If you are looking for the solved mcqs of Everyday Sciences then here we have shared the Everyday Sciences Solved MCQs with Answers for PPSC, NTS, FPSC and others.
1: Which is the outermost planet in the solar system?
- A. Mercury
- B. Pluto
- C. Neptune
- D. Uranus
2: Severe deficiency of Vitamin D results in __________.
- A. scurvy
- B. rickets
- C. night blindness
- D. osteomalacia
3: Milk contains water
- A. 70%
- B. 75%
- C. 80%
- D. 90%
4: The SI unit of charge is __________?
- A. Ampere
- B. Coulomb
- C. Ohm
- D. Volt
5: Very High Frequency (VHF) have __________ wavelengths?
- A. shorter
- B. shortest
- C. longer
- D. longest
6: Long-sight defect could be corrected by using __________ lens?
- A. concave
- B. Convex
- C. diverging
- D. none of these
7: Deficiency of Vitamin-A results in __________?
- A. Night blindness
- B. rickets
- C. scurvy
- D. hair fall
8: For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?
- A. also decrease
- B. increase
- C. remains constant
- D. none of these
9: The lifespan of Red Blood Cells is __________ days?
- A. 60
- B. 120
- C. 180
- D. 240
10: The density of water is __________?
- A. 1 g/cm3
- B. 1.5 g/cm3
- C. 2 g/cm3
- D. none of these
11: Radioactivity was discovered by __________?
- A. Kelvin
- B. Thomson
- C. Rutherford
- D. Bacquerel
12: A device which converts chemical energy into electrical energy is called __________?
- A. motor
- B. generator
- C. moving-coil meter
- D. battery
13: The Sun is a __________?
- A. Star
- B. Planet
- C. Asteroid
- D. Meteor
14: The gas used in a refrigerator to cool water is___________?
- A. Nitrogen
- B. Carbon dioxide
- C. Methane
- D. Ammonia
15: The average adult has a blood volume of about __________ liters.
- A. 4
- B. 5
- C. 6
- D. 7
16: The most abundant element in the universe is __________.
- A. Oxygen
- B. Hydrogen
- C. Carbon Dioxide
- D. Silicon
17: The most abundant element in the Earth’s crust is __________?
- A. Oxygen
- B. Hydrogen
- C. Carbon Dioxide
- D. Silicon
18: Each day human body breathe in __________ liters of air.
- A. 5,000 to 10,000
- B. 10,000 to 15,000
- C. 15,000 to 20,000
- D. 20,000 to 25,000
19: Deficiency of Vitamin-D results in __________?
- A. night blindness
- B. rickets
- C. scurvy
- D. hair fall
20: The SI unit of “pressure” is _________.
- A. pascal
- B. joule
- C. tesla
- D. henry
21: The most densest substance on the Earth is __________.
- A. Platinum
- B. Copper
- C. Steel
- D. Osmium
22: A camera uses a __________ to form an image.
- A. convex lens
- B. concave lens
- C. condenser lens
- D. none of these
23: Which from the following is NOT a conductor?
- A. Aluminium
- B. Silicon
- C. Graphite
- D. All are conductors
24: CNG stands for?
- A. Converted Natural Gas
- B. Conduced Natural Gas
- C. Conducted Natural Gas
- D. Compressed Natural Gas
25: Which from the following is true for “Sound”?
- A. Sound cannot travel through a vacuum
- B. Sound cannot travel through gases
- C. Sound cannot travel through liquids
- D. Sound cannot travel through solids
26: When white light is passed through a prism, it splits into __________ colours.
- A. 5
- B. 6
- C. 7
- D. 8
27: 1 nanometer = ?
- A. 10-3 meter
- B. 10-6 meter
- C. 10-9 meter
- D. 10-12 meter
28: Instrument used for measuring very high temperature is __________?
- A. Pyroscope
- B. Pyrometer
- C. Seismograph
- D. Xylometer
29: Sound waves are _________ waves.
- A. Transverse
- B. Electromagnetic
- C. Longitudinal
- D. none of these
30: The lifespan of White Blood Cells is __________ day(s)?
- A. 1 - 5 days
- B. 3 - 7 days
- C. 4 - 8 days
- D. 5 - 21 days
31: The fluid part of blood is known as __________?
- A. plasma
- B. platelets
- C. blood cells
- D. None of these
32: During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
- A. Salt
- B. Chlorine
- C. Carbon dioxide
- D. Water
33: In a very low temperature which from the following will freeze at last?
- A. River water
- B. Canal water
- C. Sea water
- D. Water in a lake
34: The nearest planet to the Earth is _________?
- A. Venus
- B. Mercury
- C. Mars
- D. Moon
35: The planet that moves round the Sun at the highest speed is?
- A. Jupiter
- B. Venus
- C. Mars
- D. Mercury
36: In general, Comets have __________ orbits
- A. Elliptical
- B. Highly elliptical
- C. Circular
- D. Parabolic
37: GPS is an abbreviation for?
- A. Global Poles System
- B. Global PolySiliconium Store
- C. Global Positioning System
- D. Global Position Structure
38: Oxidation is a chemical reaction involving the __________?
- A. Gain of Electrons
- B. Loss of Electrons
- C. Gain of Protons
- D. Loss of Protons
39: At night, Plants intake __________ and release __________?
