Federal Public Service Commission

General Science & Ability

Competitive Examination-2016

PART-I (MCQs)
1. One of the following is a water-soluble vitamin:
A) Vitamin A | B) Vitamin D | C) Vitamin C | D) None of these
2. Which of the following does not vary predictably with the depth of the aquatic environment?
A) Salinity | B) Temperature | C) Penetration by sunlight | D) None of these
3. The mango variety having a strong flavor is:
A) Sindhri | B) Chaunsa | C) Langra | D) None of these
4. The ozone layer protects the Earth from ___ by the Sun:
A) Ultraviolet rays | B) Infrared rays | C) Gamma rays | D) None of these
5. Proteins are made up of:
A) Polynucleotide | B) Polypeptide | C) Oxyacetylene | D) None of these
6. The ozone layer is present in the atmosphere in which layer?
A) Exosphere | B) Mesosphere | C) Stratosphere | D) None of these
7. The pineapple variety suitable for canning is:
A) Queen | B) Kew | C) Mauritius | D) None of these
8. One of the main functions 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
9. The richest source of Riboflavin is:
A) Papaya | B) Mango | C) Bael | D) None of these
10. The Pakistani population receives the largest dose of ionizing radiation from:
A) Natural sources | B) Fallout from nuclear weapons testing | C) Nuclear medicine | D) Nuclear power plants
11. Which are air pollutants?
A) Aerosols | B) Sewage | C) DDT | D) Fertilizers
12. Which of the following does not cause soil erosion?
A) Wind | B) Overgrazing | C) Sun | D) Water
13. The gas associated with global warming is:
A) CO₂ | B) H₂S | C) CH₄ | D) SO₂
14. In water pollution, industries are said to be the:
A) Line sources | B) Point sources | C) Area sources | D) None of these
15. Among the following, the only secondary pollutant is:
A) Sulphur peroxide | B) Sulphur dioxide (SO₂) | C) Ozone | D) None of these
16. Which of the following groups of plants can be used as indicators of SO₂ pollution of air?
A) Epiphytic lichens | B) Ferns | C) Liverworts | D) Hornworts
17. Prevailing winds affect a region’s climate by:
A) Creating desert areas | B) Causing more precipitation on one side of a mountain | C) Affecting how much precipitation it receives | D) Controlling the amount of solar energy it receives
18. The carbohydrate content in potato (per 100g) is:
A) 18g | B) 20.13g | C) 25g | D) 26g
19. Which refrigerant is commonly used in cold storage in our country?
A) Ethylene | B) Carbide | C) Liquid ammonia | D) Sodium benzoate
20. Those at greatest risk for food-borne illness include:
A) Infants and children | B) Pregnant women | C) Immuno-suppressed individuals | D) All of the above
PART-II (Subjective)

Question No. 2

(A) What were the main objectives of Clean Development Mechanism? Also explain the reasons for the criticism on Koyoto Protocol by the developed countries.
(B) Differentiate between Sanitary and Industrial Landfills, also describe the land selection criteria for Landfills.

Question No. 3

(A)Write a short note on artificial intelligence.
(B)Write short notes on:
(i)Fibre Optics (ii) Global Positioning Syste

Question No. 4

(A)What are vaccines? Classify these and discuss DNA vaccines in detail.
(B)What are causative organism and vector for dengue, enlist possible ways of prevention from dengue.

Question No. 5

(A)Comment, ‘liver is the chief chemist in human body’.
(B)What is Cholesterol? Discuss its importance, normal blood level and dangers
of elevated levels with reference to the health and disease in humans.

Question No. 6

(A)What do you know about the Remote Sensing Techniques? Explain resolution and write down the names of its various types?
(B)What is hydrological cycle? Discuss its importance.

Question No. 7

(A)What is tsunami? How the tsunamis generated and what are their characteristics?
(B)What is an earth quake? Discuss Richter Scale in this context. What was the intensity of the earth quake in Pakistan dated 26 October 2015 and where was the locus?

Question No. 8

(A)Explain the shape of water molecule with the help of Molecular Orbital Theory, also draw its orbital diagram.
(B)What are the gamma rays? Explain their applications.

Question No. 9

(A)Discuss importance of preservatives and antioxidants in food.
(B) Comment, Green House Effect is blessing. Also discuss Enhanced Green House Effect and its relation with global warming.

Question No. 10

(A)Define and draw the following:
(i) Rightangle triangles (ii) Equilateral triangles
(B) There are nine students in a group having ages 15, 15, 16, 16, 16, 17, 17, 18, 19. Calculate mean, medium, mode and range of their ages also define the above mentioned terms:

Question No. 11

(A) A distribution company provides households to departmental stores within a 50 kilometers radius. The table below shows how far each departmental store is from the godown of the distribution company.
Distance from the godown of the distribution company : Number of Stores
10 kilometers or less : 03
11 to 20 kilometers : 15
21 to 30 kilometers : 26
31 to 40 kilometers : 20
41 to 50 kilometers : 16
(i) How many stores does the distribution company serve?
(ii) What is the most common distance of stores from the company’s godown?
(iii) How many stores are 35 Km or more from the godown?
(iv) What percentage of stores are 31 Km or more from the godown?

(B) Read the following carefully and answer the questions following: Ahmad, Ali, Akbar, Nasir and Shehbaz are students of a college having different heights and weights. Ahmad weighs thrice as much as Ali and Ali weighs 5 times as much as Akbar. Akbar weighs half as much as Nasir and Nasir weighs half as much as Shehbaz.
(i) Who is the heaviest in weight?
(ii) Who is the is the lightest in weight?
(iii) Shehbaz is lighter in weight than which of the two students?
(iv) Shehbaz is heavier than which of the two students?
(v) Show the descending order of weights of the students?

Question No. 12

(A)Classification of blood groups is based on the presence or absence of inherited antigenic substances on the surface of red blood cells. In a survey of British population the blood group distribution among 1000 people was as follows: 300 had blood group A, 325 had blood group B, 250 had O and 125 AB. Out of this group a person was selected at random, calculate his probability of having blood group AB.
(B) blood group AB Five friends Ahmad, Ali, Akbar, Nasir and Shehbaz went on summer vacation to five cities namely V, W, X, Y and Z by five different modes of transport, that is by bus, train, aeroplane, car and boat from point A. Akbar went to Y by car and Ali went to X by air. Nasir travelled by boat whereas Shehbaz went by train. For X and W there is no bus service. The person who went to X did not use boat to travel. Now answer the following questions.
(i) How did Ahmad travel and where did he go?
(ii) Which mode of transport was used by the person who travelled to X city?

Question No. 13

(A)Differentiate between primary and secondary mental abilities. How the general mental ability scales differ from IQ test.
(B) Y = mX + C is an equation of straight line. Draw a graph showing relationship between X and Y and relate the equation to the slope and intercept on the graph.

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