Federal Public Service Commission

General Science & Ability

Competitive Examination-2021

PART-I (MCQs)
1. Diseases that spread from one person to another are called:
A) Communicable diseases | B) Degenerative diseases | C) Non-communicable diseases | D) None of these
2. Night blindness is caused due to the deficiency of:
A) Vitamin A | B) Vitamin B | C) Vitamin C | D) Vitamin D
3. Which is the hottest planet in our solar system?
A) Sun | B) Mars | C) Venus | D) Jupiter
4. A light-sensitive device that converts drawings or printed text into digital form is a:
A) Scanner | B) Printer | C) Bluetooth | D) None of these
5. Excess bleeding during an injury suggests a deficiency of:
A) Vitamin K | B) Vitamin B | C) Vitamin A | D) Vitamin D
6. The thermodynamic energy in a system which is unavailable for doing mechanical work is:
A) Increased | B) Decreased | C) Entropy | D) None of these
7. In which layer of the Earth's atmosphere is the ozone layer located?
A) Thermosphere | B) Stratosphere | C) Troposphere | D) None of these
8. Which of the following groups of plants produces seeds but not fruits?
A) Gymnosperms | B) Mint | C) Maize | D) None of these
9. The natural environment where a plant or animal normally lives and grows is its:
A) Habitat | B) Shelter | C) Tree | D) None of these
10. When is the Earth at perihelion (geometrically closest to the Sun)?
A) In winter (Northern Hemisphere) | B) In summer | C) In spring | D) None of these
11. The blue color of the sky is primarily due to:
A) Reflection of light rays | B) Refraction of light rays | C) Scattering of light rays | D) None of these
12. Which layer contains ions and facilitates long-distance wireless communications?
A) Thermosphere | B) Stratosphere | C) Ionosphere | D) None of these
13. A covalent bond is formed between two atoms when they:
A) Share 1 or more protons | B) Share 1 or more electrons | C) Both A and B | D) None of these
14. The gravitational weight of an object on the Moon is roughly:
A) 1/6th of Earth weight | B) 1/7th of Earth weight | C) 1/8th of Earth weight | D) None of these
15. What is the specific name for tropical cyclones occurring in the China Sea?
A) Typhoon | B) Tornado | C) Hurricane | D) None of these
16. The rotation of the Earth on its own axis causes:
A) Day | B) Night | C) Both A and B | D) None of these
17. The 1918-19 pandemic known as Spanish influenza was caused by which virus?
A) H1N2 | B) H3N1 | C) H1N1 | D) None of these
18. Artificial noise is essentially a form of:
A) Vibration | B) Vocal cord | C) Both A and B | D) None of these
19. Which of the following is a list containing only cold-blooded (ectothermic) animals?
A) Crow, cobra, frog | B) Frog, pigeon, wall lizard | C) Wall lizard, cobra, frog | D) None of these
20. The collection of programs that coordinates overall computer operations is the:
A) Operating System | B) CPU | C) Software | D) None of these
PART-II (Subjective) SECTION-I

Question No. 2

(A) Differentiate between a star and a planet. What is the magnitude of a star and how the color of stars is correlated with their temperatures?
(B) “Semiconductors are the Brains of Modern Electronics”. Explain in detail what this quotation means.
(C) Briefly describe the most popular and accepted theory about the origin of the Universe.
(D) What are the advantages and limitations of renewable energy resources? Briefly explain the prospects of non-conventional energy resources in Pakistan.

Question No. 3

(A) Explain with examples the relationship between cells, tissues and organs.
(B) Explain the differences in structure & function between a cell wall and a cell membrane.
(C) What is meant by transpiration? Explain in detail the significance of leaf structure in the process of transpiration.
(D) What is meant by the term double circulation? Briefly describe how the heart is adapted to keep blood flowing in a double circulation.

Question No. 4

(A) What is the sequence of strata of atmosphere and on what factors does it depends?
(B) Describe water cycle and briefly explain the major processes involved in water cycle?
(C) What is the Difference between asthenosphere and lithosphere? Explain various components of lithosphere.
(D) Differentiate between food contaminants and food adulterants.

Question No. 5

(A) Define the term “malnutrition”. Elaborate its major causes and consequences.
(B) Explain how a slice of bread after few days decomposes due to the growth of fungi
(C) What is a computer memory? Describe its units and discuss various types of memories.
(D) Differentiate between natural and artificial satellites. Briefly describe the working of communication satellites with some applications.

SECTION-II

Question No. 6

(A) A man is now 3 times as old as his son. In ten (10) years time, the sum of their ages will be 76. How old was the man when his son was born?
(B) How many tiles of 20cm2 will be required to have a footpath 1m wide carried around the outside of grassy plot 24m long and 14m broad?
(C) Mr. Faheem has dinner with his family at a restaurant which offers a 10% discount on food. The marked price of the food that they order was Rs.15000/-. Given that there was a service charges of 10% and GST is 17%, calculate the total amount of money he has to pay.
(D) Mr. Khawaja walked for 45 minutes at the rate of 3km/h and then ran for half an hour at a certain speed. At the end of that time he was 6km away from the starting point. How fast did he run?

Question No. 7

(A) A child went 90m towards East, and then he turned Right and went 20m. Subsequently he turned Right and after going 30m he reached his uncle’s house. From there he went 100m to his North. Determine how far he is from his starting point.
(B) The average of 11 numbers is 63, that of the first 6 numbers are 60 and that of the last 6 numbers are 65. Find the 6th number.
(C) The following table shows some values of ‘x’ and the corresponding values of ‘y’ where, y=x3−3x−10.
x -3 -2 -1 0 1 2 3 4
y -28 -10 8 42
Complete the table and draw a graph between ‘x’ and ‘y’ to find the value of ‘y’ when x=1.8 and value of ‘x’ when y=10.
(D) Mr. Raheel invests Rs.60000/- in an account that earns simple interest. At the end of 5 years, the investment is worth Rs.85000/-. Calculate the rate of simple interest per year.

Question No. 8

(A) Find out the correct word from the given jumbled spellings.
(i) UORSEIS (ii) REGAHT (iii) TYLEAL (iv) RAMYR (v) RYUHR
(B) Find the number of triangles in the following two images.
(C) Calculate the total area and perimeter of the given shape.
(D) Find the missing numbers in the given series.
(i) 4, 18, ?, 100, 180, 294 (ii) 15, 31, 63, 127, ? (iii) 1, 8, 27, 64, 125, ?
(iv) 132, 156, ?, 210, 240, (v) 8, 24, 12, 36, 18, 54, ?

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