What are the primary colors of Pigment...? Mcqs

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What are the primary colors of Pigment...?

(A) White, Black, Blue
(B) Red, Yellow, Blue

(C) Red, Orange, Blue
(D) Red, Green, Blue

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Which of the following can be used to reduce friction between moving parts of machines...?

(A) Sand
(B) Grease

(C) Gears
(D) Screws

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Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

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Latest MCQs

The weight of an average human male brain is about...?

(A) 1 gr
(B) 1200 gr

(C) 1350 gr
(D) 1500 gr

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The turn ratios of a transformer is 10. It means ______...?

(A) Is = 10 Ip
(B) Np - 10Ns

(C) Ns = 10 Np
(D) Vs = 10 Vp

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The total energy of revolving electron in an atom_____________...?

(A) Will always be positive
(B) Can never be positive

(C) Can have any value above zero
(D) Cannot be negative

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The toxicity of which of the following heavy metals leads to Liver cirrhosis...?

(A) Copper
(B) Lead

(C) Mercury
(D) Zinc

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What is the Chemical formula of Zinc Hydroxide _________ ...?

(A) Zn(OH)2
(B) ZNO2

(C) Zn2(OH)3
(D) ZnOH

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In a dihybrid cross, which Law of Mendelian genetics is illustrated when two pairs of contrasting traits are crossed and segregated independently...?

(A) Law of Segregation
(B) Law of Independent Assortment

(C) Law of Dominance
(D) Law of Incomplete Dominance

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In mercury thermometer, mercury of bulb expands and rises in the tube which has linear scale...?

(A) -20°F - 100°F
(B) 35°F - 105°F

(C) 100°F - 120°F
(D) 94°F - 108°F

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