Which metal pollute the air of a big city...? Mcqs

Latest MCQs

Which metal pollute the air of a big city...?

(A) Copper
(B) Chromium

(C) Lead
(D) Cadmium

Latest MCQs

Which of the following ocean is the least polluted ocean of the world...?

(A) Arctic Ocean
(B) Indian Ocean

(C) South Pacific
(D) None of the above

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Which of the following is used to control rods in nuclear fission...?

(A) Graphite
(B) Heavy Water

(C) Cadmium
(D) All of these

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Which of the following vitamin is known as Pantothenic acid...?

(A) vitamin B-1
(B) vitamin B-2

(C) vitamin B-3
(D) vitamin B-5

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Fraction is a force which always opposes...?

(A) Gravity
(B) Motion

(C) Electromagnetism
(D) Inertia

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The breakdown of food molecules to release energy is called...?

(A) Photosynthesis
(B) Fermentation

(C) Respiration
(D) Mitosis

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How many latitude lines are there...?

(A) 90
(B) 180

(C) 270
(D) 360

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Alzheimer’s disease in human beings is characterized by the degeneration of _______...?

(A) Kidney cells
(B) Nerve cells

(C) Liver cells
(D) Spleen cells

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The soul of chemistry is dealing with___________...?

(A) Internal structural changes in matter
(B) Composition of matter

(C) Properties of matter
(D) Composition and properties of matter

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Dr. James Watson discovered the structure of DNA in __________...?

(A) 1953
(B) 1955

(C) 1957
(D) 1857

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