Percentage of water in an apple is__________...? Mcqs

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Percentage of water in an apple is__________...?

(A) 84%
(B) 90%

(C) 66%
(D) None of these

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In blood, the percentage of water is___________...?

(A) 75%
(B) 85%

(C) 90%
(D) 95%

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The repetition of property after a certain interval called ___________...?

(A) Electron efinity
(B) Atomic radius

(C) periodicity of property
(D) none of these

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Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

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Radon is___________...?

(A) germon radio
(B) radio active gas

(C) artificial fibre
(D) an explosive

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The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

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Freezing point of water is__________...?

(A) 0°C
(B) -2°C

(C) -4°C
(D) None of above

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Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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A fresh egg when placed in salt water will __________ ...?

(A) sink and go to the bottom
(B) sink but will not go to the bottom

(C) Float
(D) Burst

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An Average Hummingbird’s heart rate per minute is __________....?

(A) 500 times
(B) 1000 times

(C) more than 1000 times
(D) more than 1200 times

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The process of converting wet waste to manure is___________...?

(A) Metabolism
(B) Conservation

(C) Incineration
(D) Composting

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Carbon,Diamond and Graphite are together called:___________...?

(A) Allotrope
(B) Isomers

(C) Isomorphs
(D) Isotopes

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

(A) 16amu
(B) 17amu

(C) 18amu
(D) 20amu

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lightest metal is__________...?

(A) Lithium
(B) Sodium

(C) Magnesium
(D) Aluminium

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Average salinity or ratio of salt as per kilogram of water of ocean is__________...?

(A) 35 grams
(B) 55 grams

(C) 32 grams
(D) 42 grams

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Water is a ______...?

(A) Polar solvent
(B) Non-polar solvent

(C) Amphiphatic solvent
(D) Non-polar charged solvent

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Density of Water is_________...?

(A) 897 kg/m³
(B) 997 kg/m³

(C) 1000 kg/m³
(D) 1025 kg/m³

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The time taken by Sun to revolve around the center of our galaxy is___________...?

(A) 150 million years
(B) 250 million years

(C) 300 millon years
(D) 350 millon years

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The process by which air flows from one location in the atmosphere to another is called __________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) Electromagnetic Induction

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The biggest species of the cat family is___________...?

(A) Tiger
(B) Lion

(C) Leopard
(D) None

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Boiling point of pure water is __________...?

(A) 90’C
(B) 97’C

(C) 100’C
(D) None of these

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The density of water is __________...?

(A) 1 g/cm3
(B) 1.5 g/cm3

(C) 2 g/cm3
(D) none of these

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In general, the most destructive earthquake waves are the __________ ...?

(A) P waves
(B) S waves

(C) Surface waves
(D) All of the above

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