Which led to the diversification of life...? Mcqs

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Which led to the diversification of life...?

(A) Mesozoic Era
(B) Paleozoic Era

(C) Cenozoic Era
(D) Precambrian Time

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Latest MCQs

Which of the following is/are characteristics of amphibians...?

(A) Lives on/in land/water
(B) Cold-blooded

(C) Moist skin
(D) Both A and B

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Bile is manufactured and stored by which organ...?

(A) Stomach
(B) Pancreas

(C) Liver
(D) Gallbladder

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Lack of increase in pollution is due to _____...?

(A) Decreased industrial activity
(B) Increased deforestation

(C) Increased use of fossil fuels
(D) Lack of environmental regulations

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The angle of incidence of a ray for which the angle of refraction is 90° is called ____...?

(A) Refracted Angle
(B) Critical Angle

(C) Incident Angel
(D) Angle of Deviation

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?

(A) An equal and opposite pressure acts from inside
(B) of the height of a man

(C) of gravity
(D) Earth pulls the man upward

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Atoms which lose electrons will become positively charged ion and they are known as...?

(A) Anions
(B) Ions

(C) Cations
(D) Isotopes

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Which is the best indication that a chemical reaction has taken place...?

(A) Blue powder turns water blue
(B) Metal budding when placed in an unknown liquid

(C) A white substance dissolving in water
(D) None

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Who is the inventor of the first magnetic resonance imaging (MRI) machine...?

(A) Godfrey Hounsfieldv
(B) Mattias Schleiden

(C) Raymond Damadian
(D) Theodore Schwann

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