 FREE PREVIEW

PYQ

The minimum short-term natural hazard is __________ .

ablizzard

bearthquake

cvolcanic eruption

dbolt of lightning

✓ Correct answer: d) bolt of lightning

ExplanationA bolt of lightning is a short-duration natural hazard that occurs instantly and lasts for a very brief period, typically measured in milliseconds.Blizzard: Can last several hours to days.Earthquake: Lasts from a few seconds to minutes but may have long-term aftershocks.Volcanic eruption: Can persist for hours, days, or even longer.Hence, the correct answer is "bolt of lightning".

PYQ

What is the name of the tropical cyclones in the China Sea?

aHurricanes

bTornado

cTwister

dTyphoon

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PYQ

Tsunami is caused by ______.

aunderwater volcanic activity

blower atmospheric pressure

crocks underground suddenly breaking

dstrong winds driving water onshore

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PYQ

Which of the following gases is consistently seen to be most abundant in a volcanic eruption?

aWater vapour

bCarbon Dioxide

cSulphur Dioxide

dHydrogen Sulphide

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PYQ

An elastic wave generated by an impulse such as an earthquake or an explosion is called _____.

aTectonic shift

bSound wave

cSeismic wave

dEpicenter

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PYQ

In the context of India, tropical cyclones originate over the _________

aArabian Sea

bPacific Ocean

cBay of Bengal

dMediterranean Sea

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PYQ

Which of the following is NOT a broad mitigation technique of landslide?

aConstruction of retention wall to stop land from slipping

bHazard mapping to locate areas prone to landslides

cReduction in the vegetation cover to arrest landslide

dThe surface drainage control works to control the movement of landslide along with rainwater and spring flows.

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