Parsec is a unit of ___________...? Mcqs

PPSC Past Papers

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Parsec is a unit of ___________...?

(A) Energy
(B) Time

(C) Power
(D) Distance

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Pedosphere is sum of_____________...?

(A) Organisms
(B) Soil and water

(C) Air
(D) All of above

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Involuntary muscles in a human body are present in__________...?

(A) Brain
(B) Tongue

(C) Digestive system
(D) Limbs

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Combustion can not take place without __________...?

(A) Hydrogen
(B) Air

(C) Oxygen
(D) Argon

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Lunar eclipse occurs on__________...?

(A) New Moon
(B) Full Moon

(C) Half Moon
(D) Quarter Moon

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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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In HomoSapiens (Human) the fertilization occurs in the___________...?

(A) Uterus
(B) Ovaries

(C) Oviduct
(D) Cervix

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For being able to see three-dimensional pictures we have to use___________...?

(A) A binocular
(B) A camera

(C) A epidiascope
(D) A stereoscope

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There are three types of plate boundaries i.e Divergent, Convergent and____________...?

(A) Normal
(B) Transform

(C) Complex
(D) Plain

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Wireless transmission can be done via _____________...?

(A) A Infrared waves
(B) Radio waves

(C) Microwaves
(D) All of these

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Sound travels about ___________times faster in water than in air....?

(A) 2
(B) 3

(C) 4
(D) 5

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Most of the ozone in the atmosphere is concentrated in the____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) Ionosphere

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Approximate age of sun is _________...?

(A) 4.4 billion years
(B) 4.5 billion years

(C) 4.6 billion years
(D) 4.7 billion years

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Maximum biological damage is caused by ____________...?

(A) Gamma rays
(B) Alpha rays

(C) Beta rays
(D) Microwaves

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Types of bones in human body are: Long, short, irregular and ____________...?

(A) Flat
(B) Medium

(C) Regular
(D) Rough

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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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Circadian Rhythm refers to _____________...?

(A) Planetary movements
(B) Formation of galaxies

(C) Human body cycles
(D) Calisthenics

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The audio signals of TV are _____________...?

(A) Amplitude modulated
(B) Frequency modulated

(C) fixe modulated
(D) Velocity modulated

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The only non metal exists in liquid state is ___________...?

(A) Mercury
(B) Bromine

(C) Phosphorus
(D) Iodine

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The amount of energy required by the children of age between one to three years is___________...?

(A) 300 k Calories
(B) 600 k Calories

(C) 900 k Calories
(D) 1200 k Calories

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Lingxi-03, developed by Galaxy Space, was launched using a ___________ carrier rocket....?

(A) Long March-3D
(B) Long March-2D

(C) Vertical March-3D
(D) Orbital March-2D

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SONAR is based on the principle of___________...?

(A) Echo
(B) reverberation

(C) resonance
(D) None of these

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The second most abundant metal found in the earth’s crust is_____________...?

(A) Silicon
(B) Aluminium

(C) Calcium
(D) Sodium

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Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________...?

(A) asbestosis
(B) asthma

(C) allergy
(D) sinusitis

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Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

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The largest part of the human brain is ___________...?

(A) Medulla oblongata
(B) Cerebellum

(C) Cerebrum
(D) None of these

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Terrestrial planets in solar system are made of____________...?

(A) Metal
(B) Rock

(C) Both A and B
(D) None of the above

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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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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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In the Composition of the earth, Aluminum is _______________...?

(A) 27.5%
(B) 20.3%

(C) 14.5%
(D) 8.23%

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What is it called when the Earth is closest to the sun _____________...?

(A) Aphelion
(B) Perihelion

(C) Apoapsis
(D) Periapsis

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Atom is made up of____________different kinds of subatomic particles:...?

(A) Three
(B) Two

(C) Four
(D) None

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Lux is a unit of __________...?

(A) Luminous Flux
(B) Illumination

(C) Luminous Intensity
(D) Focus

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

(A) Venus
(B) Pluto

(C) Jupiter
(D) None

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Cusec is a unit of _________...?

(A) Area
(B) Time

(C) Distance
(D) mass

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Natural Radioactivity was discovered by Becquerel in ____________...?

(A) 1766
(B) 1896

(C) 1935
(D) 2001

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Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

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The distance between Earth and Sun is greatest during ____________...?

