General Science and Ability (CSS 2025)

GENERAL SCIENCE AND ABILITY FOR CSS 2025

DETAILED SYLLABUS AND PAST PAPERS ANALYSIS

PART – I, GENERAL SCIENCE (60 MARKS)

PHYSICAL SCIENCES

1. Constituents and Structure: Universe, Galaxy, Light Year, Solar System, Sun, Earth, Astronomical System of Units.
   • Describe different methods to estimate the age of the Universe. (CSS 2018)
2. Process of Nature: Solar and Lunar Eclipses, Rotation and Revolution, Weather Variables (Global Temperature, Pressure, Circulation, Precipitation, Humidity) and Weather Variations.
   • (A) Differentiate between the occurrence of Lunar and Solar Eclipse? (B) Briefly explain what effects are produced due to Rotation & Revolution of Earth? (CSS 2017)
   • Explain the formation of Lunar Eclipse. (CSS 2018)
   • What do you understand by Global Wind and Pressure patterns? Also explain wind and pressure features at higher altitude. (CSS 2020)
3. Natural Hazards and Disasters: Earth Quake, Volcanic Eruption, Tsunami, Floods, Avalanche, Travelling Cyclone (Tropical Cyclone, Middle Latitude Cyclone and Tornadoes), Drought, Wildfire, Urban Fire. Disaster Risk Management.
   • 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? (CSS 2016)
   • Describe different causes of ‘Tsunami’. Is there any difference between a Tsunami and a tidal wave? Name the worst Tsunami ever recorded. (CSS 2018)
   • What is the most dangerous part of a hurricane and how do cyclones affect humans?  (CSS 2019)
   • On 7th April 2012 an Avalanche hit a Pakistan military base in Gayari sector trapping 140 soldiers and civilians under deep snow. What is Avalanche; describe its four types with focus on most dangerous type? (CSS 2020)
   • World largest earthquake was assigned a magnitude of 9.5 by the United States Geological Survey on 22 May 1960 in southern Chile Valdivia. What do you know about earthquake? Also explain shallow-focus and deep focus earthquakes. (CSS 2020)
   • Differentiate between Middle Latitude Cyclones and Tornadoes. (CSS 2020)
4. Energy Resources: Sources of Energy (Renewable i.e. LED Energy, Solar Energy, Wind Energy and Non-Renewable Energy conservation and its sustainable use.
   • Differentiate between the Renewable and Non-Renewable sources of energy giving examples of each one of them. (CSS 2019)
   • Differentiate between the renewable and non-renewable energy sources. Briefly explain Geothermal Energy and Hydro Electricity. (CSS 2020)
5. Atomic Structure: Chemical Bonding, Electromagnetic Radiations.
   • Why do atoms form bonds? Name three major types of chemical bonds. (CSS 2019)
6. Modern Materials and Chemicals: Ceramics, Plastics, Semiconductors, Antibiotics, Vaccines, Fertilizers, Pesticides.
   • What are vaccines? Classify these and discuss Deoxyribonucleic Acid (DNA) vaccines in detail. (CSS 2016)
   • Why the excessive use of chemical fertilizers should be avoided? (CSS 2019)
   • What’s the difference between vaccines and antibiotics? How do antibiotics and vaccines contribute to health? (CSS 2019)
   • Why an indiscriminate/ casual use of Antibiotics may prove dangerous? (CSS 2019)
   • What are Pesticides? Explain their different types; why persistent pesticides are more lethal for mankind? (CSS 2020)

