In a typical H-R diagram, stars are graphed by these two characteristics:...? Mcqs

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In a typical H-R diagram, stars are graphed by these two characteristics:...?

(A) Temperature and luminosity
(B) Luminosity and distance

(C) Distance and temperature
(D) Size and distance

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What is unit of conductivity...?

(A) Ohm
(B) Watt

(C) mho
(D) None of these

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Speed of sound in air is _______km/h...?

(A) 1347
(B) 243

(C) 1235
(D) 1495

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The main cause of floods in the river is__________...?

(A) Heavy snowfall
(B) Earthquakes

(C) Deforestation
(D) Construction of dams

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Milk tastes sour when kept in the open for sometime due to the formation of __________...?

(A) lactic acid
(B) citric acid

(C) acetic acid
(D) carbonic acid

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Matter changes state from solid to liquid and from liquid to gases, when it...?

(A) Loses energy
(B) Gains energy

(C) Remains same energy
(D) Has constant temperature

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How many daughter cells are produced from mitosis...?

(A) Two
(B) One

(C) Four
(D) Five

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The part of brain involved in balance and precision in movements is: __________...?

(A) Cerebrum
(B) Cerebellum

(C) Thalamus
(D) Medulla oblongata

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______________ is used for measuring velocity...?

(A) Speedometer
(B) Anemometer

(C) Odometer
(D) Hygrometer

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All of the following substances are crystalline except_____________...?

(A) Ice
(B) Diamond

(C) Sucrose
(D) Plastic

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