Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...? Mcqs

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Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?

(A) John Dalton
(B) William Thomson

(C) Albert Einstein
(D) James Prescott Joule

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Cotton contains ______ cellulose....?

(A) 30%
(B) 65%

(C) 85%
(D) 95%

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The abrasives are ______...?

(A) Water
(B) Water insoluble minerals

(C) Water semi soluble minerals
(D) Water absorving minerals

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Second highest layer of Earth's atmosphere is _______...?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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Which led to the diversification of life...?

(A) Mesozoic Era
(B) Paleozoic Era

(C) Cenozoic Era
(D) Precambrian Time

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The sun’s atmosphere is divided into following three parts:-...?

(A) the photosphere, the leutosphere , and the corona
(B) the photosphere, the chromosphere, and the scislophere

(C) the photosphere, the chromosphere, and the corona
(D) None of the above

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The outermost layer of skin is the__________...?

(A) endodermis
(B) dermis

(C) epidermis
(D) hypodermis

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At which temperature does bacteria die...?

(A) 102F
(B) 106F

(C) 149F
(D) None of These

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Density of Ice is_________...?

(A) 800kg/m3
(B) 917kg/m3

(C) 930kg/m3
(D) 1000kg/m3

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Two bulbs are connected in a series circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Will glow brighter
(B) Also blow (blast)

(C) Remains same
(D) Will glow dimmer

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