- A. Oxygen - Carbon dioxide
- B. Carbon dioxide - Oxygen
- C. Oxygen - Carbon monoxide
- D. Carbon monoxide - Oxygen
40: Urine is produced in __________?
- A. Kidneys
- B. Lungs
- C. Large intestine
- D. Liver
41: Blood is cleaned by __________?
- A. Lungs
- B. Liver
- C. Heart
- D. Kidneys
42: The position of an element in the Periodic Table is determined by its __________ number?
- A. Electron
- B. Proton
- C. Neutron
- D. Positron
43: The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
- A. 1 gram
- B. 10 grams
- C. 1 kg
- D. 10 kg
44: The planet which is easily visible from the Earth is?
- A. Mercury
- B. Venus
- C. Mars
- D. Jupiter
45: The Great Spot is on the planet __________?
- A. Saturn
- B. Venus
- C. Mars
- D. Jupiter
46: 1 light year = ?
- A. 9.5×106 km
- B. 9.5×109 km
- C. 9.5×1012 km
- D. 9.5×1018 km
47: The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
- A. Mars
- B. Saturn
- C. Uranus
- D. Jupiter
48: The planets visible to us without using a telescope are __________?
- A. 3
- B. 4
- C. 5
- D. 6
49: According to Big Bang Theory, the Universe began about __________ billion years ago.
- A. 10 - 20
- B. 20 - 30
- C. 30 - 40
- D. 40 - 50
50: Biosensor is used to measure?
- A. Blood glucose level
- B. The body pH value
- C. Amount of hemoglobin
- D. Salinity in Urine
51: Einstein’s famous equation which states that mass and energy are interchangeable is?
- A. E = mc2
- B. E = cm2
- C. M = ec2
- D. M = ce2
52: The SI unit of electric current is?
- A. Coloumb
- B. Ampere
- C. Volt
- D. Watt
53: The principal constituent of the atmosphere of the Earth is?
- A. Oxygen
- B. Carbon
- C. Hydrogen
- D. Nitrogen
54: What is Dry Ice?
- A. Solid Oxygen
- B. Solid Carbon Dioxide
- C. Solid Hydrogen
- D. Solid Nitrogen
55: What are the primary colors?
- A. White, Black, Blue
- B. Red, Yellow, Blue
- C. Red, Orange, Blue
- D. Red, Green, Blue
56: Digestion of food is completed in the __________?
- A. small intestine
- B. large intestine
- C. stomach
- D. Liver
57: Carrot is good source of Vitamin _______?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
58: For proper formation of teeth, __________ is essential?
- A. iodine
- B. copper
- C. fluorine
- D. iron
59: Deficiency of __________ causes loss of appetite and poor growth?
- A. zinc
- B. iodine
- C. copper
- D. iron
60: Meteorology is the study of?
- A. seasons
- B. atmosphere
- C. air and sounds
- D. winds and clouds
61: The Carbon Dioxide in the atmosphere, by volume, is_______?
- A. 0.039%
- B. 3.9%
- C. 13%
- D. 30%
62: Diamond is an allotropic form of_______?
- A. Carbon
- B. Hydrogen
- C. Nitrogen
- D. Silicon
63: The SI unit of Heat is________?
- A. Watt
- B. Volt
- C. Joule
- D. Newton
64: The good sources of Vitamin-A are?
- A. green leafy vegetables
- B. seeds
- C. fresh vegetables and fruits
- D. sea foods
65: The good sources of Vitamin-B Complex are?
- A. green leafy vegetables
- B. seeds
- C. fresh vegetables and fruits
- D. sea foods
66: The good sources of Vitamin-C are________?
- A. green leafy vegetables
- B. seeds
- C. fresh vegetables and fruits
- D. sea foods
67: The good sources of iodine are_______?
- A. green leafy vegetables
- B. seeds
- C. fresh vegetables and fruits
- D. sea foods
68: The gas, commonly known as “laughing gas”, is
- A. Carbon Dioxide
- B. Sulfur Dioxide
- C. Nitrous Oxide
- D. Sodium Oxide
69: The source of oxygen in photosynthesis is
- A. water
- B. salts
- C. minerals
- D. glucose
70: The instrument used to measure wind speed is?
- A. Anemometer
- B. Barometer
- C. Hydrometer
- D. Hygrometer
71: The natural fats and oils are composed of_________?
- A. Carbon, Hydrogen and Oxygen
- B. Carbon, Hydrogen and Nitrogen
- C. Carbon, Oxygen and Nitrogen
- D. Hydrogen, Oxygen and Nitrogen
72: The energy value of food is measured in_______?
- A. Joule
- B. Calories
- C. Tesla
- D. Proteins
73: Wind energy is the __________ energy.
- A. Potential
- B. Transverse
- C. Kinetic
- D. Mechanical
74: Who is considered the founder of meteorology?
- A. Aristotle
- B. Plato
- C. Einstein
- D. Newton
75: Water covers __________ of the Earth’s surface?
- A. 60%
- B. 65%
- C. 70%
- D. 75%
76: In general, wind speed of 105-137 caused_______?
- A. minor or no damage
- B. considerable damage
- C. severe damage
- D. extreme damage
77: Acid rain is mainly caused by emissions of __________ in the atmosphere?
