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

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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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The process of removing water in the form of vapour in the form of leaves is called...?

(A) Nutrition
(B) respiration

(C) perspiration
(D) transpiration

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The energy released during fission or fusion reaction is called...?

(A) Solar energy
(B) Geothermal energy

(C) Tidal energy
(D) Nuclear energy

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The two factors that affect the speed of sound in air are ______...?

(A) Humidity and volume of the air
(B) Temperature and mass of the air

(C) Volume and mass of the air
(D) Temperature and humidity of the air

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Pressure is measured by_________...?

(A) barometer
(B) Voltmeter

(C) Lactometer
(D) Ammeter

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Second name of ethyl alcohol is___________...?

(A) Ethene
(B) Ethanol

(C) Propyle
(D) none

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The moment of inertia of an object does not depend upon:...?

(A) Mass of an object
(B) Mass distribution

(C) Angular velocity
(D) Axis of rotation

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In radio, what does the FM stands for...?

(A) Frequency modulation
(B) Frequency meter

(C) Fiber modulation
(D) Frequency Magnet

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The heat from Sun reaches to earth in form of waves called _____...?

(A) Conduction
(B) Radiation

(C) Convection
(D) None

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Copper can be converted into gold by ...?

(A) Artificial radioactivity
(B) heating

(C) Electroplating
(D) Chemical reaction

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