BIOLOGICAL SCIENCES

1. The Basis of Life: Cell Structures and Functions (Sub-cellular Organelles such as Nucleus, Mitochondria and Ribosomes).
   • What is the main function of: (i) Ribosome (ii) Mitochondria (iii) Lysosomes (iv) Chloroplasts (v) Golgi apparatus (CSS 2011)
   • Write short notes on the following: (a) Nucleic acids (CSS 2011)
   • (a) Differentiate between the following: Deoxyribonucleic Acids (DNA), Messenger Ribonucleic Acids (mRNA), Proteins. (b) Explain how DNA, mRNA and Proteins are interrelated to each other. (CSS 2012)
   • Describe the ‘Cell Structure’. Write down at least three differences between an animal cell and plant cell. (CSS 2018)
   • Explain with examples the relationship between cells, tissues and organs. (CSS 2021)
   • Explain the differences in structure and function between a cell wall and a cell membrane. (CSS 2021)
   • What do you understand by the DNA and RNA? (CSS 2022)
   • How a bacterial cell is different from a plant cell? (CSS 2023)
2. Biomolecules: Proteins, Lipids, Carbohydrates and Enzymes.
   • What part do antibodies play in allergic reactions? How vaccination can be helpful in its control/ prevention? (CSS 2013)
   • Write down short notes on: (i) Antibiotics (ii) Hormones (CSS 2015)
   • Define ‘Carbohydrates’. Describe different steps to digest these in the human body. (CSS 2018)
   • What are carbohydrates? Classify and give detail of each class along with examples. (CSS 2020)
   • How the carbohydrates, proteins, and fats are digested in humans? (CSS 2023)
   • What is role of carbohydrates and vitamins in the body? Discuss briefly. (CSS 2024)
3. Plant and Animal Kingdom: A brief survey of plant and animal kingdom to pinpoint similarities and diversities in nature.
   • Give habitats of following animals: (i) Rattle snake (ii) Ostrich (iii) Platypus (iv) Rhinoceros (v) Chimpanzee (CSS 2011)
   • Briefly explain how Photosynthesis works. (CSS 2012)
   • Porifera is an ancient group of animals from Cambrian period. What is the cause of their survival /success? (CSS 2013)
   • What do you think cold-blooded animals are slowed down by low temperatures? (CSS 2023)
4. A Brief Account of Human Physiology.
   • Although each eye perceives a separate image, we do not see everything double. (CSS 2014)
   • Differentiate between: Diastolic and Systolic blood pressure (CSS 2014)
   • Briefly explain the function of following in human body: (a) Kidneys (b) Lymphatic system. (CSS 2014)
   • Discuss the function of kidneys in human body. (CSS 2015)
   • Comment, ‘liver is the chief chemist in human body’. (CSS 2016)
   • Draw the structure of human ear and briefly explain its functions. (CSS 2017)
   • What is meant by the term double circulation? Briefly describe how the heart is adapted to keep blood flowing in a double circulation. (CSS 2021)
   • Write a note on liver juice ‘bile’. (CSS 2023)
   • How the urine is formed? Describe the role of kidney in excretion. (CSS 2023)
   • Discuss the functioning of liver and pancreas. (CSS 2024)
5. Common Diseases and Epidemics: Polio, Diarrhea, Malaria, Hepatitis, Dengue their Causes and Prevention.
   • Differentiate between: (a) Infection and Allergy. (b) Hypoglycemia & Hyperglycemia (CSS 2014) (CSS 2014)
   • What is Anemia? What are its symptoms and causes? (CSS 2015)
   • What do you understand by Pollen Allergy. (CSS 2015)
   • What are causative organism and vector for dengue, enlist possible ways of prevention from dengue. (CSS 2016)
   • What is Cholesterol? Discuss its importance, normal blood level and dangers of elevated levels with reference to the health and disease in humans. (CSS 2016)
   • Explain in detail the common causes of heart attack. (CSS 2017)
   • Describe different causes and preventions of ‘Polio’. (CSS 2018)
   • People suffering from cardiovascular diseases have a high level of cholesterol in their blood. This often leads to a build up of fats on the internal arterial walls. Suggest how this might be harmful to the heart. (CSS 2019)
   • What do you know about Hepatitis? Describe its types and write down preventive measures. (CSS 2020)
   • What is Polio? Discuss its symptoms, causes of spreading, prevention and vaccine. (CSS 2022)
   • What is hepatitis, its types, causes, prevention, and cure? (CSS 2023)
   • What is the Tuberculosis and hepatitis? Explain briefly. (CSS 2024)
6. New Model Concept of Producing BIO Fuel Method
   • Define the term ‘Bio-Fuel’. How is it helpful to promote clean energy? (CSS 2018)

