Pollutants that are introduced into the environment by human activity are called as ___________...? Mcqs

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Pollutants that are introduced into the environment by human activity are called as ___________...?

(A) Qualitative pollutants
(B) Quantitative pollutants

(C) Anthropogenic pollutant
(D) All of Above

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The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________....?

(A) Average height (H)
(B) Scale height (H)

(C) Mean height (H)
(D) Standard height (H)

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Most gases conduct electricity at:...?

(A) Normal pressure
(B) Very low pressure

(C) Very high pressure
(D) None of these

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What sub-class of neutron star is known for its extremely high magnetic field...?

(A) Magnetar
(B) Quasar

(C) Magneto
(D) Magnetta

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Which gas can turn lime water milky...?

(A) O2
(B) NO2

(C) CO2
(D) N2

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Yeast is used in making bread because it produces____________...?

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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The process of removing water in the form of vapour in the form of leaves is called...?

(A) Nutrition
(B) respiration

(C) perspiration
(D) transpiration

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Which of the following ocean is the warmest ocean of the world...?

(A) Indian Ocean
(B) Arctic Ocean

(C) North Pacific Ocean
(D) None of the above

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Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules...?

(A) Boyle’s law
(B) Charles’ law

(C) Gay-Lussac’s law
(D) Avogadro’s law

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Reflecting prisms usually work on the principle of total ____...?

(A) Internal Reflection
(B) External Reflection

(C) Refraction
(D) Diffraction

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