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

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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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Which Planet is also known as Winter Planet...?

(A) Mercury
(B) Earth

(C) Jupiter
(D) Uranus

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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The brightest colour emitted by the sun is:...?

(A) Violet
(B) Yellow-Green

(C) Green- Blue
(D) Red

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Which one is Natural Satellite...?

(A) Sun
(B) Moon

(C) Venus
(D) Mercury

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The point that lies directly above the source of an earthquake is known as _______________ ...?

(A) Earthquake Center
(B) Epicenter

(C) Gravitational Center
(D) Geological Center

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Which isotope is used to determine the accumulation rates of pollutants in layers of soil...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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First antibiotic was extracted from a _________...?

(A) Bacteria
(B) virus

(C) Fungus
(D) None of these

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Which one of the following tablets are used for water purification...?

(A) Aspirin
(B) Antibiotic

(C) Vitamin C
(D) Halazone

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Which isotope is used to study the uptake of phosphorus containing fertilizers...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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