ENVIRONMENTAL SCIENCES

1. Environment: The Atmosphere (Layered Structure and Composition), Hydrosphere (Water Cycle, Major Water Compartments), Biosphere (Major Biomes) and Lithosphere (Minerals and Rocks, Rock Types, Plate Tectonics).
   • What is hydrological cycle? Discuss its importance. (CSS 2016)
   • What are the factors responsible for environmental pollution? (CSS 2017)
   • Briefly describe the various segments of atmosphere. How these segments are maintaining the Earth Radiation Balance? (CSS 2020)
   • How the organic particulate matter enters in the atmosphere. Also describe the sources? (CSS 2020)
2. Atmospheric Pollution: Types, Sources, Causes and effects of major air pollutants (COx, Particulate Matter, NOx, SOx, Tropospheric Ozone, Volatile Organic Compounds, Dioxins). Regional and Global air pollution issues (Acid-rain, Ozone Depletion, Greenhouse Effect and Global Warming). International agreements on air pollution control (Montreal Protocol and Kyoto Protocol).
   • What were the main objectives of Clean Development Mechanism? Also explain the reasons for the criticism on Koyoto Protocol by the developed countries. (CSS 2016)
   • Comment, Green House Effect is a blessing Also discuss Enhanced Green House Effect and its relation with global warming. (CSS 2016)
   • What do you mean by Ozone depletion and how we can prevent its depletion? (CSS 2017)
   • What is an Acid Rain and how it is produced. Briefly describe the dangers associated with it? (CSS 2017)
   • What is ‘Acid Rain’. Describe its causes and how it can be prevented? (CSS 2018)
   • Write a comprehensive note on ‘Smog’. (CSS 2018)
   • Why are scientists worried about the increase of Carbon Dioxide in the atmosphere? (CSS 2019)
   • What does Ozone depletion mean and how can we protect the ozone layer? (CSS 2019)
3. Water Pollution: Types, sources, causes and effects of major water pollutants (Synthetic Organic Chemicals, Oxygen Demanding Wastes, Plant Nutrients, Thermal Pollution, Infectious Agents, Sediments, Radioactivity, Heavy Metals and Acids). Drinking water quality and standards.
   • What is ‘Water Pollution’. Discuss its causes and measurement methods. Name the countries with the highest and lowest percentage of it. (CSS 2018)
   • What is natural radioactivity? How it is different from the artificial radioactivity? (CSS 2020)
4. Land Pollution: Solid waste management and disposal.
   • Differentiate between Sanitary and Industrial Landfills, also describe the land selection criteria for Landfills. (CSS 2016)
5. Role of Remote Sensing and GIS in Environmental Science.
   • What do you know about the Remote Sensing Techniques? Explain resolution and write down the names of its various types? (CSS 2016)
6. Population Planning:

FOOD SCIENCES

1. Concept of Balance Diet: Vitamins, Carbohydrates, Protein, Fats and oil, Minerals, Fiber.
   • What is Cholesterol? Discuss its importance, normal blood level and dangers of elevated levels with reference to the health and disease in humans. (CSS 2016)
   • What is the significance of Vitamins? Describe the sources, uses and deficiency symptoms of fat soluble vitamins. (CSS 2017)
   • Define ‘Carbohydrates’. Describe different steps to digest these in the human body. (CSS 2018)
   • Write a comprehensive note on ‘Balanced Diet’. (CSS 2018)
   • Deficiency of vitamins causes different human diseases some of which are given in the table below. Choose the correct type of vitamin (Vitamin A, Vitamin B1, Vitamin C, Vitamin D, Vitamin E, Vitamin K) and write in front of each disease: (a) Poor night Vision (b) Bleeding Gums (c) Rickets in Children (d) Beri-Beri (e) Anaemia
2. Quality of Food: Bioavailability of Nutrients, Appearance, Texture, Flavor, Quality of Packed and Frozen Food, Food Additives, Preservatives and Antioxidants
   • Discuss importance of preservatives and antioxidants in food. (CSS 2016)
3. Food Deterioration and its Control: Causes of Food Deterioration, Adulteration, Food Preservation.
   • Discuss different methods of Food preservation. (CSS 2020)

INFORMATION TECHNOLOGY (IT)

