Air contains maximum amount of__________...? Mcqs

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Air contains maximum amount of__________...?

(A) oxygen
(B) nitrogen

(C) hydrogen
(D) carbon dioxide

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Spring tides occur on new moon and full moon days because on these days_____________...?

(A) Sun, moon and earth are in a straight line
(B) Sun and earth are at right angles

(C) Sun and moon are at right angles
(D) Earth and moon are at right angles

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Which is least Conductor of Electricity among the following...?

(A) Wood
(B) Copper

(C) Iron
(D) Water

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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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Fisher unit is used to measure...?

(A) Protein content
(B) Flour color

(C) Damaged starch
(D) Flour particle size

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International date line passes through which strait...?

(A) Malacca Strait
(B) Adam Strait

(C) Bering Strait
(D) Java Strait

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Earth's magnetic field always has a horizontal component except at...?

(A) Equator
(B) Magnetic pole

(C) At 60*latitude
(D) None of these

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Which of the following noble gases is abundant in air...?

(A) Neon
(B) Helium

(C) Argon
(D) Methane

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Which one of the following decreases along the period...?

(A) Ionization Energy
(B) Atomic Radius

(C) Electronegativity
(D) Electron Affinity

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The process which is essential for continuing and survival of species is __________...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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