Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________...? Mcqs

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Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________...?

(A) Electromagnetic force and gravitational force
(B) Electromagnetic force and weak nuclear force

(C) Gravitational force and weak nuclear force
(D) Weak nuclear force and strong nuclear force

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Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide
(B) Chlorofluorocarbons

(C) Nitrogen oxides
(D) Methane

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How many proton and neutron are present in the nucleus of Tritium isotope...?

(A) 2 and 1
(B) 1 and 2

(C) 3 and 2
(D) 4 and 1

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A device that opposes the flow of electrons in electronic circuits is called...?

(A) Transformer
(B) Diode

(C) Transistor
(D) Resistor

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Sequence of physiological changes by which cell commit suicide...?

(A) Apoptosis
(B) Necrosis

(C) Autophagy
(D) Both A and B

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

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During a total solar eclipse there is most likely to be_____________...?

(A) A decrease in the rate of photosynthesis
(B) An increase in the rate of photosynthesis

(C) A decrease in the rate of respiration
(D) No effect on either photosynthesis or respiration

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The general formula for alkanes is _____...?

(A) CnH2n
(B) CnH2n+1

(C) CnH2n+2
(D) CnH2n-1

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1 Coulomb = ___________ e....?

(A) 6×10-19
(B) 6.25×1018

(C) 1.6×1019
(D) 6.25×10-18

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Larva of a bee is also called...?

(A) Egg
(B) Pupa

(C) Adult
(D) Grub

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