As you go down into a well, your weight__________...?

PPSC Past Papers

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As you go down into a well, your weight__________...?

(A) Slightly increases

(B) Slightly decreases

(C) Remains the same

(D) None of these

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Which is the most electro-negative element among the following _________...?

(A) Fluorine

(B) Bromine

(C) Sodium

(D) Oxygen

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Deficiency of Vitamin-A results in __________...?

(A) Night blindness

(B) rickets

(C) scurvy

(D) hair fall

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The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids....?

(A) Mars

(B) Saturn

(C) Uranus

(D) Jupiter

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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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Microphone converts sound energy into ___________...?

(A) Microwaves

(B) Electrical signals

(C) Optical Signals

(D) Heat energy

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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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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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Balloons are filled with _________ ...?

(A) Nitrogen

(B) Helium

(C) Oxygen

(D) Argon

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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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Insects responsible for transmitting diseases are called___________...?

(A) Drones

(B) Vectors

(C) Hybirds

(D) None of these

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1 Carat is equal to __________...?

(A) 0.2 g

(B) 0.3 g

(C) 0.4 g

(D) 0.5 g

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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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An ordinary mobile phone communicate by using___________...?

(A) Sound waves

(B) Infrared waves

(C) UV waves

(D) Radio waves

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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 Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C

(B) – 10°C

(C) + 10°C

(D) + 20°C

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One Joule is equal to__________...?

(A) 105 ergs

(B) 103 ergs

(C) 107 ergs

(D) 1011 ergs

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There is a hole in the Ozone Layer at__________...?

(A) South Pole

(B) North Pole

(C) Both A and B

(D) None of These

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One Quintal is Equal to___________...?

(A) 70 kg

(B) 80 kg

(C) 90 kg

(D) 100 kg

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Deficiency of Vitamin-D results in __________...?

(A) night blindness

(B) rickets

(C) scurvy

(D) hair fall

Comments

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Myopia is a disease connected with_________...?

(A) Ears

(B) Eyes

(C) Lungs

(D) Brain

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

(A) Periods

(B) Groups

(C) Rows

(D) Lanthanoids series

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Deficiency of vitamin C will cause:__________...?

(A) Beri-Beri

(B) Architis

(C) Scurvy

(D) Night-blindness

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

(A) Haemoglobin

(B) Neutrophils

(C) Esinophils

(D) Hematocrit

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

(A) 16amu

(B) 17amu

(C) 18amu

(D) 20amu

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The most densest substance on the Earth is __________....?

(A) Platinum

(B) Copper

(C) Steel

(D) Osmium

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Periodontics deals with _____________...?

(A) Surgery of spine

(B) Stomach disorders

(C) Ligaments restoration

(D) Dentistry

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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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1 BTU(British thermal unit) is equal to___________...?

(A) 955 joules

(B) 990 joules

(C) 1055 joules

(D) 1211 joules

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Hen and chicken disorder is associated with__________ ...?

(A) Mango

(B) Grapes

(C) Tomato

(D) Guava

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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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On passing through food stuff, X-ray can kill the___________...?

(A) Fungus

(B) Virus

(C) Bacteria

(D) insects

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The lifespan of Red Blood Cells is __________ days...?

(A) 60

(B) 120

(C) 180

(D) 240

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Dead red blood corpuscles are stored in____________...?

(A) Liver

(B) Spleen

(C) Kidney

(D) Heart

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The inner most part of the earth is__________...?

(A) Crust

(B) Mental

(C) Core

(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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Earthquakes occur most frequently at __________...?

(A) Plate boundaries

(B) Plate surface

(C) Ocean beds

(D) All of the above

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The amount of energy in wheat is__________...?

(A) 100 K Calories/100 gram

(B) 245 K Calories/100 gram

(C) 348 K Calories/100 gram

(D) 490 K Calories/100 gram

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Mercury, Venus, Earth and Mars are called___________...?

(A) Dwarf Planet

(B) Gaseous Planets

(C) Terrestrial Planets

(D) Both A & B

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The speed of light with the rise in the temperature of the medium____________...?

(A) Decrease

(B) Increase

(C) Remain the same

(D) First decrease then increase

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Other name of white blood cells is _____________...?

(A) Erythrocytes

(B) Leukocytes

(C) Thrombocytes

(D) None of these

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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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Water has maximum density at____________...?

(A) 0°C

(B) 4°C

(C) 4° K

(D) 4.8°C

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

(A) 75%

(B) 85%

(C) 90%

(D) 95%

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Coke is made by heating coal in the absence of air at__________...?

(A) 700 °C

(B) 900 °C

(C) 1300 °C

(D) 1700 °C

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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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Most important effect of the moon on earth is that it___________...?

(A) Causes weather change

(B) Causes earthquakes

(C) Causes solar and lunar eclipse

(D) Effects tides of the ocean

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible

(B) Transparent

(C) Invisible

(D) opaque

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lightest metal is__________...?

(A) Lithium

(B) Sodium

(C) Magnesium

(D) Aluminium

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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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Radiations are harmful as it:___________...?

(A) Causes skin cancer

(B) Causes anemia

(C) Alters body tissue

(D) is unstable

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If force of 6N displaces an object 2m in the direction of force, then work done will be __________...?

(A) 0

(B) 12 Joule

(C) 3 Joule

(D) Both b and c

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Farad is the unit of___________...?

(A) inductance

(B) voltage

(C) capacitance

(D) None of these

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P-waves is a term associated with__________...?

(A) Earthquakes

(B) Oceans

(C) Wind

(D) Rivers

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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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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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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 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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Sound cannot travel through __________...?