(A) Apehelion
(B) Astronomical

(C) Lopsided
(D) Astronomi

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The pancreas secrets___________...?

(A) Insulin
(B) Vitamin A

(C) Bile juice
(D) none of these

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One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________...?

(A) Molarity
(B) Molality

(C) Normality
(D) Formality

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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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The type of glass used in making lenses and prism is___________...?

(A) Pyrex glass
(B) jena glass

(C) Flintglass
(D) Soft glass

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Hygrometer is used for measuring the ____________...?

(A) Speed of sound
(B) Density of milk

(C) Humidity of air
(D) Specific gravity of liquids

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Earth rotates the sun in___________...?

(A) 23 hours 56 min 4 sec
(B) 24 hours

(C) 23 hours 57 min 9 sec
(D) Non of above

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The importance of perspiration is to ___________...?

(A) Eliminate body odours
(B) Improve the general health

(C) Open the pores in the skin
(D) Regulate body temperature

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The rocks formed out of layers of sediment bonded together are known as _______________...?

(A) Metamorphic rocks
(B) Sedimentary rocks

(C) Igneous rocks
(D) All of the above

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The average acceleration caused by gravity per second is____________...?

(A) 22 feet
(B) 32 feet

(C) 52 feet
(D) 42 feet

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Ozone layer thickness is measured in____________...?

(A) Metre
(B) Joule

(C) Pounds
(D) Dobson

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The source of the Sun’s energy is the process of ____________...?

(A) Photoelectric emission
(B) Nuclear fission

(C) Nuclear fusion
(D) Thermionic emission

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The most dense and heaviest planet is___________...?

(A) Jupiter
(B) Earth

(C) Mars
(D) Venus

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Vaccination is synonymous with ___________ immunity...?

(A) Artificial Active
(B) Natural Active

(C) Allergy
(D) None of These

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Newton metre is a unit of __________....?

(A) Substance
(B) Length

(C) torque
(D) Work

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Diabetes mellitus affects human system following a disorder in _____________...?

(A) Anatomy
(B) Behaviour

(C) Metabolism
(D) Excretion

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Current stage of star ‘Sun’ is___________...?

(A) white dwarf
(B) red giant

(C) yellow dwarf
(D) orange dwarf

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Chemically finger nails are made up of ____________...?

(A) Carbohydrate
(B) Fats

(C) protein
(D) Starch

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Lead ball falls through water more slowly than through air because __________...?

(A) The value of ‘g’ is less in water
(B) Density of air is less than that of water

(C) Of the viscous force in water
(D) Of The surface tension of water

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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 centre of gravity always vertically above the rope

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The large dark patches on the Moon’s surface are known as___________...?

(A) Dark matter
(B) Maria, or seas, even though there is no water on the Moon

(C) Maria, or seas, because they are filled with water
(D) Moon spots

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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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In the atmosphere, if the temperature is low then the pressure is _________...?

(A) Low
(B) High

(C) Normal
(D) All of these

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Symptoms of vitamin b7 deficiency are known to ______________....?

(A) Pellagra
(B) Hair Loss

(C) Muscle weakness
(D) Xerophthalmia

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Microphone converts sound energy into ___________...?

(A) Microwaves
(B) Electrical signals

(C) Optical Signals
(D) Heat energy

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A photostat machine works on _____________...?

(A) electromagnetic image making
(B) magnetic image making

(C) thermal image making
(D) electrostatic image making

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Basidiospores are considered to be a major source of ___________...?

(A) airborne allergens
(B) water borne allergens

(C) animal faeces
(D) bio-weapon

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

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

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Liquids which evaporate quickly are known as___________...?

(A) Evaporation
(B) Volatile

(C) Condense
(D) None

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The shape of the external ear is due to____________...?

(A) Elastic cartilage
(B) Fibrocartilage

(C) Articular cartilage
(D) none

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The muscles, tissues and blood all are made up of____________...?

(A) Carbohydrate
(B) Proteins

(C) Vitamins
(D) Fats

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Dry ice is ___________...?

(A) Methane hydrate
(B) Liquid Nitrogen

(C) Solid Carbon dioxide
(D) Frozen Water

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Soap is prepared by boiling caustic soda with ___________...?

(A) Alcohol
(B) Kerosene oil

(C) Glycerine
(D) Fats

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Activity of Brain is recorded by ____________...?

