FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION – 2023
FOR RECRUITMENT TO POSTS IN BS-17
UNDER THE FEDERAL GOVERNMENT
UNDER THE FEDERAL GOVERNMENT
GENERAL KNOWLEDGE-I (GENERAL SCIENCE & ABILITY)
| TIME ALLOWED: | THREE HOURS | PART-I (MCQS) MAXIMUM MARKS = 20 |
| PART-I(MCQS): | MAXIMUM 30 MINUTES | PART-II MAXIMUM MARKS = 80 |
NOTE:
| (i) | Part-II is to be attempted on the separate Answer Book. |
| (ii) | Attempt ONLY FOUR questions from PART-II by selecting Two questions from EACH SECTION. ALL questions carry EQUAL marks. |
| (iii) | All the parts (if any) of each Question must be attempted at one place instead of at different places. |
| (iv) | Candidate must write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper. |
| (v) | No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed. |
| (vi) | Extra attempt of any question or any part of the attempted question will not be considered. |
| (vii) | Use of Calculator is not allowed. |
PART-II
(SECTION-A)
Q.2.
| (a) | Define ceramic and nano-ceramic materials. Why the nano-ceramics show better properties than their ceramic counterparts? Write the application of ceramic materials. | (5) | ||||||
| (b) | What is ‘Black Hole’? How black holes are formed and discovered? | (5) | ||||||
| (c) |
Write two applications of each of the following electromagnetic radiations:
|
(5) | ||||||
| (d) | What is ‘Wildfire’? Explain its types, causes, spread and preventions. | (5) (20) |
Q.3.
| (a) |
(i) Why the bat and whale are considered as mammals? (ii) Write a note on liver juice ‘Bile’. |
(5) |
| (b) | How the urine is formed? Describe the role of kidney in excretion. | (5) |
| (c) |
(i) How a bacterial cell is different from a plant cell? (ii) What do you think cold-blooded animals are slowed down by low temperatures? |
(5) |
| (d) | What is hepatitis, its types, causes, prevention, and cure? | (5) (20) |
Q.4.
| (a) | What is the difference between fog and smog? What are the causes of smog and its effects on human health? Write short note on any one of the latest technologies to eliminate smog to avoid atmospheric pollution. | (5) |
| (b) | What is the role of oxygen-demanding wastes in water pollution? How it can be prevented? | (5) |
| (c) | What is the biosphere? Write a note on the Energy Resources available in the biosphere. | (5) |
| (d) | What are the different layers of the atmosphere? On what basis these layers are classified? In which layer “Auroras” are formed and where do satellites orbit? | (5) (20) |
Q.5.
| (a) | What are antioxidants and why are they used in foods? Write a short note on natural and synthetic antioxidants. | (5) |
| (b) | How the carbohydrate, proteins, and fats are digested in humans? | (5) |
| (c) | How does the Navistar GPS system work for different applications? | (5) |
| (d) |
(i) Differentiate between network and internet? (ii) What is the difference among application, program and software? |
(5) (20) |
(SECTION-B)
Q.6.
| (a) | A telephone company charges initially Rs. 0.50 and then Rs. 0.11 for every minute. Write an expression that gives the cost of a call that lasts N minutes. | (5) | ||||||
| (b) |
Find the missing number in the series below.
|
(5) | ||||||
| (c) |
The perimeter of the rectangle given below is 114 cm. Find the area of the rectangle.
(3x-y) cm
(2x+y) cm
(2x-3) cm
|
(5) |