100 Every Day Science Sample MCQs Notes


1. 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
e) None of these
2. A time can come
when we will be able to design a machine which can go on working for ever
without the expenditure of energy. Is it possible ?
a) No
b) Yes
c) In due course time
d) Very soon
e) None of these
3. The measurement of
rainfall is made by an instrument known as :
a) Hydrometer
b) Barometer
c) Hygrometer
d) Pedometer
e) None of these
4. Light year is a
unit of :
a) Distance
b) Time Period
c) Light intensity
d) Time
e) none of these
5. Three elements
needed for the healthy growth of plants are :
a) N,P,K
b) N,C,P
c) N,K,C
d) N,S,P
e) none of these
6.Copper can be
converted into gold by :
a) Heating
b) Artificial Radioactivity
c) Electroplating
d) Chemical reaction
e) None of these
7. 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
e) None of these
8. 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) 56fft
d) 100 ft
e) None of these
9. 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
e) None of these
10. 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
e) None of these
11. 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
e) None of these
12. 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
e) None of these
13. 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 :
a) Chemical Reaction
b) Nuclear reaction
c) Fission nuclear reaction
d) Fusion nuclear reaction
e) None of these
14. Parsec is a unit
of :
a) Energy
b) Time
c) Power
d) Distance
e) None of these
15. German Silver is
an alloy of:
A) Zn + Ni
b) Cu + Zn
c) Cu + Ni
d) Cu + Sn
e) None of these
16. The Continent
Antarctica lies at the:
a) North pole
b) South pole
c) middle of the earth
d) Equator
e) None of these
17. The temperature of the dead body is:
a) 0 ‘C
b) 37 ‘
c) room temperature
d) temperature of the place where it is kept
e) None of these
18. Lactometer is a
type of Hydrometer which is used to measure the specific gravity of :
a) Honey
b) Water
c) Milk
d) olive oil
e) None of these
19. Cusec is a unit of
a) Area
b) Time
c) Distance
d) mass
e) None of these
20. The deepest place
on earth is :
a) Trench
b) Mariana Trench
C) Mangrove
d) Groove
e) None of these
21. Twinkling of stars is caused by :
a) Reflection of light
b) Polarization of light
c) refraction of light
d) Interference of light
e) None of these
22. 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
e) None of these
23. Bronze medal is
made up of metal :
a) Copper , Zinc
b) Copper , Nickle
c) Copper , Tin
d) Sopper , Silver
24. One of the
countries through which equator passes is :
a) Kenya
B) Pakistan
c) Malaysia
d) Malta
e) None of these
25. A very important
practical application of properties of matter is hoeing or “godi” practiced by
the farmers. This property of matter is called :
a) Elasticity
b) Stress
c) Capillarity
d) Strain
e) None of these
26. It is observed
that the total pressure exerted by air on the man of average siz is around 14.7
lb wt. per square inch. But the man feels quite comfortable,. It is because of
a) An equal and
opposite pressure acts from inside

b) of the height of a man
c) of gravity
d) Earth pulls the man upward
e) None of these
27) 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
e) None of these
28. 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
e) None of these
29. Night vision is
possible with the help of :
a) Red light
b) Violet light
c) Infrared Rays 
d) Ultra violet Light
e) None of these
30. 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
e) None of these
31. Walnuts can be
broken in the hand by squeezing two together but not one. It is because of :
a) Work done
b) Power
c) Energy
d) Volume
e) None of these
32. 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
e) None of these
33. The planet Mercury
completes one rotation around the sun is :
a) 88 days
b) 365 days
c) 98 days
d) 60 days
e) None of these
34. Fossils found in
the lowest geological strata are generally most :
a) Advance
b) Complex
c) Primitive
d) Specialized
e) None of these
35. Evolution can be
described as :
a) A continuing