(A) ECG (Electrocardiogram)
(B) EEG (Electroencephalogram)

(C) X-Ray
(D) None of these

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Hepatitis is caused by: ____________...?

(A) Protozoans
(B) Algae

(C) Fungi
(D) Virus

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years
(B) 4.53 billion years

(C) 4.6 billion years
(D) 4.53 billion years

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According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________...?

(A) 1 hours
(B) 5 hours

(C) 10 hours
(D) 15 hours

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The process which is essential for continuing and survival of species is __________...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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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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A slow-running pendulum clock can be speeded up by_______________...?

(A) Increasing the length of the rod
(B) Increasing the weight of the bob

(C) Reducing the length of the rod
(D) Reducing the weight of the bob

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The yellow colour in photochemical smog is due to the presence of____________...?

(A) Sulphur dioxide
(B) Carbon dioxide

(C) Nitrogen dioxide
(D) CFC’s

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Trachoma is a disease of the___________...?

(A) Liver
(B) Eyes

(C) Lungs
(D) Kidneys

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Blood does not coagulate inside the body due to the presence of___________...?

(A) Haemoglobin
(B) Fibrin

(C) Heparin
(D) Plasma

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The Sun is a __________...?

(A) Star
(B) Planet

(C) Asteroid
(D) Meteor

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Examples of Monosaccharides are ___________....?

(A) Glucose
(B) Galactose

(C) Fructose
(D) All of these

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Role of biotechnology in the production of food based on ___________...?

(A) Decomposition
(B) Respiration

(C) Digestion
(D) Fermentation

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

(A) Concave
(B) Convex

(C) Cylindrical
(D) None

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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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PSR J0108-1431 is the closest known ______________ to Earth...?

(A) Black hole
(B) Red giant

(C) Quasar
(D) Pulsar

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Tesla is the unit of_________________________...?

(A) Magnetic Field Strength
(B) Electric Field Strength

(C) Gravitational Field Strength
(D) Nuclear Field Strength

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Exosphere interacts with ___________ of Earth at roughly distance of 10,000 km....?

(A) Electrosphere
(B) Magnetosphere

(C) Spectrosphere
(D) Echosphere

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Animals living in the Tree trunks are known as___________...?

(A) Arboreal
(B) Volant

(C) Amphibious
(D) Aquaticx

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Colour of the plants is green due to the presence of _________....?

(A) Carbon dioxide
(B) Chlorophyll

(C) Urea
(D) Oxygen

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Most of the ozone in the atmosphere is concentrated in the _____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

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Short-sight defect could be corrected by a _____________ lens...?

(A) concave lens
(B) convex lens

(C) converging lens
(D) none of these

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Echo is a ___________ of sound...?

(A) Reflection
(B) Refraction

(C) Interference
(D) None

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Our atmosphere consists of___________ Oxygen approximately...?

(A) 11% Oxygen approximately
(B) 21% Oxygen approximately

(C) 31% Oxygen approximately
(D) None of these

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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Nowadays Milk is not considered balanced diet because it is lacking in ___________...?

(A) Magnesium and Vitamin D
(B) Iron and Vitamin B

(C) Iron and Vitamin C
(D) calcium and vitamin C

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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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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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Water is 50 times more viscous than ____________ ...?

(A) Oil
(B) Alcohol

(C) Gases
(D) Solid

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Vitamin C is essential for___________...?

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

(C) Muscles
(D) Brain

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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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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

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A term biotype means ___________...?

(A) all individuals having same phenotype
(B) all individuals having same genotype

(C) all individual with different phenotype
(D) all individuals with different genotype

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Burning of Fossil Fuels Results In ____________...?

(A) Increased oxygen level
(B) Decreases greenhouse gases

(C) Increased greenhouse gases
(D) Increased ethane level

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Goitre is associated with___________...?

(A) Pituitary gland
(B) Thyroid gland

(C) Thymus gland
(D) Para-Thyroid gland

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The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?

(A) Diatonic scale
(B) Fahrenheit Scale

(C) Richter scale
(D) Celsius Scale

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The type of mirrors used in the headlamp of cars is ____________...?

(A) Parabolic concave
(B) Plane

(C) Spherical convex
(D) Cylindrical concave

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Which of the following metal occurs in free state ______________...?

