What is the name of the gas used in an air conditioner...? Mcqs

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What is the name of the gas used in an air conditioner...?

(A) Ammonia
(B) Nitrous oxide

(C) Freon
(D) CO2

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Which of the following is not the organic bases of DNA...?

(A) Adenine
(B) Cytosine

(C) Thymine
(D) Uracil

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Ultra Microscopic viruses are the main cause of__________...?

(A) Malaria
(B) Measles

(C) Mumps
(D) Cholera

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Scurvy is caused due to the deficiency of ___________...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin C
(D) None of these

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The metal that is used as a catalyst in the hydrogenation of oils is _______...?

(A) Ni
(B) Pb

(C) Cu
(D) Pt

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Who invented “Aspirin” in 1897...?

(A) Barnard
(B) Newton

(C) Felix Hoffmann
(D) McLeod

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Which one is a scalar quantity...?

(A) Time
(B) Force

(C) Velocity
(D) Acceleration

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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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Scientists who forecasting weather by continuously tracking and predicting the path of tornadoes, hurricanes or floods are called...?

(A) Geologists
(B) Meteorologists

(C) Astronomers
(D) Oceanographers

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The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________...?

(A) Selection
(B) Introduction

(C) Acclimatization
(D) Quarantine

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