- A. Sulfur Dioxide and Potassium Nitrate
- B. Sulfur and Charcoal
- C. Nitrogen Oxide and Potassium Nitrate
- D. Sulfur Dioxide and Nitrogen Oxide
78: About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
- A. Oxygen
- B. Cabon Dioxide
- C. Silicon
- D. Clay
79: The fourth state of matter is?
- A. Water
- B. Salts
- C. Vapours
- D. Plasma
80: The device used to convert Alternate Current into Direct Current is called?
- A. Anemometer
- B. Battery
- C. Galvanometer
- D. Rectifier
81: In night, when photosynthesis is stopped, plants__________?
- A. take in Carbon Dioxide
- B. take in Oxygen
- C. give off Carbon Dioxide
- D. give off Oxygen
82: __________ are called the powerhouses of the cell?
- A. Mitochondria
- B. Vesicles
- C. Lungs
- D.Liver
83: One of the countries through which equator passes is___________?
- A. Kenya
- B. Malaysia
- C. Malta
- D. Pakistan
84: Copper can be converted into gold by ?
- A. Artificial radioactivity
- B. heating
- C. Electroplating
- D. Chemical reaction
85: The three elements needed for healthy growth of plants are __________?
- A. N, P, K
- B. N, C, P
- C. N, K,
- D. N, S, P
86: Clocks, which moves with the velocities comparable with the velocity of light, run ?
- A. fast
- B. slow
- C. equal to the velocity of light
- D. with zero velocity
87: Max Planck received the noble prize in Physics in 1918 for his discovery of ?
- A. electron
- B. energy quanta
- C. photon
- D. positron
88: Bronze medal is made up of metals ?
- A. copper,nickel
- B. copper, tin
- C. copper, silver
- D. copper, zinc
89: Addison’s disease is caused by the excessive secretion of ?
- A. Antiduretic Harmone
- B. Luteinising Harmone
- C. Melanophore stimulating Harmone
- D. Adrenocorticotrophic Harmone
90: Humming bird belongs to a category called ?
- A. Ectotherm
- B. Endotherm
- C. Exotherm
- D. Heterotherm.
91: Radioactive isotope of Uranium used in Nuclear Bomb is ?
- A.92 U 235
- B.92 U 234
- C. 92 U 233
- D. 92 U 238
92: Human population growth is greatest in developing countries because ?
- A. the birth rate is high in developing countries
- B. the death rate is high in developing countries.
- C. much of the population has already reached the child bearing age.
- D. most of the world’s population lives in industrialized countries.
93: Which woody raw material is used for the manufacture of paper pulp?
- A. Cotton
- B. Poplar
- C. Bagasse
- D. Rice straw
94: Rectified spirit contains alcohol about ?
- A. 80%
- B. 95%
- C. 70%
- D. 85%
95: Which of the following elements is not present abundantly in earth’s crust ?
- A. Silicon
- B. Radium
- C. Aluminum
- D. Carbon
96: The famous book; Al - Qanun was written by the Muslim scientist ?
- A. Jabar bin Hayyan
- B. Zakariya Al - Razi
- C. Abu Ali Sina
- D. Abdul Qasim Majreeti
97: Basic metals can be converted into gold by ?
- A. Heating
- B. Beating
- C. Artificial nuclear radioactivity
- D. Chemical reaction
98: A light year is a unit of ?
- A. Time
- B. Energy
- C. Length
- D. Mass
99: One of the main function of the earth’s ozone layer is to ?
- A. Prevent global warming
- B. Filter out ultraviolet rays
- C. Absorb pollution
- D. All of the above
100: Person with following blood group are considered to be universal recipient ?
- A. A+
- B. B+
- C. AB+
- D. O+
101: Study of life in outer space is known as ?
- A. Endobiology
- B. Exobiology
- C. Enterobiology
- D. Neobiology
102: The name of the common mineral salt present in sweat is ?
- A. Calcium Oxalate
- B. Potassium Sulphate
- C. Sodium Chloride
- D. Iron Sulphate
103: Sensitive layer of the eye is?
- A. Choriods
- B. Sclerotic
- C. Retina
- D. Cornea
104: Laughing gas has chemical composition of following two elements ?
- A. Nitrogen + Hydrogen
- B. Nitrogen + Carbon
- C. Nitrogen + Oxygen
- D. Oxygen + Carbon
105: Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________?
- A. Electromagnetic force and gravitational force
- B. Electromagnetic force and weak nuclear force
- C. Gravitational force and weak nuclear force
- D. Weak nuclear force and strong nuclear force
106: Which triplet in DNA codes for valine ?
- A. CTT
- B. AGU
- C. CAT
- D. None of these
107: What is the chance of diabetic baby born to parents both heterogeneous normal ?
- A. Zero
- B. 1/4
- C. 1/2
- D. 3/4
108: Which of the following is not a part of Darwinism?
- A. Over production
- B. Natural selection
- C. Inheritance for acquired characters
- D. Competition for survival
109: Role of biotechnology in the production of food based on ___________?
- A. Decomposition
- B. Respiration
- C. Digestion
- D. Fermentation
110: Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus ?
- A. Cigarette smoking
- B. Using alcholo
- C. Injection of heroine
- D. Taking too much aspirin
111: Founder of modern astronomy was _________________?
- A. Archimedes
- B. William Gilbert
- C. Nicolas Copernicus
- D. Michael Faraday
112: The instrument which measures very high temperature is____________?
