A thermos flask keeps things close to their original temperature by reducing ____...? Mcqs

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A thermos flask keeps things close to their original temperature by reducing ____...?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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LPG consists of mainly:___________...?

(A) Methane, Ethane and Hexane
(B) Ethane, Hexane and Nonane

(C) Methane, Hexane and Nonane
(D) Methane, Butane and Propane

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A mirror which has a reflecting surface that curves inwards like the front side of the spoon is called ____...?

(A) Convex Mirror
(B) Concave Mirror

(C) Plane Mirror
(D) Parabolic Mirror

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The theorem "In a right-angle triangle, the area of the square of the hypotenuse is equal to the sum of the areas of the squares of the other two sides", was discovered by:...?

(A) Archimedes
(B) Pythagoras

(C) Isaac Newton
(D) Socrates

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Tooth decay is caused by...?

(A) Salt
(B) Sugar

(C) Calcium
(D) Formalin

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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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Edward Genner discovered ‘vaccine’ in___________...?

(A) 1796
(B) 1978

(C) 1686
(D) 1933

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The disease “Itai Itai “is caused by____________...?

(A) Carbon
(B) Cadmium

(C) Manganese
(D) None of these

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The stages of growth which an animal and plant passes through to reach the adult stage are called the...?

(A) Growth Cycle
(B) Life Cycle

(C) Development Cycle
(D) Reproductive Cycle

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What is the most abundant form of matter in the universe...?

(A) Plasma
(B) Liquid

(C) Gas
(D) Solid

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