The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...? Mcqs

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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Bromine is a___________________...?

(A) black solid
(B) red-brown liquid

(C) colourless gas
(D) highly inflammable gas

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which of the following planets has no moons ...?

(A) Mars
(B) Neptune

(C) Venus
(D) None of these

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Which one of the following is non-biodegradable material...?

(A) Plastic
(B) Manure

(C) Wood
(D) Cotton

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Which of the following cannot be polarized...?

(A) Radio waves
(B) Ultraviolet rays

(C) X-rays
(D) Ultrasonic waves

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The phenomenon of dispersion light can be observed experimentally by passing a white light through ____...?

(A) Lens
(B) Prism

(C) Mirror
(D) Grating

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A body of land that is surrounded by water on three sides is called________...?

(A) Strait
(B) Bay

(C) Peninsula
(D) Gulf

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Which salts are excessively dissolved to make temporary hard water...?

(A) CaSO4 and CaCl2
(B) KNO3 and KOH

(C) CaCO3 and Ca(OH)2
(D) Ca(HCO3)2 and Mg(HCO3)2

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What occurs when light bounces off a shiny surface...?

(A) Refraction
(B) Diffraction

(C) Reflection
(D) Absorption

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The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ________ ...?

(A) Dermatology
(B) Dormatology

(C) Deontology
(D) Dermatoglyphics

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