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%

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Latest MCQs

Spring balance is used to measure _________...?

(A) Mass
(B) Weight

(C) Elasticity
(D) Density

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Latest MCQs

Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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An animal that migrates great distances would obtain the greatest benefit from storing its energy as ____...?

(A) Fats
(B) Carbohydrates

(C) Protein
(D) Minerals

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Which of the following vitamin is known as folate...?

(A) B-9
(B) B-1

(C) B-6
(D) vitamin-D

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Max Planck received the noble prize in Physics in 1918 for his discovery of ...?

(A) electron
(B) energy quanta

(C) photon
(D) positron

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The cartilage are made up of cells called...?

(A) Osteoclast
(B) Osteocytis

(C) Chondrocytes
(D) Chaonocytes

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Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

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In which of the following, the speed of sound is minimum...?

(A) Brick
(B) Air

(C) Lead
(D) Copper

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___________ begins at 690 to 1,000 km from the surface, and extends to roughly 10,000 km....?

(A) Troposphere
(B) Mesosphere

(C) Exosphere
(D) Stratosphere

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