Lactometer is used for__________...? Mcqs

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Lactometer is used for__________...?

(A) Ship
(B) Milk

(C) Honey
(D) None

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Source: This question is taken from the Everyday Science

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Combustion can not take place without __________...?

(A) Hydrogen
(B) Air

(C) Oxygen
(D) Argon

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The lenses are used for the correction of:____________...?

(A) Long-sightedness
(B) short sightedness

(C) Both A & B
(D) None of those

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Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________...?

(A) hydrogen bonding
(B) irregular shape of the molecules

(C) irregular shape of the molecules and strong inter-molecular forces
(D) greater molecular size

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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 Mirror used in the Automobiles are___________...?

(A) Concave
(B) Convex

(C) Plains
(D) Reflective

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

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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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Glass is made of the mixture of______________...?

(A) Quartz and Mica
(B) Sand and Salt

(C) Sand and Silicates
(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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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

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Galileo was an Italian astronomer who _________...?

(A) Developed the telescope
(B) Discovered four satellites of Jupiter

(C) Discovered that the movement of pendulum produces a regular time measurement
(D) All of the above

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The average adult has a blood volume of about __________ liters....?

(A) 4
(B) 5

(C) 6
(D) 7

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Toy age refers to __________...?

(A) Early childhood
(B) Late childhood

(C) Baby hood
(D) All of Above

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Sunlight is composed of___________...?

(A) Three colours
(B) six colours

(C) seven colours
(D) eight colours

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In general, Comets have __________ orbits...?

(A) Elliptical
(B) Highly elliptical

(C) Circular
(D) Parabolic

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Reflex actions in head region are under the control of___________...?

(A) Brain
(B) Spinal cord

(C) both a & b
(D) non of the above

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A chronometer meter measures__________...?

(A) Sound waves
(B) Time

(C) Color contrast
(D) Water waves

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Lock Jaw i.e. difficulty in opening the mouth, is a symptom of___________...?

(A) Chlorea
(B) Plague

(C) Diphtheira
(D) Tetanus

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The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ___________...?

(A) Barograph
(B) Radiosonde

(C) Aneroid barometer
(D) Altimeter

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Hailey’s comet is visible after every_________...?

(A) 84 years
(B) 76 years

(C) 1000 years
(D) 365 years

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Heavy mechanical complex use a large amount of water for_________...?

(A) Cooling
(B) Freezing

(C) Washing
(D) Mixing

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At night, Plants intake __________ and release __________...?

(A) Oxygen – Carbon dioxide
(B) Carbon dioxide – Oxygen

(C) Oxygen – Carbon monoxide
(D) None of theseCarbon monoxide – Oxygen

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Galvanised Iron sheets have a coating of____________...?

(A) Tin
(B) Silver

(C) Zinc
(D) Chromium

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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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Digestion of food is completed in the __________...?

(A) small intestine
(B) large intestine

(C) stomach
(D) Liver

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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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‘Black holes’ refers to_______________...?

(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun

(C) Collapsing object of high density
(D) Collapsing object of low density

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Fathom is the unit of measurement for__________...?

(A) Sound
(B) Depth

(C) Energy
(D) Time

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Turpentine is obtained from___________...?

(A) Oak tree
(B) Pine tree

(C) Birch tree
(D) Lemon tree

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Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ...?

(A) Snow
(B) Lightning

(C) Hailstorms
(D) Thunders

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The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ...?

(A) Ionosphere
(B) Troposphere

(C) Mesosphere
(D) Stratosphere

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Year is longest on:___________...?

(A) Jupiter
(B) Earth

(C) Mercury
(D) Mars

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The Doppler’s effect is applicable for_________...?

(A) light waves only
(B) sound waves only

(C) Both Light waves and sound ways
(D) None of these

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Soap and detergents remove the dirt from clothes due to__________...?

(A) Osmosis
(B) Capillary action

(C) Lowering of interfacial tension
(D) Diffusion

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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Barnacles growing on the back of whale is an example for ________________...?

(A) mutualism
(B) parasitism

(C) amensalism
(D) commensalism

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CT Scan stand for__________...?

(A) Computed Tomography Scan
(B) Computer Topography Scan

(C) Computed Topography Scan
(D) Computer Tomography Scan

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years
(B) 4.4 Billion years

(C) 4.5 Billion years
(D) None of these

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The planets visible to us without using a telescope are __________...?

(A) 3
(B) 4

(C) 5
(D) 6

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The SI unit of Dipole moment is __________...?

(A) Debye
(B) Cm

(C) Weber
(D) Coulumb

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1 Meter = _________...?

(A) 1000 centimeters (cm)
(B) 100 centimeters (cm)

(C) 10 centimeters (cm)
(D) 10000 centimeters (cm)

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The sky appears blue because the earth’s atmosphere __________...?

(A) Scatters blue light
(B) Reflects blue light

(C) Transmits blue light
(D) Has actual blue cover

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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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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Who discovered Uranus__________...?

(A) William Caxton
(B) John Davise

(C) Herschel
(D) Shellay

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In an atomic nucleus, neutrons and protons are held together by: ___________...?

(A) Gravitational forces
(B) Exchange forces

(C) Coulombic forces
(D) Magnetic forces

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Nitrogen occurs in plant and animals in the form of ___________...?

(A) Minerals
(B) Fats

(C) Carbohydrates
(D) Proteins

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The blind spot is located at the ___________ of the eye ...?