- A. Manometer
- B. Thermostat
- C. Chronometer
- D. Pyrometer
113: The science which deals with study of manners and customs of people is ?
- A. Ethnology
- B. Morphology
- C. Ethics
- D. Genetics
114: Chemical used to kill rats and mice are ?
- A. Insecticides
- B. Rodenticides
- C. Fungicides
- D. Herbicides
115: Dry ice is ___________?
- A. Methane hydrate
- B. Liquid Nitrogen
- C. Solid Carbon dioxide
- D. Frozen Water
116: Chemical name of vinegar is _____________?
- A. Sodium Nitrate
- B. Dilute acetic acid
- C. Chloride of lime
- D. Calcium
117: Defeciency of following vitamin decreases hemoglobin production ?
- A. Biotin
- B. Thiamine
- C. Niacin
- D. Pyridoxine
118: Hygrometer is used for measuring the ____________?
- A. Speed of sound
- B. Density of milk
- C. Humidity of air
- D. Specific gravity of liquids
119: Bronze is an alloy of ____________?
- A. Copper and Zinc
- B. Tin and Zinc
- C. Copper and Tin
- D. Iron and Zinc
120: Which of the following is most elastic ?
- A. Steel
- B. Rubber
- C. Glass
- D. Sponge
121: Orbital period of the planet Mercury around the sun is _____________?
- A. 88 days
- B. 365 days
- C. 2 years
- D. 98 days
122: The most splendid and the most magnificent constellation on the sky is?
- A. Orion
- B. Columbia
- C. Canis Major
- D. Taurus
123: Eugenics is the study of___________________?
- A. Altering human beings by changing their genetic components
- B. People of European region
- C. Different races of mankind
- D. Genetic of plants
124: The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?
- A. Aphelion
- B. Perihelion
- C. Perigee
- D. Apogee
125: Diamond is a very expensive ornament. It is composed of a single element ___________?
- A. Carbon
- B. Gold
- C. Silver
- D. Platinum
126: Which of the following layers make radio transmission possible?
- A. Troposphere
- B. Ionosphere
- C. Mesosphere
- D. Stratosphere
127: Which of the following explains the reason why there is no total eclipse of the sun?
- A. Size of the earth in relation to that of moon
- B. Orbit of moon around earth
- C. Direction of rotation of earth around sun
- D. Area of the sun covered by the moon
128: Television signals are converted into light signals by___________?
- A. Optical fiber
- B. Transistor
- C. Decoder
- D. Photo diode
129: Where do most of Asteroids lie?
- A. In asteroid belt between the orbits of Mars and Jupiter
- B. In asteroid belt between the orbits of Mars and Venus
- C. In asteroid belt between the orbits of Jupiter and Venus
- D. Everywhere in the sky
130: The number of spark plugs needed in a diesel engine is__________?
- A. 2
- B. 3
- C. 0
- D. 4
131: The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
- A. 4 days
- B. 12 days
- C. 16 days
- D. 8 days
132: The term ‘Blue Shift’ is used to indicate?
- A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
- B. Turning a star from white to blue
- C. In future sun would become blue
- D. Black hole was blue at its start
133: Kilowatt-hour is a unit of____________?
- A. Power
- B. Electric Current
- C. Energy
- D. Time
134: Fuel used in a Fast Breeder Reactor is _____________?
- A. Uranium Oxide
- B. Uranium Plutonium carbide
- C. Uranium Plutonium Oxide
- D. Uranium thorium Oxide
135: Monsoon is caused by____________________?
- A. Seasonal reversal of winds
- B. Revolution of earth
- C. Movement of clouds
- D. Rise in temperature
136: Which of the following atmospheric layers help in radio communication?
- A. Exosphere
- B. Ionosphere
- C. Troposphere
- D. Stratosphere
137: A moderator is used in nuclear reactor in order to ?
- A. Accelerate the neutrons
- B. Slow down the speed of the neutrons
- C. Increase the number of elections
- D. Decrease the number of electrons
138: Sedimentary rocks are__________?
- A. Porous
- B. Hard
- C. Rough
- D. Brittle
139: Which one of the following is a non-metallic mineral?
- A. Manganese
- B. Magnesium
- C. Gypsum
- D. Bauxite
140: Ozone layer prevents ______________ radiation from entering the atmosphere?
- A. Infra-red
- B. Ultraviolet
- C. X-rays
- D. Gamma rays
141: 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
142: Yeast is used in making bread because it produces____________?
- A. Carbon dioxide
- B. Sugar
- C. Bacteria
- D. Oxygen
143: Oasis is associated with___________?
- A. Glaciers
- B. Desert
- C. Islands
- D. Volcanoes
144: Quartz crystal in quartz watches work on the principle called?
- A. Photoelectric effect
- B. Stark effect
- C. Thermionic effect
- D. Piezo-electric effect
145: The fruits without seed, like banana, are called_____________?
- A. Seedless fruits
- B. Parthenogenesis fruits
- C. Parthenocarpic fruits
- D. placental fruits
146: Animal which captures and readily kills living animals for its food is called___________?
- A. Parasite
- B. Scavenger
- C. Predator
- D. Mammal
147: In a railway track, two rails are joined end to end with a gap tin between them because?
