A thick layer of air that surrounds the earth is known as...? Mcqs

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A thick layer of air that surrounds the earth is known as...?

(A) Ozone
(B) Atmosphere

(C) Stratosphere
(D) Hydrosphere

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Latest MCQs

Carbon,Diamond and Graphite are together called:___________...?

(A) Allotrope
(B) Isomers

(C) Isomorphs
(D) Isotopes

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Latest MCQs

An agreement between a measured value and the accepted true value...?

(A) Error
(B) Accuracy

(C) Precision
(D) All of these

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Latest MCQs

Seedless vascular plants are...?

(A) Bryophytes
(B) Gymnosperms

(C) Pteridophytes
(D) None of these

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The day and night are formed due to 'Earth' rotation on its axis from...?

(A) North to south
(B) South to North

(C) West to East
(D) East to West

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A telescope is an instrument that gathers _______ from distant sources....?

(A) Sound
(B) Light

(C) Heat
(D) Water

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How many muscles in human body...?

(A) 632
(B) 639

(C) 642
(D) None of these

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Which of the following is a positively charged particle emitted by a radioactive element...?

(A) Beta Rays
(B) Alpha Rays

(C) Gamma Rays
(D) None of these

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An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

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Persistance of vision is the principle behind...?

(A) Camera
(B) Spectroscope

(C) Cinema
(D) Periscope

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