Vitamin B3 is also known as__________...? Mcqs

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Vitamin B3 is also known as__________...?

(A) Thiamine
(B) Riboflavin

(C) Niacin
(D) Retinol

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In human heart blood returning from lungs first drains into the _____...?

(A) Left atrium
(B) Left ventricle

(C) Right atrium
(D) Right ventricle

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Deficiency of __________ causes loss of appetite and poor growth...?

(A) zinc
(B) iodine

(C) copper
(D) iron

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Potassium nitrate is used in__________...?

(A) Medicine
(B) Fertilizer

(C) Salt
(D) Glass

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A device which converts chemical energy into electrical energy is called __________...?

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

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The properties used for heat...?

(A) Hot, Energy, Cold
(B) Color, Smell, Sound

(C) , Heavy, Light, Hard
(D) Circle, Square, Point

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Thermal energy can be transferred by ______...?

(A) Conduction
(B) Convection

(C) Radiation
(D) All of these

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The primary colors of light are _____...?

(A) 2
(B) 3

(C) 4
(D) 5

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Oranges are rich source of____________...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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New Born Baby Brain weight is about________...?

(A) 300 grams
(B) 400 grams

(C) 250 grams
(D) None of these

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