(A) Lead
(B) Iron

(C) Mercury
(D) Copper

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Main use of salt in diet is to : ___________...?

(A) ease the process of cooking
(B) increase the taste

(C) produce small amount of hydrochloric acid required for digestion
(D) inclease solubility of food particles in water

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The most abundant element in the universe is __________....?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

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Nearest star to the sun is: ___________...?

(A) Proxima Centauri
(B) Alpha Scorpius

(C) Beta Orionis
(D) Vegetal

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The main function of the kidney is ____________...?

(A) To control blood pressure
(B) To control body temperature

(C) To remove waste product from the body
(D) To help in digestion of food

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There is no connection of supernova explosion with___________...?

(A) Cosmic rays
(B) Pulsars

(C) The formation of heavy elements
(D) Quasars

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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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Leukemia is a disease of the___________...?

(A) Lungs
(B) Blood

(C) Skin
(D) Nerves

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

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Water has maximum density at____________...?

(A) 0°C
(B) 4°C

(C) 4° K
(D) 4.8°C

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Instrument used for measuring very high temperature is __________...?

(A) Pyroscope
(B) Pyrometer

(C) Seismograph
(D) Xylometer

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The thermosphere extends from an altitude of ________ to the base of ________ at ________...?

(A) 75 km, Mesosphere, 670 km
(B) 80 km, Ionosphere, 680 km

(C) 85 km, Exosphere, 690 km
(D) 90 km, Ozone Layer , 690 km

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Short-sightedness can be corrected by using ___________...?

(A) Convex lens
(B) Concave lens

(C) Convex-concave lens
(D) Concave-convex lens

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Oasis is associated with___________...?

(A) Glaciers
(B) Desert

(C) Islands
(D) Volcanoes

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One of the countries through which equator passes is___________...?

(A) Kenya
(B) Malaysia

(C) Malta
(D) Pakistan

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An ordinary mobile phone communicate by using___________...?

(A) Sound waves
(B) Infrared waves

(C) UV waves
(D) Radio waves

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Disease beri beri is because of___________...?

(A) Lack of green vegetables in diet
(B) Use of milled rice

(C) Deficiency of calcium in bones
(D) Poor use of citrus fruits

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Apple is rich in: ______________...?

(A) Fluorine
(B) Calcium

(C) Iron
(D) Phosphorus

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Bt seed is associated with:___________...?

(A) Rice
(B) Wheat

(C) Cotton
(D) Oilseed

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Temperature of Sun in Celsius Scale is 6000ºC  & in Fahrenheit is _____________...?

(A) 8000 F
(B) 9000 F

(C) 10,832 F
(D) None of these

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Particle clouds from where stars are formed are known as____________...?

(A) Stellar nurseries
(B) Star clouds

(C) Event horizons
(D) Singularities

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The color of blood is red due to __________...?

(A) Haemoglobin
(B) Neutrophils

(C) Esinophils
(D) Hematocrit

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Tibia is a bone found in the ____________...?

(A) Skull
(B) Arm

(C) Leg
(D) Face

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In the electricity meter the digit to the extreme right is___________...?

(A) 1/5th of the unit
(B) 1/100 of the unit

(C) 1/10th of the unit
(D) 1/1000th of the unit

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Vector of Kala-azar disease is___________...?

(A) Sandfly
(B) Dragonfly

(C) Mosquito
(D) Housefly

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The reaction between methane and chlorine in diffused sunlight is__________...?

(A) Oxidation
(B) Reduction

(C) Polymerisation
(D) Radical substitution

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The instrument which measures very high temperature is____________...?

(A) Manometer
(B) Thermostat

(C) Chronometer
(D) Pyrometer

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Permanent hardness of water is due to the presence of __________...?

(A) Sodium bicarbonate
(B) Calcium sulfate

(C) Calcium bicarbonate
(D) None of these

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The species that flower are called ______________...?

(A) Gymnosperms
(B) Bryophytes

(C) Angiosperms
(D) Algae

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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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Medulla oblongata is a part of human ___________...?

(A) Heart
(B) Brain

(C) Liver
(D) Sex organ

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Highest Clouds are ___________...?

(A) Cirrocumulus
(B) Cirrus

(C) Cirrostratus
(D) All of these

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746 watts are equivalent to_____________...?

