Oil of vitriol is_________...? Mcqs

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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

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Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________...?

(A) Honey
(B) Water

(C) Milk
(D) olive oil

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Most abundant color in Earth is_________...?

(A) Blue
(B) Green

(C) Brown
(D) Black

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Change of state form liquid to solid is _________...?

(A) Boiling
(B) Freezing

(C) Evaporation
(D) None of these

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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

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

(A) Tiger
(B) Lion

(C) Leopard
(D) None

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Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

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Disease which transferred from animal to Human is_________...?

(A) Sporadic
(B) Epidemic

(C) Endemic
(D) Zoonosis

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Most soluble in water is:__________...?

(A) Camphor
(B) Sulphur

(C) Common salt
(D) Sugar

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AIDS virus is______________________...?

(A) Single-stranded RNA
(B) Single-stranded DNA

(C) Double-stranded RNA
(D) Double-stranded DNA

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The lens used in a simple microscope is____________...?

(A) Concave
(B) Convex

(C) Cylindrical
(D) None

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

(A) Larynx
(B) Pharynx

(C) Trachea
(D) Mouth

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Blood which heart pumps to lungs is__________...?

(A) deoxygenated blood
(B) lymph fluid

(C) atria blood
(D) oxygenated blood

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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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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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An instrument to detect the purity of milk is____________...?

(A) Lactometer
(B) Hygrometer

(C) Manometer
(D) Sonometer

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Deficiency of Vitamin __________ causes Sailors Disease in human...?

(A) Vitamin A
(B) Vitamin K

(C) Vitamin C
(D) Vitamin D

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An example of rhizome is_________...?

(A) Carrot
(B) Tomato

(C) Ginger
(D) Garlic

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The unit of torque in International system of unit is _________...?

(A) Newton
(B) Newton-Meter

(C) Kilogram
(D) Meter

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A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to__________...?

(A) Prop him up if he falls
(B) Spread out his weight and reduce the pressure on the rope

(C) Add extra weight to keep the rope tightly stretched
(D) To keep the Center of gravity always above vertically above the rope

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A shooting star is _________...?

(A) Sun
(B) A comet

(C) A meteor
(D) An steroid

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

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The density of Air is_____________...?

(A) 0.225 kg/m3
(B) 1.025 kg/m3

(C) 1.225 kg/m3
(D) 1.425 kg/m3

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Only planet whose day is longer than its year is__________...?

(A) Mercury
(B) Neptune

(C) Venus
(D) None of These

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Virus is__________...?

(A) unicellular
(B) multicellular

(C) acellular
(D) none of these

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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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An element that does not occur in nature but can be produced artificially is__________...?

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

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Central Color of Rainbow is__________...?

(A) Blue
(B) Green

(C) Red
(D) Indigo

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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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Another name of vitamin C is__________...?

(A) Ascorbic Acid
(B) Acitic Acid

(C) Citric Acid
(D) Lysozyme

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The vitamin which is generally excreted by humans in urine is__________...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin B12
(D) Vitamin C

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The gas usually filled in the electric bulb is___________...?

(A) Nitrogen
(B) Hydrogen

(C) Carbon dioxide
(D) Oxygen

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pH value of water is _________...?

(A) 5
(B) 5-6

(C) 8.7-10.5
(D) 6.5-8.5

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The metal, which is a constituent of vitamin B12 is____________...?

(A) Iron
(B) Magnesium

(C) Zinc
(D) Cobalt

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The melting point of ice is_________...?

(A) 00C
(B) 1000C

(C) 40C
(D) -40C

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The point within the Earth where earthquakes originate is _________...?

(A) Comma
(B) Origin

(C) Epicenter
(D) Focus

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The PH of milk is __________...?

(A) 6.0
(B) 6.5

(C) 7.0
(D) 7.5

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In Fishes excretory Product is__________...?

(A) Nitrogen
(B) Ammonia

(C) Uria
(D) Carbon dioxide

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The rear view mirror of a motor vehicle is ________...?

(A) Concave
(B) Plane

(C) Convex
(D) Biconcave

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SI unit of time is_________...?

(A) second
(B) kilo gram

(C) meter
(D) volt

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Salinization is ___________...?

(A) Accumulation of salts in water
(B) Accumulation of salts in soil

(C) Accumulation of salts in body
(D) Accumulation of salts in animals

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The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

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The image formed in a compound microscope is_____________...?

(A) erect
(B) inverted

(C) sometimes erect, sometimes inverted
(D) none

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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

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The speed of light is __________...?

(A) 280,000 km/s
(B) 300,000 km/s

(C) 320,000 km/s
(D) none of these

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SI unit of Illumination is ________...?

(A) Candela
(B) Flux

(C) Lux
(D) None of these

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What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

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The best conductor of heat among liquid is___________...?

(A) Water
(B) Mercury

(C) Ether
(D) Alcohol

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Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

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Air Conditioning Controls:___________...?

(A) Circulation of the Air
(B) Humidity

(C) Temperature
(D) All of The Above

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The main cause of floods in the river is__________...?

(A) Heavy snowfall
(B) Earthquakes

(C) Deforestation
(D) Construction of dams

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The main Constituent of Biogas is__________...?

(A) Methane
(B) Hydrogyn

(C) Oxygen
(D) Carbin dioxide

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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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The mean distance of the earth from the sun is astronomical units is____________...?

(A) 3.7 AU
(B) 10 AU

(C) 1 AU
(D) 101 AU

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The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

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The valency of carbon Atom is __________ ...?

(A) 1
(B) 2

(C) 3
(D) 4

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The biggest planet in our solar system is___________...?

(A) Venus
(B) Pluto

(C) Jupiter
(D) None

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

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The main cause of air pollution is __________...?

(A) Burning Of Fuels
(B) Forests

(C) Fertilizers
(D) None of these

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A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(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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Symbol of Iron is__________...?

(A) Na
(B) Fr

(C) Fe
(D) Zn

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Albatros is__________...?

(A) A sea bird
(B) A beetle

(C) A fruit
(D) None

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SI unit of light is _________ ...?

(A) watt
(B) Pascal

(C) Candela
(D) Joule

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Second name of ethyl alcohol is___________...?

(A) Ethene
(B) Ethanol

(C) Propyle
(D) none

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Rusting of Iron involves_______________...?

(A) Reduction
(B) Oxidation

(C) Decomposition
(D) Displacement

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