- A. Steel can be saved
- B. Accidents due to contraction in winter can be avoided
- C. Air gaps are necessary for bearing the weight of running train
- D. Accidents due to expansion in summer can be avoided
148: Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?
- A. Al-Qanun
- B. Al-Masudi
- C. New Renaissance
- D. Tadhkira
149: Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?
- A. Conduction
- B. Convection
- C. Radiation
- D. Reflection
150: In winter an iron pipe feel colder than a wooden window . This is because wood is_______?
- A. Conductor
- B. Non-Conductor
- C. Semi- Conductor
- D. Not a solid while iron is a solid
151: The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
- A. 1120 ft
- B. 120 ft
- C. 56 ft
- D. 100 ft
152: It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______?
- A. pitch
- B. Frequency
- C. Time period
- D. Quality
153: 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
154: A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ?
- A. 6 feet
- B. 12 feet
- C. 4 feet
- D. 3 feet
155: The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
- A. red waves
- B. Infrared waves
- C. Ultrasonic
- D. super sonic
156: In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?
- Chemical Reaction
- B. Nuclear reaction
- C. Fission nuclear reaction
- D. Fusion nuclear reaction
157: Parsec is a unit of ___________?
- A. Energy
- B. Time
- C. Power
- D. Distance
158: German Silver is an alloy of___________?
- A. Zn + Ni
- B. Cu + Zn
- C. Cu + Ni
- D. Cu + Sn
159: The Continent Antarctica lies at the__________?
- A. North pole
- B. South pole
- C. middle of the earth
- D. Equator
160: The temperature of the dead body is_______________?
- A. 0 ‘C
- B. 37 ‘
- C. Room Temperature
- D. Temperature of the place where it is kept
161: Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________?
- A. Honey
- B. Water
- C. Milk
- D. olive oil
162: Cusec is a unit of _________?
- A. Area
- B. Time
- C. Distance
- D. None of these
163: The deepest place on earth is ____________?
- A. Trench
- B. Mariana Trench
- C. Mangrove
- D. Groove
164: Twinkling of stars is caused by ?
- A. Reflection of light
- B. Polarization of light
- C. refraction of light
- D. Interference of light
165: Magnifying power of a simple microscope can be increased by ?
- A. increasing focal length of the lens
- B. Decreasing focal length of the lens
- C. Lens of large aperture
- D. lens of short aperture
166: A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?
- A. Current
- B. Voltage
- C. Nuclear Radiation
- D. power
167: A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
- A. 25 miles per sec
- b ) 60 miles per sec
- C. 7 miles per sec
- D. 10 miles per sec
168: Night vision is possible with the help of ___________?
- A. Red light
- B. Violet light
- C. Infrared Rays
- D. Ultra violet Light
169: Myopia is a defect of Human eye. it can be corrected by using a lens called?
- A. Convex lens
- B. Concave lens
- C. Cylindrical lens
- D. Plano convex lens
170: 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
171: In humans , most nutrient molecules are absorbed by the ?
- A. Small intestine
- B. Stomach
- C. Liver
- D. Large intestine
172: Cobalt is a material which is ?
- A. Strongly attracted by a magnet
- B. Not attracted by a magnet
- C. not a magnet
- D. Weakly attracted by a magnet
173: What is the body temperature of a normal man?
- A. 81.1oC
- B. 36.9oC
- C. 98.6oC
- D. 21.7oC
174: Which of the following helps in clotting of blood?
- A. Vitamin B1
- B. Vitamin B2
- C. Vitamin D
- D. Vitamin K
175: Total volume of blood in a normal adult human being is
- A. 5-6 liters
- B. 3-4 liters
- C. 8-10 liters
- D. 10-12 liters
176: Red blood corpuscles are formed in the____________?
- A. Liver
- B. Bone marrow
- C. Kidneys
- D. Heart
177: How many bones are there in an adult human being?
- A. 210
- B. 260
- C. 206
- D. 300
178: Tibia is a bone found in the ____________?
- A. Skull
- B. Arm
- C. Leg
- D. Face
179: The largest part of the human brain is ___________?
- A. Medulla oblongata
- B. Cerebellum
- C. Cerebrum
- D. None of these
180: What is the main component of bones and teeth?
- A. Calcium carbonate
- B. Calcium phosphate
- C. Calcium sulphate
- D. Calcium nitrate
181: The main constituent of hemoglobin is___________?
- A. Chlorine
- B. Iron
- C. Calcium
- D. None of these
182: 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
183: The function of hemoglobin is____________?
- A. Transportation of oxygen
- B. Destruction of bacteria
- C. Prevention of anemia
- D. Utilization of energy
184: Which of the following glands secrete tears?
- A. Lachrymal
- B. Pituitary
- C. Thyroid
- D. Pancreas
185: Which is the largest gland in the human body?
- A. Thyroid
- B. Liver
- C. Pancreas
- D. None of these
186: Which is the largest organ in the human body?
- A. Liver
- B. Heart
- C. Skin
- D. Kidney
187: A person of which of the following blood groups is called a universal donor?
- A. O
- B. AB
- C. A
- D. B
188: Which gland in the human body is called the master gland?
- A. Pancreas
- B. Thyroid
- C. Pituitary
- D. Spleen
189: How many bones are there in a newly born infant?