b) A catastrophic event in the past
c) Static
d) The attaining of an ideal type
e) None of these
36. What is the only
source of new alleles?
a) Crossing over
b) independent assortment
c) Mutation
d) Fertilization
e) None of these
37. Polygenic
characteristic are controlled by :
a) Dominant genes
b) Recessive genes
c) Multiple genes
d) Mutated genes
e) None of these
38. Which of the
following , lists the four stages of food processing in order?
a) ingestion ,
digestion , absorption , elimination

b) digestion , ingestion , absorption , elimination
c) ingestion , absorption , elimination , digestion
d) absorption , digestion , ingestion , elimination
e) None of these
39. In humans , most
nutrient molecules are absorbed by the :
a) small intestine
b) stomach
c) liver
d) large intestine
e) None of these
40. The energy needed
to fuel essential body processes is called :
a) Essential nutrient level
b) Basal metabolism
c) None of these
d) recommended daily allowance
e) Optimum energy intake
41. Which of the
following is an organic molecule needed by the body in small amounts?
a) Protein
b) Vitamin C
c) Zinc
d) Monosaccharide
e) None of these
42. Inhaled air passes
through which of the following in the last?
a) Bronchiole
b) Larynx
c) Pharynx
d) Trachea
e) None of these
43. Which of the
following is a form of sexual reproduction?
a) Hermaphroditism
B) Fission
c) Fragmentation
d) Budding
e) None of these
44. 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
e) None of these
45. Laughing gas has
chemical composition of the following two elements which are :
a) Nitrogen + Hydrogen
b) Nitrogen + Carbon
c) Nitrogen + oxygen
d) Oxygen + Carbon
e) None of these
46. Hepatitis A is
transmitted to different individuals by :
a) Water
b) Sneezing
c) Spit
d) Foeces
e) None of these
47. The unit that
coordinates different devices of the computer system is :
a) ALU
c) Control unit
d) Logical instruction
e) None of these
48. The most abundant
element present is in the human body is :
a) Nitrogen
b) Oxygen
c) Carbon
d) Hydrogen
e) None of these
49. Cancer can be
treated by :
a) Antibiotics and vaccines
b) Radiotherapy and antibodies
c) Chemotherapy and radiotherapy 
d) Antibodies and chemotherapy
e) None of these
50. Animals obtain
carbon dioxide mainly from :
a) Starch
b) Sucrose
c) Glucose
d) Glycogen
e) None of these
1) One
of the countries through which equator passes is:

(a) Kenya
(b) Malaysia
(c) Malta
(d) Pakistan
Copper can be converted into gold by:

(a) Artificial

(b) heating
(c) Electroplating
(d) Chemical reaction
3) 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
Clocks, which moves with the velocities compareable with the velocity of light,
(a) fast
(b) slow
(c) equal to the velocity of light
(d) with zero velocity
5) Max
Planck received the noble prize in Physics in 1918 for his discovery of:

(a) electron
(b) energy quanta
(c) photon
(d) positron
Bronze medal is made up of metals:

(a) (copper,nickel)
(b) (copper, tin)
(c) (copper, silver)
(d) (copper, zinc)
Addison’s disease is caused by the excessive secretion of:

(a) Antiduretic Harmone
(b) Luteinising Harmone
(c) Melanophore stimulating Harmone
Adrenocorticotrophic Harmone
Development of calf muscles in ladies who wear high heels is a common example

(a) Natural Selection
(b) inheritance of
acquired character

(c) Use and disuse of organ
(d) Artificial selection
Margalla Hill is a branch of:

(a) Karakorum range
(b) Hindukash range
(c) Himalaya range
(d) Nanga Parbat range
Humming bird belongs to a category called:

(a) Ectotherm
(b) Endotherm
(c) Exotherm
(d) Heterotherm.
Oxidation-Loss of an electron