1. Computer (Hardware & Software Fundamentals); I/O Processing and data storage, Networking & Internet Standards, Application and business Software, Social Media Websites. Information Systems. Fundamentals of artificial intelligence.
   • Write a short note on artificial intelligence. (CSS 2016)
   • (A) Differentiate between RAM and ROM (B) Name three basic buses employed in a computer and explain what each is used for. (C) Draw a basic computer block diagram and briefly explain the function of each part. (D) Describe various types of computers classified on the basis of size, memory, capacity and speed. (CSS 2017)
   • Write a note, how data is stored on a ‘Hard Disk’. (CSS 2018)
   • What is ‘Artificial Intelligence’? How is it helpful for humanity? (CSS 2018)
   • What are the different types of a network? Explain each briefly. (CSS 2019)
   • What is Open System Interconnections (OSI) and describe its layers? (CSS 2020)
2. Telecommunications: Basics of Wireless Communication (Mobile, Satellite, Surveillance and GPS and Fiber Optic etc.
   • Write short notes on the following: (i) Four optics (ii) Global Positioning System (CSS 2016)
   • How an ‘Optical Fiber’ is constructed? How is it helpful in transmitting the electromagnetic radiations? (CSS 2018)
   • Give a brief account of Optic Fibres. What is their importance in present day telecom system? (CSS 2019)
   • Where and how Fiber Optics are used? Also write down their advantages and disadvantages. (CSS 2020)
   • What is GPS? How does it work? (CSS 2020)

PART – II, GENERAL ABILITY (40 MARKS)

QUANTITATIVE ABILITY / REASONING

1. Basic Mathematical Skills.
2. Concepts and ability to reasons quantitatively and solve problems in a quantitative setting.
3. Basic Arithmetic, Algebra and Geometry (Average, Ratios, Rates, Percentage, Angles, Triangles, Sets, Remainders, Equations, Symbols, Rounding of Numbers
4. Random Sampling
   • Define and draw the following: (i) Right Angle triangles (ii) Equilateral triangles (CSS 2016)
   • There are nine students in a group having ages 15, 15, 16, 16, 17, 17, 18, 19. Calculate mean, medium, mode and range of their ages also define the above mentioned terms. (CSS 2016)
   • 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. (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? (CSS 2016)

LOGICAL REASONING AND ANALYTICAL REASONING/ ABILITY

1. Logical Reasoning includes the process of using a rational, systematic series of steps based on sound mathematical procedures and given statements to arrive at a conclusion
2. Analytical Reasoning/ Ability includes visualizing, articulating and solving both complex and uncomplicated problems and concepts and making decisions that are sensible based on available information, including demonstration of the ability to apply logical thinking to gathering and analyzing information.

MENTAL ABILITIES

1. Mental Abilities Scales that measures specific constructs such as verbal, mechanical, numerical and social ability.

 

PART – II (GENERAL ABILITY)

VI. Quantitative Ability/Reasoning (Basic Mathematical Skills. Concepts and ability to reasons quantitatively and solve problems in a quantitative setting. Basic Arithmetic, Algebra and Geometry (Average, Ratios, Rates, Percentage, Angles, Triangles, Sets, Remainders, Equations, Symbols, Rounding of Numbers Random Sampling)

1. 
   

   Define and draw the following: (i) Right Angle triangles (ii) Equilateral triangles (CSS 2016)

   
   
2. 
   

   There are nine students in a group having ages 15, 15, 16, 16, 17, 17, 18, 19. Calculate mean, medium, mode and range of their ages also define the above mentioned terms. (CSS 2016)

   
   
3. 
   

   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? (CSS 2016)

   
   
4. 
   

   Read the following carefully and answer the following questions: Ahmed , 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 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. (CSS 2016)

   
   
5. 
   

   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. (CSS 2016)

   
   
6. 
   

   (A) Differentiate with examples between a “Pictogram” and “Histogram”. (B) The teachers of a certain school were asked to indicate the average number of hours they spend on marking students assignments each day. The following set of data was obtained (C) How many teachers responded to the survey? (D) What the longest number of hours and most common number of hours are spent? (CSS 2017)

   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

   6 1

   4 2 3

   3 5 1

   1 3 2

   2 4 2

   2 5 3

   3 2 1

   1 2 4

   4 3 2

   
   
7. 
   

   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? (CSS 2018)

   
   
8. 
   

   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? (CSS 2018)

   
   
9. 
   

   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. (CSS 2018)

   
   
10. 
    

    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. (CSS 2018)

    
    
11. 
    

    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? (CSS 2018)

    
    
12. 
    

    Define a Histogram. How is it constructed? What information may be deduced from it? (CSS 2018)

    
    
13. 
    

    Look at this series: F2, __, D8, C16, B32, What number should fill the blank? (CSS 2018)

    
    
14. 
    

