Isotopes of an element are identical in ____...? Mcqs

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Isotopes of an element are identical in ____...?

(A) Mass number
(B) Electron number

(C) Valency
(D) Atomic number

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1 BTU(British thermal unit) is equal to___________...?

(A) 955 joules
(B) 990 joules

(C) 1055 joules
(D) 1211 joules

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Which is least Conductor of Electricity among the following...?

(A) Wood
(B) Copper

(C) Iron
(D) Water

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Blood which heart pumps to lungs is__________...?

(A) deoxygenated blood
(B) lymph fluid

(C) atria blood
(D) oxygenated blood

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A quantity that can be measured is called ____...?

(A) Physical Quantity
(B) Physical Constant

(C) Mathematical Quantity
(D) Standard Quantity

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Compressed Natural Gas (CNG) has the same chemical composition as that of _____...?

(A) LPG
(B) Tear gas

(C) Hydrogen
(D) Sui Gas

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The protein content in wheat is approximately...?

(A) 8%
(B) 6%

(C) 13%
(D) 17%

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The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...?

(A) Ionosphere
(B) Troposphere

(C) Mesosphere
(D) Stratosphere

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

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Magnification of a light microscope is formed by using mixture of the power of the eyepiece and the _____ lens....?

(A) Concave
(B) Convex

(C) Objective
(D) Mirror

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