- A. 206
- B. 230
- C. 280
- D. 300
190: Which of the following have maximum calorific value?
- A. Carbohydrates
- B. Fats
- C. Proteins
- D. Vitamins
191: Which of the following vitamins promote healthy functioning of eyes in human beings?
- A. Vitamin B
- B. Vitamin C
- C. Vitamin A
- D. Vitamin D
192: The average heartbeat per minute in a normal man is _________?
- A. 50
- B. 70
- C. 80
- D. 100
193: A person with which of the following blood groups can receive blood of any group?
- A. A
- B. AB
- C. B
- D. O
194: Malaria is a disease which effects the____________?
- A. Heart
- B. Lungs
- C. Spleen
- D. Kidneys
195: Which of the following diseases is caused by virus?
- A. Small pox
- B. Tuberculosis
- C. Malaria
- D. Cholera
196: Medulla oblongata is a part of human ___________?
- A. Heart
- B. Brain
- C. Liver
- D. Sex organ
197: Myopia is a disease connected with_________?
- A. Ears
- B. Eyes
- C. Lungs
- D. Brain
198: Leukemia is a disease of the___________?
- A. Lungs
- B. Blood
- C. Skin
- D. Nerves
199: Short-sightedness can be corrected by using ___________?
- A. Convex lens
- B. Concave lens
- C. Convex-concave lens
- D. Concave-convex lens
200: Trachoma is a disease of the___________?
- A. Liver
- B. Eyes
- C. Lungs
- D. Kidneys
201: ECG is used for the diagnosis of aliments of ?
- A. Brain
- B. Heart
- C. Kidneys
- D. Lungs
202: Dialysis is used for the treatment of__________?
- A. Kidney failure
- B. Heart weakness
- C. Brain diseases
- D. None of these
203: The most important stimulant in tea leaves is?
- A. Brucine
- B. Caffeine
- C. Phenylalanine
- D. Theine
204: Dolly is the name of the ?
- A. First cloned sheep
- B. First cloned monkey
- C. First test-tube baby
- D. First human fossil
205: Which part of the Camera is analogue to the retina in the human eye?
- A. Lens
- B. Film
- C. Aperture
- D. Shutter
206: When a person enters a dark room from bright light he is not able to see clearly for a little while because the?
- A. Eye is unable to adjust itself immediately
- B. Retina becomes insensitive momentarily
- C. Iris is unable to dilate the pupil immediately
- D. Distance between the lens and retina take time to adjust
207: What is the average adult pulse rate?
- A. 140-150
- B. 115-125
- C. 72-80
- D. 60
208: The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?
- A. Selective absorption of light
- B. Selective re ection of light
- C. Sinterference of light
- D. Natural colour pattern of feathers
209: A lake starts freezing because of the cold atmosphere. It will first freeze
- A. At the bottom
- B. ln the middle pan
- C. At the top surface
- D. Uniformly throughout the water body
210: The sun appears red at sunrise and sunset while it appears white at noon, because
- A. Of refraction
- B. It is cooler at sunrise and at sunset
- C. Of diffraction leading to red end of the spectrum reaching the earth.
- D. Of Scattering of light due to dust particles and air molecules.
211: An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
- A. The mass of the astronaut is reduced to zero
- B. Gravity inside the spacecraft ceases to act
- C. The astronaut is outside the influence of the earth’s gravitational force
- D. The astronaut and the spacecraft are both in a free-failing state
212: An iceberg is floating in sea. How much of its mass will remain above the surface of water?
- A. One tenth
- B. One fifth
- C. One fourth
- D. One third
213: Most of the ozone in the atmosphere is concentrated in the _____________?
- A. Mesosphere
- B. Troposphere
- C. Stratosphere
- D. ionosphere
214: The cow’s milk contains how much amount of water in terms of percentage?
- A. 60%
- B. 65%
- C. 72%
- D. 80%
215: T.V. transmission cannot cover a very large area because
- A. the strength of T.V. waves is very limited
- B. picture cannot be transmitted clearly after a specific distance
- C. the shape of the earth is spherical
- D. the air is not a good conductor of light and sound/waves
216: The Green House Effect is caused by an excess of ?
- A. Carbon dioxide
- B. Carbon monoxide
- C. Carbon tetrachloride
- D. None of the above
217: Bats can also fly in dark because they are capable of taking the help of _________?
- A. Ultraviolet Waves
- B. Ultrasonic Waves
- C. Electromagnetic Waves
- D. Special Retina
218: What is ‘Stealth Technology‘?
- A. A device which when attached to an aircraft makes it invisible on the radar
- B. A coating which reduces the visibility of an aircraft on radar
- C. A Technology by which it is possible for the aircraft’s to spy in the enemy air-space
- D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.
219: The primary function of the feathers in birds is to _________?
- A. Provide insulation for preserving body heat
- B. Provide striking surface to the wings for flying
- C. Make the body surface waterproof
- D. impart coloration for species as well as sex recognition
220: The rear view mirror of a motor vehicle is ________?
- A. Concave
- B. Plane
- C. Convex
- D. Biconcave
221: 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
222: 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
223: Which one of the following sets of color combinations is added in color vision in TV’?
- A. Red, green and blue
- B. Orange, back and violet
- C. White. red and yellow
- D. Yellow, green and blue
224: 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
225: Water is a highly effective coolant for a car engine because _________?
