Primary cosmic rays are composed largely of very fast__________...? Mcqs

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Primary cosmic rays are composed largely of very fast__________...?

(A) Protons
(B) Neutrons

(C) Electrons
(D) Gamma rays

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The instrument used to measure wind speed is...?

(A) Anemometer
(B) Barometer

(C) Hydrometer
(D) Hygrometer

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Cooking gas is mixture of which two gases...?

(A) Hydrogen and oxygen
(B) Methane and CO2

(C) Methane and oxygen
(D) None of these

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UV light falls in the category of___________...?

(A) Ionizing Radiations
(B) Non Ionizing Radiation

(C) Visible light
(D) None

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Burning of Fossil Fuels Results In ____________...?

(A) Increased oxygen level
(B) Decreases greenhouse gases

(C) Increased greenhouse gases
(D) Increased ethane level

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Which Harmone contain iodine...?

(A) Thyroxine
(B) Insulin

(C) Adrenaline.
(D) None of these

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Endothermic reactions are those in which ________....?

(A) Heat is evolved
(B) Heat is absorbed

(C) Temperature increases
(D) Light is produced

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The human blood is divided into__________ groups...?

(A) Two groups
(B) Three groups

(C) Four groups
(D) Five groups

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure
(B) Air temperature

(C) Air density
(D) Wind speed

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All of the following are electromagnetic radiations except__________...?

(A) Red light
(B) Sound waves

(C) X-Rays
(D) Photon

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