Substance used in match sticks ...? Mcqs

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Substance used in match sticks ...?

(A) Sulphur
(B) Zinc

(C) Acid
(D) Phosphorus

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Latest MCQs

A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

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Latest MCQs

How many chambers are in the human heart ...?

(A) 02
(B) 03

(C) 04
(D) 05

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Latest MCQs

The most abundant constituent in Air is ______...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Carbon Dioxide

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Latest MCQs

Naturally occurring enzyme used as a defense chemical by bacteria ______...?

(A) Defense protein
(B) Restriction enzyme

(C) Hydrolytic enzyme
(D) Ligase enzyme

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Total volume of blood in a normal adult human being is...?

(A) 5-6 liters
(B) 3-4 liters

(C) 8-10 liters
(D) 10-12 liters

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Haris is addicted to a drug , which left the following effect on Haris: 1. Blurred vision 2. Making unseen faces in imagination 3. Euphoria. Identify the drug, to which Haris is addicted...?

(A) Narcotics
(B) Hallucinogen

(C) Antibiotics
(D) Antiseptic

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Density of Ice is_________...?

(A) 800kg/m3
(B) 917kg/m3

(C) 930kg/m3
(D) 1000kg/m3

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Common food sources of Vitamin A are:___________...?

(A) Milk, eggs, butter, cheese, cream, and liver
(B) White sugar, honey, and sugar cane

(C) Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
(D) Both A and C

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‘Black holes’ refers to_______________...?

(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun

(C) Collapsing object of high density
(D) Collapsing object of low density

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