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Every Day Science Mcqs Practice Test

Every Day Science Mcqs Practice Test

Every Day Science Mcqs Practice Test 

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) Coppe4r , 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 process
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

Every Day Science Mcqs Practice Test

Every Day Science Mcqs for Public Service Examination

Every Day Science Mcqs For Public Service Examination

Every Day Science Mcqs for Public Service Examination 

(1) Person with following blood group are considered to be universal recipient.

a. A+
b. B+
c. AB+
d. O+
e. None of these

(2) Study of life in outer space is known as:

a. Endobiology
b. Exobiology
c. Enterobiology
d. Neobiology
e. Micro biology

(3) The name of the common mineral salt present in seat is:

a. Calcium Oxalate
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 + Hydrogen
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:

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
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 production
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:

a. Decomposition
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 smoking
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:

a. Ethnology
b. Morphology
c. Ethics
d. Genetics
e. None of these

(15) Chemical used to kill rats and mice are:

a. Insecticides
b. Rodenticides
c. Fungicides
d. Herbicides
e. None of these

(16) Dry ice is:

a. Methane hydrate
b. Liquid Nitrogen
c. Solid Carbon dioxide
d. Frozen Water
e. None of these

(17) Chemical name of vinegar is:

a. Sodium Nitrate b. Dilute acetic acid
c. Chloride of lime
d. Calcium
e. None of these

(18) Defeciency of following vitamin decreases hemoglobin production:

a. Biotin
b. Thiamine
c. Niacin
d. Pyridoxine
e. None of these

(19) Hygrometer is used for measuring the:

a. Speed of sound
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 Zinc
b. Tin and Zinc
c. Copper and Tin
d. Iron and Zinc
e. None of these

(21) Which of the following is most elastic ?

a. Steel
b. Rubber
c. Glass
d. Sponge
e. None of these

(22) Orbital period of the planet Mercury around the sun is:

a. 88 days
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:

a. Orion
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:

a. Altering human beings by changing their genetic components
b. People of European region
c. Different races of mankind
d. Genetic of plants
e. None of these

(26) 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
e. None of these

(27) Diamond is a very expensive ornament. It is composed of a single element:

a. Carbon
b. Gold
c. Silver
d. Platinum
e. None of these

(28) Which of the following layers make radio transmission possible?

a. Troposphere
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

(30) Television signals are converted into light signals by:

a. Optical fiber
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:

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
e. None of these

(35) 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 Oxide
b. Uranium Plutonium carbide
c. Uranium Plutonium Oxide
d. Uranium thorium Oxide
e. None of these

(37) Monsoon is caused by:

a. 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

(40) Sedimentary rocks are:

a. Porous
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:

a. Ionosphere
b. Troposphere
c. Mesosphere
d. Stratosphere
e. None of these

(44) Yeast is used in making bread because it produces:

a. Carbon dioxide
b. Sugar
c. Bacteria
d. Oxygen
e. None of these

(45) Oasis is associated with:

a. Glaciers
b. Desert
c. Islands or Last Island
d. Volcanoes
e. Fertile land

(46) Quartz crystal in quartz watches work on the principle called:

a. Photoelectric effect
b. Stark effect
c. Thermionic effect
d. Piezo-electric effect
e. None of these

(47) The fruits without seed, like banana, are called:

a. seedless fruits
b. parthenogenesis fruits
c. parthenocarpic fruits
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 – not or moderator
d. Mammal
e. None of these

(49) 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
e. All of these

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

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

Every Day Science Mcqs For Public Service Examination