Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....? Mcqs

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Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....?

(A) Mass of vertical column of atmospheric gases
(B) Mass of horizontal column of atmospheric gases

(C) Weight of vertical column of atmospheric gases
(D) Mass of vertical and weight of horizontal of atmospheric gases

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Electrostatic precipitator is used to control...?

(A) Air pollution
(B) Water pollution

(C) Solid waste
(D) Noise pollution

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The moon’s surface is constantly bombarded by...?

(A) Comets
(B) UV light

(C) Meteoroids
(D) All of the above

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Asthma is due to the exposure to a type of environment pollution Which one...?

(A) Air
(B) Water

(C) Land
(D) None

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The planet that moves round the Sun at the highest speed is_________...?

(A) Jupiter
(B) Venus

(C) Mars
(D) Mercury

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Water is a good solvent of ionic salts because:...?

(A) It has a high specific heat
(B) It has no colour

(C) It has a high dipole moment
(D) None of these

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Gland responsible for heightened emotions is...?

(A) Pituitary gland
(B) Thoiroid gland

(C) Adrenal gland
(D) None of these

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The time period of a pendulum when taken to the Moon would...?

(A) remain the same
(B) decrease

(C) become zero
(D) increase

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A force that stops things from moving easily is known as:...?

(A) Fraction
(B) Friction

(C) Fission
(D) Flocculation

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Frog eggs are also called...?

(A) Spawn
(B) Froglet

(C) Tadpoles
(D) Adult

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