(A) Solid

(B) Liquid

(C) Gases

(D) Vaccum

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The earth’s ___________ is divided into 15 major plates of various sizes...?

(A) Mesosphere

(B) Stratosphere

(C) Lithosphere

(D) None

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The fruits without seed, like banana, are called_____________...?

(A) Seedless fruits

(B) Parthenogenesis fruits

(C) Parthenocarpic fruits

(D) placental fruits

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

(A) 5

(B) 6

(C) 7

(D) 8

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Oasis is associated with___________...?

(A) Glaciers

(B) Desert

(C) Islands

(D) Volcanoes

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

(A) Allotrope

(B) Isomers

(C) Isomorphs

(D) Isotopes

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The movement of any solvent across a semipermeable membrane is called__________...?

(A) Osmosis

(B) Cataphoresis

(C) Electrolysis

(D) Electrophoresis

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The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...?

(A) Sedimentary rocks

(B) Metamorphic rocks

(C) Igneous rocks

(D) All of the above

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Combustion can not take place without __________...?

(A) Hydrogen

(B) Air

(C) Oxygen

(D) Argon

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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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The soul of chemistry is dealing with___________...?

(A) Internal structural changes in matter

(B) Composition of matter

(C) Properties of matter

(D) Composition and properties of matter

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The Great Spot is on the planet __________...?

(A) Saturn

(B) Venus

(C) Mars

(D) Jupiter

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One Gross is equal to___________...?

(A) 5 Dozen

(B) 10 Dozen

(C) 12 Dozen

(D) None of them

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The ozone layer is at height of________kilometers from the surface of the Earth...?

(A) 10 to 20

(B) 20 to 30

(C) 30 to 40

(D) 40 to 50

Comments

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

(A) Heavy snowfall

(B) Earthquakes

(C) Deforestation

(D) Construction of dams

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The position of an element in the Periodic Table is determined by its __________ number...?

(A) Electron

(B) Proton

(C) Neutron

(D) None of these

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SI unit of light is _________ ...?

(A) watt

(B) Pascal

(C) Candela

(D) Joule

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Animal without red blood cells is_________ ...?

(A) Frog

(B) Earthworm

(C) Snake

(D) Crocodile

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The brain of human adult weighs about_________...?

(A) 1200 – 1300 gm

(B) 1600 – 2000 gm

(C) 500 – 800 gm

(D) 100 – 200 gm

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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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Metal are highly ___________ ...?

(A) Electropositive

(B) Electronegativity

(C) Both of these

(D) Neutral

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In BTU system, one BTU is equal to__________...?

(A) 2055 Joule

(B) 1155 Joule

(C) 2155 Joule

(D) 1055 Joule

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A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________...?

(A) Remain unaffected

(B) Fall away from the train

(C) Fall towards the train

(D) Fall away from or towards the train depending upon the speed

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What percentage of earth’s water supply is fresh water___________...?

(A) 3%

(B) 5%

(C) 21%

(D) None of these

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Most soluble in water is:__________...?

(A) Camphor

(B) Sulphur

(C) Common salt

(D) Sugar

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

(A) 1766

(B) 1896

(C) 1935

(D) 2001

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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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Transistor is a device that convert weak signal into__________...?

(A) small signal

(B) strong signal

(C) both

(D) none

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What is known the cold and dense air blowing down from the mountain slope during the night__________...?

(A) Anabatic Wind

(B) Katabatic wind

(C) Lue Wind

(D) None of these

Comments

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Severe deficiency of Vitamin D results in __________....?

(A) scurvy

(B) rickets

(C) night blindness

(D) None of these

Comments

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Second name of ethyl alcohol is___________...?

(A) Ethene

(B) Ethanol

(C) Propyle

(D) none

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Oxidation is a chemical reaction involving the __________...?

(A) Gain of Electrons

(B) Loss of Electrons

(C) Gain of Protons

(D) Loss of Protons

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Most drugs are excreted through_____________...?

(A) Kidney

(B) Skin

(C) Gallbladder

(D) Lungs

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When sugar is added to water, its boiling point:__________...?

(A) Increase

(B) Decrease

(C) Remain unchanged

(D) None of the above

Comments

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Other name of red blood cells is ____________...?

(A) Erythrocytes

(B) Leukocytes

(C) Thrombocytes

(D) None of these

Comments

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The human blood is divided into__________ groups...?

(A) Two groups

(B) Three groups

(C) Four groups

(D) Five groups

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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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Boiling of an egg is a change which is__________...?

(A) Physical

(B) Chemical

(C) Physiological

(D) Morphological

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The Reason for a Swimming Pool to appear Less Deep than the actual depth is__________...?

(A) Refraction

(B) Light scattering

(C) Reflection

(D) Interference

Comments

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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

Comments

Latest MCQs

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

(A) Brain

(B) Muscles

(C) Ligaments

(D) Bone Marrow

Comments

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Red blood corpuscles are formed in the____________...?

(A) Liver

(B) Bone marrow

(C) Kidneys

(D) Heart

Comments

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Goitre is associated with___________...?

(A) Pituitary gland

(B) Thyroid gland

(C) Thymus gland

(D) Para-Thyroid gland

Comments

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‘Bar’ is the unit of___________...?

(A) Temperature

(B) Heat

(C) Atmospheric pressure

(D) Current

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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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“Father of Optics” is the title given to__________...?

(A) Ibn-al-Haitham

(B) Ibn-e-Sina

(C) Al-Kandi

(D) Al-Biruni

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As you go down into a well, your weight__________...? Mcqs

PPSC Past Papers