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.Management Sciences
Category: Everyday Science Mcqs
Ozone layer prevents ______________ radiation from entering the atmosphere?
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A. Infra-red
B. Ultraviolet
C. X-rays
D. Gamma rays
E. None of these
Radio waves are used in Radar similarly which wawes are used in Sonar ?
A: Radio wawes
B: Infrared wawes
C: Ultrasonic wawes
D: Supersonic wawes
GK Forum@Fb.com
All of the following statements are incorrect except:
A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experiment
In which layer of atmosphere does commercial aircrafts usually fly?
A. Stratosphere
B. Troposphere
C. Mesosphere
D. Thermosphere
General Science
Almost 20℅ of oxygen in the world is produced by ___?
a Sea water
b Amazon Forest
c Sahara Forest
d None of them
Bore is caused by______?
A. Rising tide while meeting river currents
B. Friction from prevailing winds
C. Spring tide and strong winds
D. Unequal heating of oceans
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