Second highest layer of Earth's atmosphere is _______...? Mcqs

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Second highest layer of Earth's atmosphere is _______...?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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When animals and plants are decayed in absence of air, there produces a gas called...?

(A) Natural Gas
(B) CNG

(C) LPG
(D) Biogas

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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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To measure the speed of an approaching car a police officer shines...?

(A) light waves on it
(B) microwaves on it

(C) radio waves on it
(D) ultra high frequency waves on it

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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

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If an object absorbs all entire component/seven colours of light, it appears in ________ colour....?

(A) White
(B) Black

(C) Dark
(D) Green

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Which Part of the Brain Regulates Body Temperature...?

(A) cerebellum
(B) cerebrum

(C) hypothalamus
(D) medulla

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The germination (bean seed) in which the cotyledons comes above the ground...?

(A) Hypogeal Germination
(B) Micropyle Germination

(C) Testa Germination
(D) Epigeal Germination

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The scientific study of spiders is called __________ ...?

(A) Arachnology
(B) Osteology

(C) Pomology
(D) None of these

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The unit of Kc for reaction N2 + O2 ⇌ 2NO...?

(A) mol dm^-3
(B) mol^-2 dm^6

(C) mol^-1dm3
(D) No unit

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