Heating element of an electric heater is made up of___________...? Mcqs

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Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

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Goitre is associated with___________...?

(A) Pituitary gland
(B) Thyroid gland

(C) Thymus gland
(D) Para-Thyroid gland

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Which of the following source of energy is caused by uneven heating of earth’s surface...?

(A) Wind
(B) Solar

(C) Biomass
(D) None of these

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What inspired reflecting road lights to be invented...?

(A) Car door reflecting mirrors
(B) The light a cat’s eyes gave off on a fence

(C) Sun light on steel posts on road sides
(D) The sun light on the windshield

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Second name of ethyl alcohol is___________...?

(A) Ethene
(B) Ethanol

(C) Propyle
(D) none

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Black gold is an oil; Black diamond is_________...?

(A) Copper
(B) Iron

(C) Coal
(D) Wood

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Brass gets discoloured in air because of the presence of which of the following gases in air ________ ...?

(A) Carbon dioxide
(B) Oxygen

(C) Nitrogen
(D) Hydrogen sulphide

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All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

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Which of the following is not a part of Darwinism...?

(A) Over production
(B) Natural selection

(C) Inheritance for acquired characters
(D) Competition for survival

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Carbon dioxide was discovered by_______...?

(A) Niels Bohr
(B) Amedeo Avogadro

(C) Joseph Black
(D) None of Above

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