(A) 1 Joule
(B) 1 erg

(C) 1HP
(D) 1 poise

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The main factor for determining a region’s climate is ___________...?

(A) Latitude
(B) Temperature

(C) Longitude
(D) None of them

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Diamond is a very expensive ornament. It is composed of a single element ___________...?

(A) Carbon
(B) Gold

(C) Silver
(D) Platinum

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Farad is the unit of___________...?

(A) inductance
(B) voltage

(C) capacitance
(D) None of these

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Biggest award in the field of science is the __________...?

(A) Noble Prize
(B) UNESCO peace prize

(C) Right livelihood prize
(D) All of these

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At what time of day is the relative humidity normally at a minimum ________________ ...?

(A) When the air temperature is highest
(B) Just before sunrise

(C) About midnight
(D) When the air temperature is lowest

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Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

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Curie is a unit of measuring the intensity of ___________...?

(A) Radioactivity
(B) Quantity of Heat

(C) Work or Energy
(D) Power

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Siemens is the unit of__________________...?

(A) Electrical Conductance
(B) Magnetic Conductance

(C) Electrical Capacitance
(D) Magnetic Capacitance

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Equator passes through one of these countries___________...?

(A) Saudi Arabia
(B) Italy

(C) Japan
(D) None

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When our sun reaches the end of its red giant phase, it will turn into a___________...?

(A) Supernova
(B) White Dwarf

(C) Black Hole
(D) Neutron Star

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Our atmosphere consists of__________ CO2...?

(A) 0.03 to 0.04% CO2
(B) 0.3 to 0.4% CO2

(C) 3 to 4% CO2
(D) None of these

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The weakest of all fundamental forces is the ________________...?

(A) Gravitational force
(B) Electrostatic force

(C) Magnetic force
(D) Nuclear force

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Nearest star to sun is: __________...?

(A) Proxima Centurai
(B) Alpha Scorpii

(C) Beta Orionis
(D) Vega

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The SI standard of time is based on_____________...?

(A) the daily rotation of the earth
(B) the frequency of light emitted by Kr86

(C) the yearly revolution of the earth about the sun
(D) a precision pendulum clock

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In the manufacture of banaspati ghee the gas used is __________...?

(A) Helium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

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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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Melanoma (skin cancer) is associated with ______________...?

(A) ozone accumulation
(B) ozone depletion

(C) acid rain
(D) allergens

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Maxilla bones are found in___________...?

(A) Jaw
(B) Toe

(C) Ear
(D) Stomach

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Antares is of the largest known ___________...?

(A) Quasars Star
(B) Pulsars Star

(C) White Dwarfs Star
(D) Red Super-giants Star

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Granite is a____________...?

(A) Metamorphic rock
(B) Igneous rock

(C) Sedimentry rock
(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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Candela is the basic unit of_________________...?

(A) luminous intensity
(B) heat producing value

(C) Thermodynamic temperature
(D) radioactive decay

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The photo-receptors in the eye are present in___________...?

(A) Cornea
(B) Retina

(C) Iris
(D) Sclera

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Periodontics deals with _____________...?

(A) Surgery of spine
(B) Stomach disorders

(C) Ligaments restoration
(D) Dentistry

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Diameter of Sun is_____________...?

(A) 12 Lakh kms
(B) 13 Lakh kms

(C) 14 Lakh kms
(D) 15 Lakh kms

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Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen
(B) Nydrogen

(C) Neon and argon
(D) Oxygen and nitrogen

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When white light is passed through a prism, it splits into __________ colours....?

(A) 5
(B) 6

(C) 7
(D) 8

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There are many different types of frozen water on Earth. Collectively, they are known as the: ___________...?

(A) Hydrosphere
(B) Cryosphere

(C) Frigid Zone
(D) Biosphere

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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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Metal are highly ___________ ...?

(A) Electropositive
(B) Electronegativity

(C) Both of these
(D) Neutral

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Radiations are harmful as it:___________...?

(A) Causes skin cancer
(B) Causes anemia

(C) Alters body tissue
(D) is unstable

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Urine is produced in __________...?

(A) Kidneys
(B) Lungs

(C) Large intestine
(D) Liver

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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Kilowatt-hour is a unit of____________...?

(A) Power
(B) Electric Current

(C) Energy
(D) Time

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The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

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