everyday science Mcqs
1351. Which is the most abundant element in the atmosphere?
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A. Nitrogen

B. Oxygen

C. Hydrogen

D. Nickle

1352. vitamin D is chemically know as_________ ?
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A. Tocopherol

B. None of these.

C. Calciferol

D. Retinol

1353. Balloons are filled with _________ ?
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A. Oxygen

B. Helium

C. Nitrogen

D. Argon

1354. Gamma rays have greatest similarity with?
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A. X-rays

B. a-rays

C. U.V.-rays

D. b-rays

1355. Sunsets on Mars are _________?
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A. Blue

B. Yellow

C. Red

D. Orange

1356. A pulsar is actually a___________?
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A. Neutron star

B. White dwarf

C. Black hole

D. Red giant

1357. Atomic power plant works on the principle of?
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A. fusion

B. fission

C. combined effect of all the above three

D. thermal combustion

1358. Blood is cleaned by __________?
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A. Kidneys

B. Lungs

C. Heart

D. Liver

1359. Which of these is NOT an example of a renewable energy source?
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A. Wind energy

B. Hydroelectric power

C. solar

D. Coal
1360. To which of the following chambers of the heart, is the aorta connected?
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A. Left auricle

B. Left ventricle

C. Right auricle

D. Right ventricle

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
1381. Human eye is how many Megapixels?
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A. 720 MP

B. 576 MP

C. 1080 MP

D. 570 MP

1382. Cotyledons are very Important because they ________?
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A. None of these

B. Store Food

C. Store Air

D. Store Water

1383. How many moons does Saturn have?
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A. 13

B. 27

C. 7

D. 82
1384. What was the first planet to be discovered using a telescope?
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A. Mercury

B. Uranus

C. Venus

D. Jupiter

1385. Which of the following is caused by bacteria?
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A. Cancer

B. None of these

C. Malaria

D. Tetanus
1386. Where is the dirtiest skin of our body is located?
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A. None of these

B. Feet

C. Hands

D. Face
1387. For glavinizing of iron which of the following metals is used ?
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A. Aluminimum

B. Lead

C. Zinc

D. Copper

1388. A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?
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A. in front of him

B. behind him

C. into his hand

D. by his side

1389. Boiling point of pure water is __________?
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A. 97C

B. 100C

C. None of these

D. 90C

1390. Vitamin C is essential for___________?
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A. Brain

B. Muscles

C. Appetite

D. Growth & repairing of tissues
1391. Vitamins were discovered by__________?
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A. Frank Whittle

B. Casimir Funk

C. Moesley

D. Chadwick

1392. Inflammation of liver is caused by____________?
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A. Jaundice

B. Typhoid

C. Hepatitis

D. Cholera

1393. Bt seed is associated with:___________?
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A. Oilseed

B. Cotton

C. Rice

D. Wheat

1394. Change of state form liquid to solid is _________?
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A. Boiling

B. Freezing

C. Evaporation

D. None of these

1395. The cause for the Tsunami, as deduced by the seismologists, is?
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A. low pressure trough in the ocean

B. deformation of sea floor and vertical displacement of water

C. gravitational pull of the moon

D. sudden change in the monsoon wind

1396. The andromeda Galaxy is which type of the following types of galaxies ?
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A. Spiral

B. Elliptical

C. None of these.

D. Irregular

1397. Which of the following is solid?
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A. Stone

B. Both

C. Water

D. None

1398. Instrument of rain gauge is _________?
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A. Ombrometer

B. Micrometer

C. Drosometer

D. Pyrometer

1399. Which layer of the atmosphere lies close to the earth?
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A. Troposphere

B. Thermosphere

C. Stratosphere

D. Mesosphere

1400. The size of Covid-19 virus is______?
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A. 25-30KB

B. 29-30KB

C. 28-30KB

D. None of these