What is the percentage of water present in our brain...? Mcqs

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What is the percentage of water present in our brain...?

(A) 85%
(B) 95%

(C) 97%
(D) 73%

Latest MCQs

The audible range of normal elephant ear is ______...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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Which of the following pollutants in water causes “Minamata disease...?

(A) Methyl Mercury
(B) Lead

(C) Salmonella
(D) Perchlorate

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Which of the following in human body is involved in controlling blood sugar level...?

(A) Pitutary glands
(B) Islets of Langerhans

(C) Hypothalamus
(D) Spleen

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Year is longest on:___________...?

(A) Jupiter
(B) Earth

(C) Mercury
(D) Mars

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The spray bottles used as window or household cleaner or perfume spray works on: __________...?

(A) Capillary action
(B) Bernoulli’s Principle

(C) Pascal’s Law
(D) Stoke’s Law

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What melted rock eventually becomes lava...?

(A) Iron
(B) Metals

(C) Magma
(D) Coal

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Matter exists in______ states....?

(A) One
(B) Three

(C) Five
(D) None of these

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Mach number is used in connection with the speed of___________...?

(A) Ship
(B) Light

(C) Sound
(D) aircraft

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One of the following countries produces maximum energy from atomic reactors...?

(A) France
(B) USA

(C) UK
(D) none

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