Twinkling of stars is caused by ...? Mcqs

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Twinkling of stars is caused by ...?

(A) Reflection of light
(B) Polarization of light

(C) refraction of light
(D) Interference of light

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Latest MCQs

Pedosphere is sum of_____________...?

(A) Organisms
(B) Soil and water

(C) Air
(D) All of above

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Latest MCQs

Chromosomes with one arm very small and other very long called ____...?

(A) Metacentric
(B) Acrocentric

(C) Telocentric
(D) Submetacentric

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Latest MCQs

The large dark patches on the Moon’s surface are known as___________...?

(A) Dark matter
(B) Maria, or seas, even though there is no water on the Moon

(C) Maria, or seas, because they are filled with water
(D) Moon spots

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Latest MCQs

Bond formed by mutual sharing of electron is ______...?

(A) Ionic bond
(B) Coordinate covalent bond

(C) Covalent bond
(D) Metallic bond

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Which of the following diagram shows atoms are bonded with same electronegativity...?

(A) A -----:----- B
(B) A ----------: B

(C) A :---------- B
(D) A --:-------- B

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An iron nail/steel rod can be magnetize by...?

(A) By passing an electric current around it
(B) By heating it on a high flame

(C) By hammering
(D) By keeping it with an iron rod

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The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name...?

(A) Ionosphere
(B) Troposphere

(C) Stratosphere
(D) Mesosphere

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Which statement is true about the magnetic poles...?

(A) Unlike poles repel
(B) Like poles attract

(C) Magnetic poles do not effect each other
(D) A single magnetic pole does not exist

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Which one of the following act as oxidizing agent...?

(A) Be
(B) Mg

(C) Na
(D) Cl

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