(A) pupil
(B) vitreous humor

(C) aqueous humor
(D) optic disc

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Sunlight is a Great Source of ____________...?

(A) vitamin C
(B) vitamin D

(C) vitamin E
(D) vitamin K

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Amnesia is related to:__________...?

(A) Sleeping sickness
(B) Loss of sight

(C) Loss of hearing
(D) Loss of memory

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EEG records the activity of__________...?

(A) Heart
(B) Lungs

(C) Brain
(D) Muscles

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First antibiotic was extracted from a _________...?

(A) Bacteria
(B) virus

(C) Fungus
(D) None of these

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Stomach stores the ___________...?

(A) enzime
(B) Food

(C) hcl
(D) None of These

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The earth revolves around the sun at a speed of__________...?

(A) 18.5 km/sec
(B) 26.6 km/sec

(C) 29 km/sec
(D) 31.9 km/sec

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Which vegetable is also a flower __________...?

(A) Lady Finger
(B) Broccoli

(C) Tomato
(D) None of these

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Calcium level in the blood is regulated by the: ___________...?

(A) Thyroid
(B) Parathyroid

(C) Adrenal medulla
(D) A and B

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Wood is the main raw material for the manufacture of ____________...?

(A) Paint
(B) Gun powder

(C) Paper
(D) Ink

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Another name of RDX is ___________...?

(A) Cyanohydrin
(B) Dextran

(C) Cyclohexane
(D) Cyclonite

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Our atmosphere comprises of __________ Nitrogen...?

(A) 38% Nitrogen
(B) 58% Nitrogen

(C) 78% Nitrogen
(D) None of these

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The term xerostomia refers to_________...?

(A) dry skin
(B) dry mouth

(C) dry nose
(D) dry head

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An example of an abiotic component __________...?

(A) Plants
(B) Soil

(C) Animals
(D) Bacteria

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Second layer of Earth’s atmosphere is__________...?

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

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UV light falls in the category of___________...?

(A) Ionizing Radiations
(B) Non Ionizing Radiation

(C) Visible light
(D) None

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Vitamin C is essential for___________...?

(A) Appetite
(B) Growth & repairing of tissues

(C) Muscles
(D) Brain

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In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

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In human body there are_________________kinds of bones...?

(A) 3
(B) 4

(C) 5
(D) 6

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Dialysis is used for the treatment of__________...?

(A) Kidney failure
(B) Heart weakness

(C) Brain diseases
(D) None of these

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Biopsy is done on tissues taken from__________...?

(A) Human body
(B) Animal body

(C) Living body
(D) Dead body

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Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

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Year is longest on : _____________...?

(A) Mercury
(B) Venus

(C) Mars
(D) The Earth

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For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________...?

(A) Less than the gravitational potential energy of the body
(B) Equal to the gravitational potential energy of the body

(C) Greater than the gravitational potential energy of the body
(D) None of the above

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Fuel used in a Fast Breeder Reactor is _____________...?

(A) Uranium Oxide
(B) Uranium Plutonium carbide

(C) Uranium Plutonium Oxide
(D) Uranium thorium Oxide

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The alpha particles are compact clusters of______________...?

(A) Electron and Proton
(B) Two Protons and two Neutrons

(C) Three protons and three Neutrons
(D) None

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It is impossible for a type of O+ baby to have a type of____________mother:...?

(A) AB-
(B) O-

(C) O+
(D) none

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Apiculture refers to___________...?

(A) Rearing silk worms
(B) Science of bee keeping

(C) Science of gardening
(D) Science of cultural norms and trends

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Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

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Instrument that measure the electric force ________...?

(A) Hygrometer
(B) Hydrometer

(C) Ammeter
(D) Voltmeter

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“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________...?

(A) Aufbau principle
(B) Pauli exclusion principle

(C) Hund’s rule
(D) Periodic law

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A chronometer meter measures __________ ...?

(A) Water waves
(B) Color contrast

(C) Time
(D) Sound waves

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Parses is a unit used to measure: __________...?

(A) Distance
(B) Time

(C) Speed
(D) Force

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Circadian Rhythm refers to _____________...?

(A) Planetary movements
(B) Formation of galaxies

(C) Human body cycles
(D) Calisthenics

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Dioptre is a unit of measurement for __________ ...?

(A) Current
(B) Lens

(C) Force
(D) Focal Length

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The coldest region of the Earth’s atmosphere is__________...?

(A) Exosphere
(B) Thermosphere

(C) Stratopause
(D) Mesopause

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Erythrocyte is another name for a ___________...?

(A) white blood Cells
(B) Platelet

(C) Red Blood cells
(D) Plasma

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The term PVC used in the plastic industry stands for______________...?

(A) Phosphavinyl chloride
(B) Phosphor vanadiu chloride

(C) Polyvinyl chloride
(D) Polyvinyl carbobate

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Muscle fatigue is caused by the accumulation of___________...?

(A) Uric acid
(B) Lactic acid

(C) Oxalacetic acid
(D) Fyruvie acid

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All forms of energy that we use are ultimately transformed into__________...?

(A) Electrical Energy
(B) Heat Energy

(C) Light Energy
(D) Chemical Energy

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Mohus scale is used for to measure ____________...?

(A) Hardness
(B) Humidity

(C) Pressure
(D) Temperature

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Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

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