    In a certain code language LANDMINE is written as PYRBQGRC. How will HOMEMADE be written in that code language? (CSS 2018)

    
    
15. 
    

    Tariq can do a tailoring job in 6 hours. Sajid does the same job in 4 hours. Irfan does it in 8 hours. Tariq and Sajid start doing the work. Sajid leaves after two hours and Irfan replaces him. How long would it take to complete the work? (CSS 2020)

    
    
16. 
    

    Find the missing number to complete each sum  (CSS 2020).

    
    
    
    
    
    
    
    

    (a) 9 + 8 – 5 = 2 × ____ (b) 3 × 9 – 14 = 24 – ____ (c) 15 ÷ 3 × 12 = 41 + ____ (d) 24 ÷ 4 + 5 = 66 ÷ ____ (e) 8 × 6 – 13 + 3 = 7 × 6 – ____

    
    
17. 
    

    There are seven students in a group having ages 17,17,18,18,18,19,19. Calculate mean, median, mode and range of their ages. Also define these mentioned terms.  (CSS 2020)

    
    
18. 
    

    How does mental ability scales differ from IQ test?  (CSS 2020)

    
    

VII. Logical Reasoning and Analytical Reasoning/ Ability

1. 
   

   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. (CSS 2016)

   
   
2. 
   

   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? (CSS 2016)

   
   
3. 
   

   Differentiate between primary and secondary mental abilities. How the general mental ability scales differ from IQ test. (CSS 2016)

   
   
4. 
   

   Divide Rs.500 between Arham, Mariam and Sarim so that Arham gets 2/3 of what Mariam gets and Mariam gets ¼ of what Sarim gets. Find the share of each. (CSS 2018)

   
   
5. 
   

    A school has enough provision of food for 52 days. After 20 days a group of 400 students arrives and the food would have last for 24 days only. How many students are there in the school actually? (CSS 2018)

   
   
6. 
   

   A man walks 2km towards North. Then he turns to East and walks 10km. After this he turns to North and walks 3km. Again he turns towards East and walks 2km. How far is he from the starting point? (CSS 2018)

   
   
7. 
   

   In a certain code language COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code language? (CSS 2018)

   
   
8. 
   

   Moiz was trying to sleep at one night but there was too much noise around him. His clock ticked every 5 second: a tap was dipping every 7 second and a pet dog snored every 12second. He noticed on his clock that all three things happened together on the stroke of mid night. Find after how many seconds all three things happened together again? (CSS 2019)

   
   
9. 
   

   One pipe can fill a pool 1.25 times as fast as a second pipe. When both pipes are opened they fill the pool in five hours. How long would it take to fill the pool if only the slower pipe is used? (CSS 2019)

   
   
10. 
    

    The cost for hiring a car for 2 days in 2018 was Rs 264 which was 20% more than in 2013. What was the cost of hiring a car for 2 days in 2013? (CSS 2019)

    
    
11. 
    

    What do you understand by measure of central tendency? State its types. (CSS 2019)

    
    
12. 
    

    Moiz and Mair share a lottery win of Rs 2000 in the ratio 1:4. Moiz then share his part between himself, his wife and their son in the ratio 4:5:1. How much more does his wife get over their son. (CSS 2019)

    
    
13. 
    

    A farmer keeps hens and rabbits on his farm. One day, he counted a total of 70 heads and 196 legs. How many more hens than rabbits does he have? (CSS 2019)

    
    
14. 
    

    What is polygon? Describe different types of regular polygon. (CSS 2019)

    
    
15. 
    

    In a certain code, computer is written as RFUVQNPC. How will MEDICINE be written in code language? (CSS 2019)

    
    
16. 
    

    Mushtaq, Pervaiz, Ehsan, Umair and Saleem are friends having different heights and weights. Mushtaq weighs four times as much as Pervaiz and Pervaiz weighs double than Ehsan, Ehsan weighs half as much as Umair and Umair weighs half as much as Saleem. (i) Who is the heaviest among five friends? (ii) Who is the second heaviest? (iii) Who has lowest weight? (iv) Who are equal in weight? (v) Mention the descending order (CSS 2020)

    
    
17. 
    

    A farmer needs to build a boundary wall around his farm. If the area of farm is 484 m2, what will be the total area of the wall if it is two meters high on three sides and three meters high on one side? (CSS 2020)

    
    
18. 
    

