____________ contains 75–80 % of the mass of the atmosphere....? Mcqs

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____________ contains 75–80 % of the mass of the atmosphere....?

(A) Stratosphere
(B) Mesosphere

(C) Thermosphere
(D) Troposphere

Latest MCQs

What is the addictive drug in tobacco ______________...?

(A) Ethanol
(B) Nicotine

(C) Ammonia
(D) Tar

Latest MCQs

Nuclei having the same nuclear charge but different masses are called ____...?

(A) Isobars
(B) Isotopes

(C) Isoelectronic
(D) Isomers

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Two resistances of 6 Ω and 12 Ω are connected in parallel. Their net resistance is ______...?

(A) 7 Ω
(B) 6 Ω

(C) 4 Ω
(D) 5 Ω

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The elements in ecosystem recycle through organisms with environment is called ____...?

(A) Food chain
(B) Food web

(C) Chemical cycle
(D) Biogeochemical

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Non-metals of ____ group are gases....?

(A) VI-A
(B) VII-A

(C) VIII-A
(D) VIII-B

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Defeciency of following vitamin decreases hemoglobin production ...?

(A) Biotin
(B) Thiamine

(C) Niacin
(D) Pyridoxine

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The eggs of the following fish is sinking...?

(A) Tilapia
(B) Gulfam

(C) Rohu
(D) Trout

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A body is in neutral equilibrium when its center of gravity _______...?

(A) Is at the lowest position
(B) Remains at same height

(C) Is at highest position
(D) Is at its base

Latest MCQs

What is the temperature at the center of the Sun...?

(A) 6 million °C
(B) 10 million °C

(C) 15 million °C
(D) 20 million °C

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