Which of the following vitamin is known as Niacin...? Mcqs

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Which of the following vitamin is known as Niacin...?

(A) vitamin B-6
(B) vitamin B-12

(C) vitamin B-1
(D) vitamin B-3

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In which system of units, gas bills are charged...?

(A) SI
(B) CGS

(C) BTU
(D) CNG

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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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What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...?

(A) It would remain the same
(B) It would increase by a factor of 2sqrt{2}2​

(C) It would double
(D) It would decrease by a factor of 2sqrt{2}2

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The element used in lead pencils is__________...?

(A) Zinc
(B) Lead

(C) Carbon
(D) Tin

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Dielectric constant of water is...?

(A) 60
(B) 70

(C) 80
(D) None of these

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What is the large organelle that fills with cell sap and contains water and dissolved substances like sugar and salt...?

(A) Nucleus
(B) Mitochondria

(C) Large Vacuole
(D) Golgi Apparatus

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The electric field can be detect ______...?

(A) Photon
(B) Neutron

(C) Proton
(D) Electron

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The Shape of earth is _________...?

(A) Elliptical
(B) Oblate Spheroid

(C) Oval
(D) Spherical

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De Broglie extend the wave particle duality to electron in ______...?

(A) 1920
(B) 1922

(C) 1923
(D) 1925

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