The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...? Mcqs

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The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...?

(A) Air pollution
(B) Ozone depletion

(C) Acid rain
(D) Greenhouse effect

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Which among the following is a good conductor of heat...?

(A) Wood
(B) Plastic

(C) Paper
(D) Copper

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Transistor is a device that convert weak signal into__________...?

(A) small signal
(B) strong signal

(C) both
(D) none

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Stimulus is detected by ______...?

(A) Receptor
(B) Effector

(C) Nerve
(D) All of these

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The step-up transformer ______...?

(A) Increases the input current
(B) Increases the input voltage

(C) Has more turns in the primary
(D) Has less turns in the secondary coil

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Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ...?

(A) CT-Scan
(B) Ultrasound

(C) MRI
(D) X-Ray

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Name the Scientist who stated that matter can be converted into energy...?

(A) Boyle
(B) Einstein

(C) Avogadro
(D) Lavoisier

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Air contains volume of carbon dioxide approximately...?

(A) 3%
(B) 33%

(C) 0.3%
(D) 0.03%

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How many planets in Solor Syestem...?

(A) 4
(B) 5

(C) 6
(D) 8

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According to kinetic molecular theory, the pressure exerted by a gas is caused by the _______...?

(A) Bombardment of the gas molecules on the walls of the container
(B) Collision between gas molecules

(C) Large distances between gas molecules
(D) Random motion of the gas molecules

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