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Which star is nearest to the earth ?

Sun
Sirius A
Sirius B
Centauri

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Which instrument is used for measuring temperature ?

Speedometer
Thermometer
Barometer
None of the above

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What is the SI unit of temperature ?

Celsius
Fahrenheit
Rankine
Kelvin

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0(zero) kelvin equals to -273.12 Degree Celsius. 0(zero) kelvin is also known as absolute zero.

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Who invented telephone ?

Nill
Newton
Alexander graham bell
Pascal

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Alexander Graham Bell (March 3, 1847 - August 2, 1922) was a pioneer in the field of telecommunications.He was a scientist, engineer and innovator who is credited with inventing the first practical telephone.

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What is the S.I unit of electric current ?

Ohm
Watt
Ampere
Meter

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Which chemical element is represented by the symbol 'N' ?

Nitrogen
Potassium
Sodium
Nickel

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Nitrogen is a chemical element that has the symbol N and atomic number 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless and tasteless gas at standard conditions, constituting 78% by volume of Earth's atmosphere.

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Malaria is spread by

Rats
Cockroaches
Mosquitoes
Birds

Anopheles.jpeg

Malaria is spread by being bitten by an infective female Anopheles mosquito. There are approximately 460 recognised species of Anopheles out of which 100 can transmit malaria.

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Which organism is associated in making the soil fertile ?

Ringworm
Rats
Earthworm
None of the above

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They convert a large pieces of organic matter into rich humus, and thus improve soil fertility.

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What is the chemical name of "Chalk" ?

Calcium Carbonate
Zinc Chloride
Calcium Hydroxide
Sodium Hydroxide

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Chalk is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite.

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Who is credited for the discovery of genetics and also known as the "father of modern genetics" ?

Isaac Newton
Niels Bohr
Gregor Mendel
Nikola Tesla

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The significance of "Gregor Johann Mendel's" work was not recognized until the turn of the 20th century. The independent rediscovery of these laws formed the foundation of the modern science of genetics.

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