The human brain uses__________ percent of the total oxygen and blood in the body...? Mcqs

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The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

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Select the mismatched one of the following...?

(A) Plantae → Pteridophyta
(B) Fungi → Mucor

(C) Protista → Paramecium
(D) Animalia → Amoeba

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Which of the following animal is secondary consumer...?

(A) Dog
(B) Cat

(C) Cow
(D) Both A and B

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Atom was a name given by ____________ ...?

(A) Democritus
(B) Bohr

(C) Rutherford
(D) Archimedes

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Sound cannot travel through __________...?

(A) Solid
(B) Liquid

(C) Gases
(D) Vaccum

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Burning of wood is a ______ change....?

(A) Chemical
(B) Physical

(C) Temporary
(D) Both A and B

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Which among the following is a good conductor of heat...?

(A) Wood
(B) Plastic

(C) Paper
(D) Copper

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The ________ system is the closest star system to our sun....?

(A) Promixa Centauri
(B) Alpha Centauri

(C) Red proxima Centauri
(D) None of these

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“Plague” is a disease, spread by...?

(A) Cow
(B) Cat

(C) Rat
(D) Dog

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If a body of mass 1 kg is moving with velocity of 1 m/sec. then K.E of the body will be...?

(A) 3 Joules
(B) 4 Joules

(C) 1/2 Joule
(D) 1 Joule

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