Our atmosphere consists of__________ CO2...? Mcqs

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Our atmosphere consists of__________ CO2...?

(A) 0.03 to 0.04% CO2
(B) 0.3 to 0.4% CO2

(C) 3 to 4% CO2
(D) None of these

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Cotyledons are very Important because they ________...?

(A) Store Food
(B) Store Water

(C) Store Air
(D) None of these

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Night vision is possible with the help of ___________...?

(A) Red light
(B) Violet light

(C) Infrared Rays
(D) Ultra violet Light

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___________ is a strong smelling agent added to LPG cylinders to detect leakage...?

(A) Nitrogen Peroxide
(B) Ethyl Mercaptan

(C) Carbon Monoxide
(D) Sulphur Dioxide

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What is the mass of the Sun...?

(A) 1.5×10 Power 30 Kg
(B) 1.98×10 Power 30 Kg

(C) 4.5×10 Power 30 Kg
(D) 8×10 Power 30 Kg

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Gravity setting chambers are used in industries to remove ________...?

(A) NOx
(B) SOx

(C) CO
(D) Suspended particulate matter

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What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

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What is the chemical name of Oil of Vitriol...?

(A) Hydrochloric Acid
(B) Sulphuric Acid

(C) Nitric Acid
(D) Muriatic Acid

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The term ‘Geography’ was coined first time by a Greek scholar _________ in 234BC...?

(A) Herodotus
(B) Thales of Miletus

(C) Eratosthenes
(D) Plato

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Nail polish remover contains___________...?

(A) Acetone
(B) Benzene

(C) Acetic acid
(D) Petroleum ether

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