(b) Oxidation – gain of an electron
(c) Reduction – gain of a neutron
(d) Reduction – loss of a neutron
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
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.
Which woody raw material is used for the manufacture of paper pulp?
(a) Cotton
(b) Poplar 
(c) Bagasse
(d) Rice straw
Rectified spirit contains alcohol about:
(a) 80%
(b) 95% 
(c) 70%
(d) 85%
Which of the following elements is not present abundantly in earth’s crust:
(a) Silicon
(b) Radium 
(c) Aluminum
(d) Carbon
(7) The
famous book; Al – Qanoun was written by the Muslim scientist:
(a.) Jabar
bin Hayyan
(b) Zakariya Al – Razi
(c) Abu Ali Sina
(d) Abdul Qasim Majreeti
Basic metals can be converted into gold by:
(a) Heating
(b) Beating
(c) Artificial nuclear

(d) Chemical reaction
(9) A
light year is a unit of:
(a) Time
(b) Energy
(c) Length
(d) Mass
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
(1) Person
with following blood group are considered to be universal recipient.
a. A+
b. B+
c. AB+
d. O+
e. None of these
The AB group
is considered to be universal recipient
(2) Study of
life in outer space is known as:
b. Exobiology
c. Enterobiology
d. Neobiology
e. Micro biology
(3) The name
of the common mineral salt present in sweat is:
a. Calcium
b. Potassium Sulphate
c. Sodium Chloride
d. Iron Sulphate
e. None of these
(4) Sensitive
layer of the eye is:
a. Choriods
b. Sclerotic
c. Retina
d. Cornea
e. None of these
(5) Laughing
gas has chemical composition of following two elements.
a. Nitrogen +
b. Nitrogen + Carbon
c. Nitrogen + Oxygen
d. Oxygen + Carbon
e. None of these
(6) Dr. Abdus
Salam of Pakistan was one of the contributors of the unification of:
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
e. None of these
(7) Which
triplet in DNA codes for valine:
a. CTT
b. AGU
c. CAT
d. AAT
e. None of these
(8) What is
the chance of diabetic baby born to parents both heterozygous normal ?
a. Zero
b. ¼
c. ½
d. ¾
e. None of these
(9) Which of
the following is not a part of Darwinism:
a. Over
b. Natural selection
c. Inheritance for acquired characters
d. Competition for survival
e. None of these
(10) Role of
biotechnology in the production of food based on:
b. Respiration
c. Digestion
d. Fermentation
e. None of these
(11) Which
form of drug abuse involves most risk of infection with the HIV (AIDS) virus:
a. Cigarette
b. Using alcholo
c. Injection of heroine
d. Taking too much aspirin
e. None of these
(12) Founder
of modern astronomy was:
a. Archimedes
b. William Gilbert
c. Nicolas Copernicus
d. Michael Faraday
e. None of these
(13) The
instrument which measures very high temperature is:
a. Manometer
b. Thermostat
c. Chronometer
d. Pyrometer 
e. None of these
(14) The
science which deals with study of manners and customs of people is:
 (branch of anthropology)
b. Morphology
c. Ethics
d. Genetics
e. None of these
(15) Chemical
used to kill rats and mice are:
b. Rodenticides
c. Fungicides
d. Herbicides
e. None of these
(16) Dry ice
a. Methane
b. Liquid Nitrogen
c. Solid Carbon dioxide
d. Frozen Water
e. None of these
(17) Chemical
name of vinegar is:
a. Sodium
b. Dilute acetic acid
c. Chloride of lime
d. Calcium
e. None of these
Defeciency of following vitamin decreases hemoglobin production:
a. Biotin
b. Thiamine
c. Niacin
d. Pyridoxine (known as Vitamin B6, causes anemia
i.e. deficiency of hemoglobin)
e. None of these
Hygrometer is used for measuring the:
a. Speed of
b. Density of milk
c. Humidity of air
d. Specific gravity of liquids
e. None of these
(20) Bronze
is an alloy of:
a. Copper and
b. Tin and Zinc
c. Copper and Tin 
d. Iron and Zinc
e. None of these
(21) Which of
the following is most elastic ?
b. Rubber
c. Glass
d. Sponge
e. None of these
(22) Orbital
period of the planet Mercury around the sun is:
a. 88
b. 365 days
c. 2 years
d. 98 days
e. None of these
(23) The most
splendid and the most magnificient constellation on the sky is:

b. Columbia
c. Canis Major
d. Taurus
e. None of these
(24) “Black
holes” refer to:
a. Hole
occurring in heavenly bodies
b. Bright spots on the sun
c. Collapsing objects
of high density

d. Collapsing of low density
e. None of these
(25) Eugenics
is the study of:
Altering human beings by changing their genetic components
(close to the actual definition)
b. People of European region
c. Different races of mankind
d. Genetic of plants
e. None of these
study of the possibility of racial improvement through selective breeding and
other methods
(26) The
position of earth in its orbit, when it is at its greatest distance from the
sun causing northern summer is called:

b. Perihelion
c. Perigee
d. Apogee
e. None of these
(27) Diamond
is a very expensive ornament. It is composed of a single element:

b. Gold
c. Silver
d. Platinum
e. None of these
(28) Which of
the following layers make radio transmission possible?
b. Ionosphere
c. Mesosphere
d. Stratosphere
e. None of these
(29) 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

e. None of these
Television signals are converted into light signals by:
a. Optical
b. Transistor
c. Decoder
d. Photo diode
e. None of these
(31) 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
e. None of these
(32) The
number of spark plugs needed in a diesel engine is:
a. 2
b. 3
c. 0
d. 4
e. None of these
(33) 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
e. None of these
(34) The term
‘Blue Shift’ is used to indicate:
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
e. None of these
The opposite
is the famous red shift which indicated the universe is expanding away from us.
Kilowatt-hour is a unit of:
a. Power
b. Electric Current
c. Energy
d. Time
e. None of these
(36) Fuel
used in a Fast Breeder Reactor is:
a. Uranium
b. Uranium Plutonium carbide
c. Uranium Plutonium

d. Uranium thorium Oxide
e. None of these
FBRs usually
use a mixed oxide fuel core of up to 20% plutonium dioxide (PuO2) and at least
80% uranium dioxide (UO2).
(37) Monsoon
is caused by:
Seasonal reversal of winds

b. Revolution of earth
c. Movement of clouds
d. Rise in temperature
e. Rain forests
(38) Which of
the following atmospheric layers help in radio communication?
a. Exosphere
b. Ionosphere
c. Troposphere
d. Stratosphere
e. Ozone layer
(39) 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
e. None of these
Sedimentary rocks are:

b. Hard
c. Rough
d. Brittle
e. Volcanic
(41) Which
one of the following is a non-metallic mineral?
a. Manganese
b. Magnesium
c. Gypsum
d. Bauxite
e. None of these
(42) Ozone
layer prevents the following radiation from entering the atmosphere:
a. Infra-red
b. Ultraviolet
c. X-rays
d. Gamma rays
e. None of these
(43) The
phenomenon of Aurora Borealis, the display of red and green lights in northern
hemisphere is due to radiations from:

b. Troposphere
c. Mesosphere
d. Stratosphere
e. None of these
(44) Yeast is
used in making bread because it produces:
Carbon dioxide

b. Sugar
c. Bacteria
d. Oxygen
e. None of these
(45) Oasis is
associated with:
a. Glaciers
b. Desert
c. Islands
d. Volcanoes
e. Fertile land
(46) Quartz
crystal in quartz watches work on the principle called:
Photoelectric effect
b. Stark effect
c. Thermionic effect
d. Piezo-electric

e. None of these
(47) The
fruits without seed, like banana, are called:
a. seedless
b. parthenogenesis fruits
c. parthenocarpic
d. placental fruits
e. Organic fruits
(48) Animal
which captures and readily kills living animals for its food is called:
a. Parasite
b. Scavenger
c. Predator 
d. Mammal
e. None of these
(49) In a
railway track, two rails are joined end to end with a gap tin between them
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

e. All of these
(50) Name the
famous book of Ibn-Sina in which he discussed human physiology and medicine:

b. Al-Masudi
c. New Renaissance
d. Tadhkira
e. None of these


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