everyday science MCQs – Page 69

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs

1361. Gales occur when the wind moves at the speed of _____ ?
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A. 35 km/h

B. 55 km/h

C. 75 km/h

D. 100 km/h

1362. Mach number is used in connection with the speed of___________?
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A. aircraft

B. Sound

C. Ship

D. Light

1363. When were blue jeans invented in _________?
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A. 1900s

B. 1850s

C. 1870s

D. 1860s

1364. Which of the following ocean is the most polluted ocean of the world?
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A. Indian Ocean

B. None of the above

C. Arctic Ocean

D. North Pacific Ocean

1365. Which planet is losing its atmosphere at faster than the earth?
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A. Venus

B. Mecury

C. Jupiter

D. Mars

1366. Sound of frequency below 20 Hz is:___________?
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A. Audiosonic

B. Ultrasonic

C. Infrasonic

D. Supersonic

1367. Animal without red blood cells is_________ ?
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A. Snake

B. Frog

C. Crocodile

D. Earthworm

1368. Which of the following are Biodegradable ___________?
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A. None of these

B. Dead Plants

C. ans

D. Glass

1369. Carbon dioxide was discovered by_______?
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A. Amedeo Avogadro

B. Niels Bohr

C. Joseph Black

D. None of Above

1370. Medium sized kidney stones are removed by__________?
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A. Laser

B. Lithotripsy

C. Dialysis

D. Excretion

1371. The period of revolution of a geostationary satellite is?
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A. changing continuously

B. 365 days

C. 30 days

D. 24 hours

1372. An egg sinks in soft water but floats in a concentrated solution of salt because?
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A. egg absorbs salt from the solution and expands

B. water has high surface tension

C. the density of salt solution exceeds the density of eggs

D. albumin dissolves in salt solution and egg becomes lighter

1373. Classification of Animals and Plants on the basis on chromosome number is called________?
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A. Ecology

B. Botany

C. Taxonomy

D. None of these

1374. Which types of waves are used in a night vision apparatus ?
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A. Radio Waves

B. Infrared Waves

C. Magnetic waves

D. Micro Waves

1375. Which type of reaction produces the most harmful radiation?
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A. Chemical reaction

B. Fission reaction

C. Photo-Chemical reaction

D. Fusion reaction

1376. Which of the following is not a fat soluble vitamin?
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A. Vitamin K

B. Vitamin B complex

C. Vitamin D

D. Vitamin A

1377. As you go down into a well, your weight__________?
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A. None of these

B. Remains the same

C. Slightly decreases

D. Slightly increases

1378. Which of the following is called smallest, shallowest and coldest ocean of the world?
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A. Arctic Ocean

B. Indian Ocean

C. Pacific Ocean

D. None of the above

1379. Which of the following is the lightest substance?
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A. Nitrogen

B. Uranium

C. Hydrogen

D. Oxygen

1380. How many teeth does a dog have?
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A. 46

B. 45

C. 47

D. 42

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