Which of the following constituents of pollutant exhaust in hazardous to man...? Mcqs

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Which of the following constituents of pollutant exhaust in hazardous to man...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Lease particles
(D) Carbon particles

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Latest MCQs

Which colour has largest wavelength in the spectrum of white light...?

(A) Violet
(B) Green

(C) Red
(D) Blue

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Latest MCQs

A _______ with a rod, called an axle, through its center lifts or moves loads....?

(A) Wheel
(B) Pulley

(C) Lever
(D) Inclined Plane

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Latest MCQs

The example of stem which run horizontally on surface of soil to produce vegetatively...?

(A) Mint
(B) Ginger

(C) Onion
(D) Bryophyllum

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Animal and Plant bodies contain ________ of water....?

(A) 75%
(B) 72%

(C) 70%
(D) 73%

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The condition for the validity of Ohm's law is that the ______...?

(A) Temperature should remain constant
(B) Current should be proportional to voltage

(C) Resistance must be wire wound type
(D) All of the above

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The process of separating a soluble solid from a solution is known as...?

(A) Distillation
(B) Filtration

(C) Sublimation
(D) Crystallization

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Dinosaurs and many other species were extinct about ________ years ago....?

(A) 55 million
(B) 66 million

(C) 75 million
(D) 85 million

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Energy possessed by water in a dam is ...?

(A) Electrical energy
(B) Mechanical energy

(C) Kinetic energy
(D) Potential energy

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What kind of weathering takes place on the valley side above the surface of the glacier...?

(A) Plucking
(B) Abrasion

(C) Chemical weathering
(D) Frost shattering

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