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FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION-2009 FOR RECRUITMENT TO
POSTS IN BS-17 UNDER THE FEDERAL GOVERNMENT
POSTS IN BS-17 UNDER THE FEDERAL GOVERNMENT
GENERAL KNOWLEDGE-I (GENERAL SCIENCE & ABILITY)
PART – I (MCQs) (COMPULSORY)
Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (50 Marks)
1. Persons with the following blood group are considered to be universal recipients:
(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) Microbiology
3. The name of the common mineral salt present in sweat is:
(a) Calcium Oxalate
(b) Potassium Sulphate
(c) Sodium Chloride
(d) Iron Sulphide
(e) None of these
4. The sensitive layer of the eye is:
(a) Choroid
(b) Sclerotic
(c) Retina
(d) Cornea
(e) None of these
5. Laughing gas has the chemical composition of the 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 to 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 a diabetic baby being born to parents who are both heterozygous normal?
(a) Zero
(b) 1/4
(c) 1/2
(d) 3/4
(e) None of these
9. Which of the following is not a part of Darwinism?
(a) Overproduction
(b) Natural selection
(c) Inheritance of acquired characters
(d) Competition for survival
(e) None of these
10. The role of biotechnology in the production of food is based on:
(a) Decomposition
(b) Respiration
(c) Digestion
(d) Fermentation
(e) None of these
11. Which form of drug abuse involves the greatest risk of infection with the HIV (AIDS) virus?
(a) Cigarette smoking
(b) Using alcohol
(c) Injection of heroin
(d) Taking too much aspirin
(e) None of these
12. The founder of modern astronomy was:
(a) Archimedes
(b) William Gilbert
(c) Nicolas Copernicus
(d) Michael Faraday
(e) None of these
13. The instrument used to measure very high temperatures is:
(a) Manometer
(b) Thermostat
(c) Chronometer
(d) Pyrometer
(e) None of these
14. The science which deals with the study of the manners and customs of peoples is:
(a) Ethnology
(b) Morphology
(c) Ethics
(d) Genetics
(e) None of these
15. Chemicals used to kill rats and mice are called:
(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. The chemical name of vinegar is:
(a) Sodium Nitrate
(b) Dilute Acetic Acid
(c) Chloride of Lime
(d) Calcium
(e) None of these
18. Deficiency of the following vitamin decreases haemoglobin production:
(a) Biotin
(b) Thiamine
(c) Niacin
(d) Pyridoxine
(e) None of these
19. A 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. The 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 magnificent constellation in the sky is:
(a) Orion
(b) Columba
(c) Canis Major
(d) Taurus
(e) None of these
24. “Black holes” refer to:
(a) Holes occurring in heavenly bodies
(b) Bright spots on the Sun
(c) Collapsing objects of high density
(d) Collapsing objects 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 origin
(c) Different races of mankind
(d) Genetics of plants
(e) Eunuchs
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 makes 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 the Moon
(b) Orbit of the Moon around the Earth
(c) Direction of rotation of the Earth around the 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 fibre
(b) Transistor
(c) Decoder
(d) Photodiode
(e) None of these
31. Where do most asteroids lie?
(a) In the asteroid belt between the orbits of Mars and Jupiter
(b) In the asteroid belt between the orbits of Mars and Venus
(c) In the 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 will 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) The Doppler effect in which an object appears bluer when it is moving towards the observer, or the observer is moving towards the object
(b) Turning a star from white to blue
(c) In the future, the Sun would become blue
(d) A 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 the Earth
(c) Movement of the clouds
(d) Rise in temperature
(e) Rain forests
38. Which of the following atmospheric layers helps in radio communication?
(a) Exosphere
(b) Ionosphere
(c) Troposphere
(d) Stratosphere
(e) Ozone layer
39. A moderator is used in a nuclear reactor in order to:
(a) Accelerate the neutrons
(b) Slow down the speed of the neutrons
(c) Increase the number of electrons
(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. The ozone layer prevents the following radiation from entering the atmosphere:
(a) Infrared
(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 the 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
(d) Volcanoes
(e) Fertile land
46. Quartz crystal in quartz watches works on the principle called:
(a) Photoelectric effect
(b) Stark effect
(c) Thermionic effect
(d) Piezoelectric effect
(e) None of these
47. Fruits without seeds, like bananas, are called:
(a) Seedless fruits
(b) Parthenogenesis fruits
(c) Parthenocarpic fruits
(d) Placental fruits
(e) Organic fruits
48. An 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 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 a 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
PART – II (Subjective)
Q.2. Write short notes on the following, giving their exact life spans and contributions to the field of science.
(Accurate facts will be appreciated.) (5 × 2)
(a) Umar Al-Khayyam
(b) Zakariya Al-Razi
Q.3. Differentiate between ANY FIVE of the following pairs.
(2 × 5)
(a) Umbra and Penumbra
(b) Heavy Water and Hard Water
(c) Smog and Smoke
(d) Myopia and Hyperopia
(e) Lava and Magma
(f) Periscope and Perimeter
(g) X-rays and Gamma Rays
Q.4. The Sun is a glorious star in our sky. Write down its characteristics with reference to the following data:
(a) Distance from Earth
(b) Mean distance from the centre of the galaxy
(c) Velocity around the centre of the galaxy
(d) Revolution period around the centre of the galaxy
(e) Equatorial diameter
(f) Rotation period at the equator
(g) Core temperature
(h) Solar wind
(i) The lovely Diamond Ring effect
(j) Future of the Sun
Q.5. Write briefly, in not more than three to four sentences, about ANY FIVE of the following.
(2 × 5)
(a) Allotropy
(b) Nebula
(c) Enrichment of Uranium
(d) Aqua Regia
(e) Greenhouse Effect
(f) Igneous Rocks
Q.6.
(a) Define GENETIC ENGINEERING. In how many ways can Genetic Engineering be applied in different fields of life? Does it benefit society? Discuss.
(1 + 3 + 2)
(b) What do the following scientific abbreviations stand for?
(½ mark each)
(i) SONAR
(ii) CNS
(iii) PTFE
(iv) LDL
(v) SARS
(vi) GUT
(vii) BASIC
(viii) BTU
Q.7.
(a) What are MINERALS? Discuss ANY TWO of their physical properties. Also mention the names of four precious minerals of high commercial value.
(b) Define the following:
(1 mark each)
(i) Amphibian
(ii) Synchronous Satellite
(iii) Big Dipper
(iv) Fermentation
(v) Millennium Bug
Q.8.
(a) Define RECEPTORS in humans. Name the different receptor organs in the human body. Also discuss ANY TWO of them briefly.
(b) Give scientific reasons for the following:
(1 mark each)
(i) Dogs pant, birds open their mouths, and elephants rapidly move their ears.
(ii) Manhole covers are generally round.
(iii) A geostationary satellite appears stationary to a viewer on the equator of the Earth.
(iv) We never see birds urinating.
(v) Pasteurized milk retains more nourishment than ordinary boiled milk.
Q.9.
(a) Highlight the similarities and differences between animals and plants.
(3 + 3)
(b) Write short notes on ANY TWO of the following.
(2 marks each)
(i) Teleprinter
(ii) Dengue Virus
(iii) Vacuum Cleaner
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Posted : August 11, 2026 12:01 pm