    Five girls A,B,C,D,E and four boys W,X,Y,Z have to go to a trip in three cars, car-1,car-2 and car-3. The following restrictions for seating in car are to be observed: (i) Only three persons can sit in one car (ii) At least one boy and one girl must be in each car (iii) A and D should remain together (iv) Z cannot sit with B or C in the same car Distribute boys and girls in three cars.  (CSS 2020)

    
    
19. 
    

    What are social skills? Describe four causes of weak social skills (CSS 2020)

    
    
20. 
    

    What do you understand by systematic sampling? Discuss its types. (CSS 2020)

    
    
21. 
    

    Blood groups of inhabitants of a village were checked. It was found that 600 people possessed blood group A, 650 possessed blood group B, 550 had blood group AB and 200 have blood group O. Calculate the probability of having blood group B. (ii) Calculate the probability of having blood group O.  (CSS 2020)

    
    
22. 
    

    A group of 50 men can construct 20 kilometer road in 40 days. How long will 70 men take to complete same length of road?  (CSS 2020)

    
    
23. 
    

     Zahid left a property worth Rs 1750,000/. His family had to pay off a debt of Rs 150,000/. The rest of money was distributed between a son and a daughter. How much did each child receive if share of a son was double than that of a daughter?  (CSS 2020)

    
    

VIII. Mental Abilities (Mental Abilities VIII Scales that measures specific constructs such as verbal, mechanical, numerical and social ability)

IX. Out of Syllabus 

1. 
   

   Explain the shape of water molecule with the help of Molecular Orbital Theory, also draw its orbital diagram. (CSS 2016)

   
   
2. 
   

   What are the gamma rays? Explain their applications. (CSS 2016)

   
   
3. 
   

   Briefly explain the main reasons of water-logging in Pakistan. (CSS 2017)

   
   
4. 
   

   Differentiate between drug addiction and drug abuse. (CSS 2017)

   
   
5. 
   

   What is a mirage? Describe in detail the creation of mirage. (CSS 2017)

   
   
6. 
   

   Most of the household appliances utilize ‘DC’ then why we generate ‘AC’ at power stations? (CSS 2017)

   
   
7. 
   

   Explain the terms Dark Energy and Dark Matter. (CSS 2018)

   
   
8. 
   

   Define the term Black Hole. What’s expected inside it? (CSS 2018)

   
   
9. 
   

   Give a brief account of Biotechnology. (CSS 2019)

   
   
10. 
    

    Do the mammals also lay eggs? If yes, where in the world do they live? Write the name of some of them. (CSS 2019)

    
    
11. 
    

    How can the Sun have such a strong gravitational field if it’s made of gases? (CSS 2019)

    
    
12. 
    

    What are the Fossils? Discuss the importance of paleontology. (CSS 2020)

    
    

RECOMMENDED BOOKS (BY THE FEDERAL PUBLIC SERVICE COMMISSION (FPSC), ISLAMABAD) FOR GENERAL SCIENCE & ABILITY PAPER

1. Test of Reasoning (by Edgar Thorpe)
2. Mental Ability (by Dr. Lal and Jain)
3. Elements of Logical Reasoning (by Jan Von Plato)
4. Asimov’s New Guide to Science (1993) (by Isaac Asimov)
5. Principles of Animal Biology (2011) (by Lancelot Hogben)
6. The Impact of Science on Society (2005) (by Isaac Asimov)
7. Eminent Muslim Scientists (1991) (by S. Fakhre Alam Naqvi)
8. Basics of Environmental Science (2002) (by Michael Allaby)
9. Fundamentals of Telecommunications (2005) (by Roger L. Freeman)
10. Management Information Systems (2014) (by Ken Sousa and Effy Oz)
11. Food Science (1998) (by Norman N. Potter and Joseph H. Hotchkiss)
12. Logical Reasoning (by Rob P. Nederpelt and Farouz D. Kamareddine)
13. Physical Geography (2013) (by Harm J. de Blij and Peter O. Muller)
14. The Brain Book: Know Your Own Mind and How to Use It (by Edgar Thorpe)
15. Fundamentals of Forensic Science (2010) (by Max M. Houck and Jay A. Siegal)
16. Forensic Science Fundamentals and Investigation (by Anthony J. Bertino)
17. Introduction to Information Technology (by ITL Education Solutions Limited)
18. Science Restated: Physics and Chemistry for the Non-Scientist (1970) (by Harold Gomes Cassidy)
19. Exploring Life Science (1975) (by Walter A. Thurber, Robert E. Kilburn, and Peter S. Howell)
20. Exploring Physical Science (1977) (by Walter A. Thurber, Robert E. Kilburn, and Peter S. Howell)
21. Physical Geography: Science and Systems of the Human Environment (2009) (by Alan H. Strahler and Arthur N. Strahler)
22. Environmental Science: Systems and Solutions (by Michael L. McKinney, Robert Schoch, and Logan Yonavjak)
23. Environmental Science: A Global Concern (by William P. Cunningham and Barbara Woodworth Saigo)
24. Reasoning Builder for Admission and Standardized Tests (by the Staff of Research Education)
    

