Which one of the following is a non-metallic mineral...? Mcqs

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Which one of the following is a non-metallic mineral...?

(A) Manganese
(B) Magnesium

(C) Gypsum
(D) Bauxite

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Cell death which is caused by external factor called ____...?

(A) Apoptosis
(B) Autolysis

(C) Necrosis
(D) Mitosis

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The permanent hardness of water is due to presence ______...?

(A) MgSO4
(B) Mg(HCO3)₂

(C) CA(HCO3)2
(D) All of these

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Which of the following will be attracted to the magnet...?

(A) An iron kettle
(B) A rubber ball

(C) A copper plate
(D) An elastic band

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What do you call the positive electrode of an electric cell...?

(A) Diode
(B) Anode

(C) Grid
(D) Cathode

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Deficiency of vitamin B1 is causes__________...?

(A) Rickets
(B) Bone Infection

(C) Beriberi
(D) Myopia

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What are Columns in Periodic table called...?

(A) Period
(B) Group

(C) Verticals
(D) Perpendiculars

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The outermost layer of the Earth is called ____________...?

(A) Crust
(B) Mental

(C) Core
(D) None of these

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The Oort cloud is estimated to be about __________ AU away from the sun...?

(A) 100,000
(B) 200,000

(C) 300,000
(D) 400,000

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The Blood Grouping Was Discovered by__________ ...?

(A) Robert Oppenheimer
(B) Karl Landsteiner

(C) Dr Hollerith
(D) None of them

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