What is the main component of bones and teeth...? Mcqs

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What is the main component of bones and teeth...?

(A) Calcium carbonate
(B) Calcium phosphate

(C) Calcium sulphate
(D) Calcium nitrate

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The molecular mass of Water molecule is __________...?

(A) 16amu
(B) 17amu

(C) 18amu
(D) 20amu

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According to Einsteins general theory of relativity the universe:________________...?

(A) Must be expanding
(B) Must be contracting

(C) Must be either expanding or contracting
(D) Must be neither expanding nor contracting

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Which component of diet helps in preventing constipation ...?

(A) Proteins
(B) Fats

(C) Fiber
(D) Carbohydrates

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High solubility of fertilizers also degrades ecosystem through _____...?

(A) Acidification
(B) Erosion

(C) Salinity
(D) Eutrophication

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Another name for our voice box is _________...?

(A) Larynx
(B) Pharynx

(C) Trachea
(D) Mouth

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The Sun is a __________...?

(A) Star
(B) Planet

(C) Asteroid
(D) Meteor

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Joint in which bones are joined together by fibrous tissues is called _____________ ...?

(A) Fibrous joint
(B) Cartilaginous joint

(C) Synovial joint
(D) Ball and socket joint

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Myopia is a disease connected with_________...?

(A) Ears
(B) Eyes

(C) Lungs
(D) Brain

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The Earth takes ______ to revolve around the sun....?

(A) 365 days and 4 hours
(B) 365 days and 6 hours

(C) 365 days and 8 hours
(D) 365 days and 10 hours

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