 

Related MCQs

1. Change the voice of the following sentence: Can those happy moments be ever forgotten by me? (CCE 2023 Screening Test, December 1, 2024)

   Shall I ever forget those happy moments?
   Can I ever forget those happy moments?
   Will I ever forget those happy moments?
   Could I ever forget those happy moments?
   

   Submitted by: CSS Exam Desk Team

2. Which of the options below correctly combines the following two sentences into a compound sentence? • The sky was clear • The Sun was setting. (CCE 2023 Screening Test, December 1, 2024)

   The sky was clear while the sun was setting.
   The sky was clear, for the sun was setting.
   The sky was clear, and the sun was setting.
   None of the given options.
   

   Submitted by: CSS Exam Desk Team

3. The antonym of the word “Dwindle” is? (CCE 2023 Screening Test, December 1, 2024)

   Decay
   Calculate
   Increase
   Support
   

   Submitted by: CSS Exam Desk Team

4. The synonym of the word ‘Banish’ is? (CCE 2023 Screening Test, December 1, 2024)

   Abhorrent
   Frank
   Exile
   Delight
   

   Submitted by: CSS Exam Desk Team

5. The national anthem of Pakistan was officially adopted in? (CCE 2023 Screening Test, December 1, 2024)

   1948
   1950
   1954
   1952
   

   Submitted by: CSS Exam Desk Team

6. Change the following sentence from Indirect to Direct speech: “The porter respectfully assured the lady that he would take care of her luggage while she bought her tickets.” (CCE 2023 Screening Test, December 1, 2024)

   The porter said, “I would take care of your baggage while you buy your ticket, Madam.”
   The porter said, “I will take care of your baggage while you buy your ticket, Madam.”
   The porter said, “I would take care of your baggage while you bought your ticket, Madam.”
   The porter said to the lady, “I would take care of your baggage while you bought your ticket.”
   

   Submitted by: CSS Exam Desk Team

7. British Viceroy who was considered the architect of the Partition of Bengal? (CCE 2023 Screening Test, December 1, 2024)

   Lord Canning
   Lord Dufferin
   Lord Minto
   Lord Curzon
   

   Submitted by: CSS Exam Desk Team

8. Change the voice of the following sentence: Rain disrupted the last day’s play between Pakistan and Australia. (CCE 2023 Screening Test, December 1, 2024)

   The last day’s play of Pakistan and Australia was disrupted by rain.
   Pakistan and Australia’s play of the last day as disrupted by rain.
   The last day’s play between Pakistan and Australia was disrupted by rain.
   The last day’s play between Pakistan and Australia were disrupted by rain.
   

   Submitted by: CSS Exam Desk Team

9. The synonym of the word \'Brazen\' is? (CCE 2023 Screening Test, December 1, 2024)

   Audacious
   Calm
   Affable
   Inessential
   

   Submitted by: CSS Exam Desk Team

10. The largest division of Pakistan in terms of its area is? (CCE 2023 Screening Test, December 1, 2024)

    Malakand, KPK
    Bahawalpur, Punjab
    Rakhshan, Balochistan
    Hyderabad, Sindh
    

