Federal Public Service Commission

General Science & Ability

Competitive Examination-2018

PART-I (MCQs)
1. Antibiotics are used to fight against:
A) Proteins | B) Viruses | C) Bacteria | D) None of these
2. An astronomical unit (AU) or light year (LY) is used to measure:
A) Distance | B) Time period | C) Light intensity | D) Time
3. Radio waves broadcasted by radio stations are reflected back to Earth by the:
A) Ionosphere | B) Stratosphere | C) Mesosphere | D) None of these
4. Failing to finish a full course of antibiotics often results in:
A) Some bacteria left un-killed | B) Production of more bacteria | C) Bacteria becoming sensitive | D) Bacteria becoming resistant
5. During combustion of petrol in a car engine, chemical energy is converted into:
A) Chemical | B) Mechanical | C) Electrical | D) None of these
6. Proteins are essentially made up of chains called:
A) Polynucleotide | B) Polypeptide | C) Oxyacetylene | D) None of these
7. A barometer is an instrument used for measuring:
A) Temperature | B) Humidity | C) Pressure | D) None of these
8. In radar, we use radio waves; whereas in sonar, we use:
A) Red waves | B) Infrared waves | C) Ultrasonic waves | D) Supersonic waves
9. An ionic bond between two atoms involves the:
A) Complete transfer of valence electrons | B) Half transfer of valence electrons | C) Complete transfer of electrons | D) None of these
10. Dengue fever is specifically transmitted by the:
A) Bite of an infected mosquito | B) Bite of an infected male Aedes | C) Bite of an infected female Anopheles | D) Bite of an infected female Aedes mosquito
11. The sky appears blue primarily because of:
A) Rayleigh scattering | B) Reflection | C) Mie scattering | D) Absorption
12. Cyclones are weather phenomena that:
A) Experience Coriolis effects | B) Are super geotropic | C) Are fair weather | D) Are associated with low-pressure systems
13. Rainbow formation is the result of:
A) Absorption | B) Diffusion | C) Ionization | D) Refraction and reflection of sunlight by water droplets
14. In which layer of the atmosphere does the ozone layer lie?
A) Exosphere | B) Mesosphere | C) Troposphere | D) Stratosphere
15. Which of these units represents a significantly larger distance?
A) An astronomical unit (AU) | B) Neither | C) They are the same | D) A light-year (LY)
16. The direction in which the Earth rotates on its axis is:
A) West to east | B) East to west | C) North to south | D) South to north
17. A collection of water droplets suspended in the air is called a:
A) Wind | B) Cloud | C) Gases | D) Sleet
18. To lose weight, a common general recommendation for daily calorie intake is:
A) 2000 | B) 2500 | C) 1500 | D) 3000
19. The precise time for Earth to complete one rotation (Sidereal Day) is:
A) 22 hours | B) 23 hours | C) 23 hours 56 minutes | D) None of these
20. Most enzymes found in the human body are chemically classified as:
A) Proteins | B) Viruses | C) Bacteria | D) None of these
PART-II (Subjective) SECTION-I

Question No. 2

(A) Describe different methods to estimate the age of the Universe.
(B) Explain the formation of Lunar Eclipse.
(C) Explain the terms Dark Energy and Dark Matter.
(D) Define the term Black Hole. What’s expected inside it?

Question No. 3

(A) Describe different causes and preventions of ‘Polio’
(B) Define the term ‘Bio-Fuel’. How is it helpful to promote clean energy?
(C) Define ‘Carbohydrates’. Describe different steps to digest these in the human body.
(D) Describe the ‘Cell Structure’. Write down at least three differences between an animal cell and plant cell.

Question No. 4

(A) What is ‘Acid Rain’.Describe its causes and how it can be prevented?
(B) What is ‘Water Pollution’. Discuss its causes and measurement methods. Name the countries with the highest and lowest percentage of it.
(C) Write a comprehensive note on ‘Smog’.
(D) Describe different causes of ‘Tsunami’. Is there any difference between a Tsunami and a tidal wave? Name the worst Tsunami ever recorded.

Question No. 5

(A) Write a note, how data is stored on a ‘Hard Disk’.
(B) How an ‘Optical Fiber’ is constructed? How is it helpful in transmitting the electromagnetic radiations?
(C) Write a comprehensive note on ‘Balanced Diet’.
(D) What is ‘Artificial Intelligence’? How is it helpful for humanity?

SECTION-II

Question No. 6

(A) It takes 3 liters of paint to cover an area of 24 square meters. What percentage increase in the quantity of paint would be required to cover an area of 50.4 square meters?
(B) An automobile travels 3 km towards south, 4 km towards west, 5 km towards north and 2 km towards south-east. How far is it from its starting position?
(C) Tahir started a business with a capital of Rs. 15,000. After 5 months Umar also joined him with an investment of Rs. 30,000. At the start of 9th month, Usman joined them by investing Rs. 45,000. At the end of the year they earned a profit of Rs. 406,000. Find the share of each one.
(D) A man left his property of Rs. 640,000. A debt of Rs. 40,000 was due to him and Rs. 5,000 was spent on his burial. Distribute the amount between his widow, one daughter and two sons according to the Islamic Law.

Question No. 7 : The breakdown of average monthly expenditure for a family is given in the following Figure:

(A) Calculate from the figure what percentage of the family’s expenditure is on ‘other ’?
(B) Approximately what fraction of the family’s monthly expenditure do’ ‘utilities’, ‘rent’ and ‘food’ represent?
(C) If the family spends Rs.11600 on utilities, how much is the family’s total expenditure?
(D) ‘Other’ expenditure comprises savings, entertainment and luxury items, which are spent in the ratio 3 : 4 : 1. Calculate how much the family saves each month if monthly income is Rs.24,000.

Question No. 8

(A)Police officers are in pursuit of a stolen vehicle. Officer Baker is directly behind the stolen car. Officer Lopez is behind Baker; Officer O'Malley is behind Lopez. Officer Reinhart is ahead of the stolen car and coming from the opposite direction. Officer Reinhart makes a U-turn and joins the pursuit. He pulls in behind Officer Lopez. Officer Baker pulls up on the driver's side of the stolen vehicle and Officer Lopez pulls up on the other side. Which officer is directly behind the vehicle?
(B) Define a Histogram. How is it constructed? What information may be deduced from it?
(C) Look at this series: F2, __, D8, C16, B32, What number should fill the blank?
(D) In a certain code language LANDMINE is written as PYRBQGRC. How will HOMEMADE be written in that code language?

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