- A. Water is good conductor of heat
- B. Water has very high specific heat capacity
- C. Water boils at a comparatively high temperature
- D. Evaporation of water produces lot of cooling
226: Scalding with steam is more severe than scalding by boiling water because_______?
- A. Steam can penetrate the skin
- B. Steam is at a higher temperature
- C. Steam contains more energy than boiling water
- D. Steam is at a higher pressure
227: In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________?
- A. Electroplating
- B. Annealing
- C. Galvanization
- D. Vulcanization
228: The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?
- A. The hair barging against the charged comb
- B. Small electric sparks
- C. The rubbing of the comb with the hair
- D. None of the above
229: Detergents dissolved in water help in cleaning clothes by_________?
- A. Increasing the temperature of water
- B. Reacting chemically with dirt
- C. Reducing the surface tension of water
- D. Dissolving dirt
230: The absorption of ink by blotting paper involves__________?
- A. Viscosity of ink
- B. Capillary action phenomenon
- C. Diffusion of ink through the blotting
- D. Siphon action
231: Materials for rain-proof coats and tents owe their water proof properties to________?
- A. Surface tension
- B. Viscosity
- C. Specific gravity
- D. Elasticity
232: A satellite moving round the earth with a uniform speed has____________?
- A. An accelerated motion
- B. No acceleration at all
- C. Uniform acceleration
- D. Uneven acceleration
233: For being able to see three-dimensional pictures we have to use_________?
- A. A binocular
- B. A camera
- C. An epidiascope
- D. A stereoscope
234: Water has maximum density at____________?
- A. 0°C
- B. 4°C
- C. 4° K
- D. 4.8°C
235: The theory of Expanding Universe was first propounded by____________?
- A. Einstein
- B. Newton
- C. Gahleo
- D. Hubble
236: An instrument to detect the purity of milk is____________?
- A. Lactometer
- B. Hygrometer
- C. Manometer
- D. Sonometer
237: Coulomb is the scientific unit to measure?
- A. Velocity
- B. Temperature
- C. Mass
- D. None OF These
238: Who proposed this concept “All motion is relative”?
- A. Albert Einstein
- B. John Kepler
- C. Galileo Galilie
- D. None
239: The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?
- A. Botany
- B. Zoology
- C. Astronomy
- D. None
240: Albatros is__________?
- A. A sea bird
- B. A beetle
- C. A fruit
- D. None
241: The sunlight can reach a depth of___________meters in the ocean
- A. 80
- B. 100
- C. 120
- D. None
242: The biggest planet in our solar system is___________?
- A. Venus
- B. Pluto
- C. Jupiter
- D. None
243: The biggest species of the cat family is___________?
- A. Tiger
- B. Lion
- C. Leopard
- D. None
244: Which group of animals has heterogametic females?
- A. Domestic fowl
- B. Earthworm
- C. Rabbit
- D. None
245: The dominant phase of life cycle in these organism is haploid?
- A. Mosses
- B. Bacteria
- C. Protozoa
- D. None
246: The atmosphere of moon consists of______________?
- A. 90% Hydrogen, 10% Nitrogen
- B. 80%Nitrogen, 20% Hydrogen
- C. 60% Nitrogen, 40%inert gases
- D. None
247: The chemical name of quartz is:
- A. Silicon Dioxide
- B. Stannous Oxide
- C. Aluminium Oxide
- D. None
248: Which month of calendar year can lack a new moon?
- A. December
- B. February
- C. May
- D. None
249: Deuterium differs from Hydrogen in having:
- A. Different atomic number but same atomic weight
- B. Different atomic number and different atomic weight
- C. Same atomic number and different atomic weight
- D. None
250: One of the following is a water soluble vitamin?
- A. Vitamin A
- B. Vitamin D
- C. Vitamin K
- D. None
251: Equator passes through one of these countries___________?
- A. Saudi Arabia
- B. Italy
- C. Japan
- D. None
252: Anti Diuretic hormone is secreted by one of the following glands?
- A. Pituitary
- B. Pancreas
- C. Thyroid
- D. None
253: Basha Dam is to be constructed on___________?
- A. River Sutlaj
- B. River Jhelum
- C. River Chenab
- D. None (On Indus River in Gilgit-Baltistan)
254: UV light falls in the category of___________?
- A. Ionizing Radiations
- B. Non Ionizing Radiation
- C. Visible light
- D. None
255: The earth’s ___________ is divided into 15 major plates of various sizes
- A. Mesosphere
- B. Stratosphere
- C. Lithosphere
- D. None
256: One of these scientists formulated basic laws of Geometry?
- A. Pythagorus
- B. Archimedes
- C. Aristotle
- D. None
257: Phosphorus is an essential component of one of the following biological molecules:
- A. Amino acids
- B. Nucleic acids
- C. Carbohydrates
- D. None
258: He was the first scientist to prove that plants move around the sun?
- A. Archimedes
- B. Galileo Galilei
- C. John Kepler
- D. None
259: Atom is made up of____________different kinds of subatomic particles:
- A. Three
- B. Two
- C. Four
- D. None
260: 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
261: The Beta particles are fast moving___________?
- A. Protons
- B. Electrons
- C. Neutrons
- D. None
262: One of the following countries produces maximum energy from atomic reactors?