    Submitted by: CSS Exam Desk Team

11. Bakhar Fort is located in which province? (CCE 2023 Screening Test, December 1, 2024)

    Sindh
    Punjab
    Balouchistan
    Khyber Pakhtunkhwa
    

    Submitted by: CSS Exam Desk Team

12. Hear & See, Flower & Flour, Sell & Cell are the examples of? (CCE 2023 Screening Test, December 1, 2024)

    Homophone
    Homograph
    Eggcorn
    Oxymoron
    

    Submitted by: CSS Exam Desk Team

13. Change the following sentence from Indirect to Direct Speech: “My friend requested me to bring him a sandwich.” (CCE 2023 Screening Test, December 1, 2024)

    \"Please bring me a sandwich\", said my friend.
    He said, \"My friend, please bring me a sandwich.\"
    \"Please bring my friend a sandwich\", said he.
    My friend said, \"Will you bring me a sandwich\".
    

    Submitted by: CSS Exam Desk Team

14. Change the following sentence from Direct to Indirect speech: He asked his teacher, \"Need I read this chapter\"? (CCE 2023 Screening Test, December 1, 2024)

    He asked his teacher whether there was a need to read that chapter.
    He asked his teacher whether he needed to read that chapter.
    He asked his teacher if it was necessary to read this chapter.
    He asked his teacher if he had to read that chapter.
    

    Submitted by: CSS Exam Desk Team

15. The meaning of the idiom \'Make a beeline\' is? (CCE 2023 Screening Test, December 1, 2024)

    Go straight to
    Stand in a queue
    Look for freebies
    Put the bees in line
    

    Submitted by: CSS Exam Desk Team

16. Which article of the Constitution of the Islamic Republic of Pakistan 1973 states that Islam shall be the state religion? (CCE 2023 Screening Test, December 1, 2024)

    Article 3
    Article 4
    Article 2
    Article 1
    

    Submitted by: CSS Exam Desk Team

17. The study of the relationship between environment and organism is? (CCE 2023 Screening Test, December 1, 2024)

    Gerontology
    Ecology
    Lithography
    Entomology
    

    Submitted by: CSS Exam Desk Team

18. Which one of the following sentences is grammatically wrong? (CCE 2023 Screening Test, December 1, 2024)

    I gave Sarah a ride to work this morning.
    My friend Ismail and me went to the party.
    Before we left, Farah and I said goodbye to the host.
    Samra accidentally hit me with her bag.
    

    Submitted by: CSS Exam Desk Team

19. River Kunhar flows through the Kaghan Valley and joins which river? (CCE 2023 Screening Test, December 1, 2024)

    Kabul River
    Chenab River
    Ravi River
    Jhelum River
    

    Submitted by: CSS Exam Desk Team

20. Choose the complex sentence out of the given options. (CCE 2023 Screening Test, December 1, 2024)

    I will give you your present after you eat your dinner.
    He did not wait to go to the party, yet he went anyway.
    The bridge is very long.
    None of the options.
    

    Submitted by: CSS Exam Desk Team

21. The meaning of the idiom \"Talking twenty to the dozen\" is? (CCE 2023 Screening Test, December 1, 2024)

    Talking too much
    Talking out of turn
    Talking without making any sense
    Talking rapidly and without stopping.
    

    Submitted by: CSS Exam Desk Team

22. The Indian Councils Act 1861 established the Legislative Councils in the presidencies of? (CCE 2023 Screening Test, December 1, 2024)

    Calcutta and Delhi
    Calcutta and Madras
    Delhi and Lucknow
    Bombay and Madras
    

    Submitted by: CSS Exam Desk Team

23. The _________ reply of my sister conveyed the clear message that she was not happy with me. (CCE 2023 Screening Test, December 1, 2024)

    Vivacious
    Sinuous
    Gentle
    Terse
    

    Submitted by: CSS Exam Desk Team

24. Matter written by hand is? (CCE 2023 Screening Test, December 1, 2024)

    Ascription
    Conscript
    Manuscript
    Scriptwriter
    

    Submitted by: CSS Exam Desk Team

25. Change the following sentence from Direct to Indirect speech: The doctor said to the patient, \"How do you feel now\"? Has the pain gone down\"? (CCE 2023 Screening Test, December 1, 2024)

    The doctor asked the patient how he was feeling then and if the pain was down.
    The doctor asked the patient how he felt then and if the pain had gone down.
    The doctor asked the patient how he had felt when the pain was gone.
    The doctor asked the patient how he is feeling now and if the pain has gone down.
    

    Submitted by: CSS Exam Desk Team