- A. France (80% from its Nuclear Reactors)
- B. USA
- C. UK
- D. none
263: The unit to measure the quantity of Ozone in atmosphere is?
- A. Dobson
- B. Dalton
- C. Cuolomb
- D. none
264: The severity of 2005 earthquake in Pakistan on Richter scale was ?
- A. 6.9
- B. 7.6
- C. 7.1
- D. none
265: Geiger-Muller counter is used to detect__________?
- A. Protons
- B. Neutrons
- C. Photons
- D. none
266: Vacuum tubes have been replaced by__________?
- A. Conductors
- B. Diodes
- C. Transistors
- D. None of these
267: It is a secondary plant nutrient?
- A. Nitrogen
- B. Phosphorus
- C. Sulphur
- D. none
268: An area of microbiology that is concerned with the occurence of disease in human population is?
- A. Immunology
- B. Paracitology
- C. Epidemiology
- D. none
269: The number of electrons of a neutral atom is automatically known if one knows the?
- A. Atomic number
- B. Atomic weight
- C. Number of orbitals
- D. none
270: Which of the following is not an enzyme?
- A. Chemotrypsin
- B. Secretin
- C. Pepsin
- D. none
271: It is impossible for a type of O+ baby to have a type of____________mother:
- A. AB-
- B. O-
- C. O+
- D. none
272: Serum if blood plasma minus its?
- A. Calcium ions
- B. Clotting proteins
- C. Globulins
- D. none
273: The autonomic nervous system innervates all of these except?
- A. Cardiac muscles
- B. Skeletal muscles
- C. Smooth muscles
- D. none
274: The damage to the_________nerve could result in the defect of the eye movement:
- A. Optic
- B. Trigeminal
- C. Abducens
- D. none
275: Which of these is not a region of the spinal cord?
- A. Thoracic
- B. Pelvic
- C. Lumbar
- D. none
276: The shape of the external ear is due to____________?
- A. Elastic cartilage
- B. Fibrocartilage
- C. Articular cartilage
- D. none
277: When a patient’s immune system becomes reactive to a drug, this is an example of?
- A. Super infection
- B. Drug resistance
- C. Allergy
- D. none
278: What is the smallest unit of heredity?
- A. Chromosomes
- B. Gene
- C. Nucleotides
- D. none
279: The approximate intensity level of the sound which can cause damage to the ear drum is?
- A. 20 dB
- B. 60 dB
- C. 100 dB
- D. 160 dB
280: Fuse wire is made of_____________?
- A. 63% tin and 37% lead
- B. 63% lead and 37% tin
- C. 63% tin and 37% aluminum
- D. 63% lead and 37% aluminum
281: Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere?
- A. Carbon dioxide
- B. Chlorofluorocarbons
- C. Nitrogen oxides
- D. Methane
282: Steering of a car involves?
- A. A single force
- B. Two forces acting in the same direction
- C. Two forces acting along different lines and in opposite direction.
- D. A pair of forces acting along the same line and in opposite direction
283: The property by virtue of which metals can be beaten into thin sheets is known as?
- A. Ductility
- B. Malleability
- C. Conductivity
- D. Density
284: 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
285: 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
286: When water is filled in a bottle and is allowed to freeze, the bottle breaks because
- A. Water expands on freezing
- B. Bottle contracts at freezing point
- C. temperature outside the bottle is less than that inside the bottle.
- D. None of the above
287: People living in high altitudes (like mountains) usually have a _________?
- A. smaller number of Red Blood Cells
- B. larger number of Red Blood Cells
- C. smaller number of White Blood Cells
- D. larger number of White Blood Cells
288: Copper is used in the production of___________?
- A. Brick kilns
- B. Children toys
- C. Kitchen utilities
- D. Electric wires
289: The blue colour of clear sky is due to_______________?
- A. Reflection of light
- B. Refraction of light
- C. Diffraction of light
- D. Dispersion of light
290: A device that converts mechanical energy into electric energy is called_______?
- A. Motor.
- B. Transformer.
- C. Coil.
- D. Generator.
291: _________ is anything that takes up space and has mass.
- A. Matter
- B. Gravity
- C. Energy
- D. Plasma
292: All matter is made of ___________?
- A. Air
- B. Water
- C. Vibrations
- D. Atoms
293: What are considered the building blocks of matter?
- A. Molecules
- B. Protons
- C. Elements
- D. Atoms
294: What are the three subatomic particles of an atom?
- A. Protons,Neutrons & Electrons
- B. Protons,Nucleus & Electrons
- C. Protons,Nucleus & Elements.
- D. Elements,Nucleus & Protons
295: The protons and neutrons are found in the center of the atom, which is called the _________of the atom?
- A. Nucleus
- B. Headquarters
- C. Hub
- D. None of These
296: _____________ are positively (+) charged particles?
- A. Neutrons
- B. Electrons
- C. Protons
- D. None of These
297: ___________are negatively (-) charged particles of an atom?
- A. Protons
- B. Neutrons
- C. Electrons
- D. None of These
298: ____________ have no charge?
- A. Neutrons
- B. Protons
- C. Electrons
- D. None of These
299: Elements are made of _________?
- A. Atoms
- B. Molecules
- C. H2O
- D. Compounds
300: SI unit of time is_________?
- A. second
- B. kilo gram
- C. meter
- D. volt
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