Federal Public Service Commission

General Science & Ability

Competitive Examination-2019

PART-I (MCQs)
1. Human blood consists of which of the following components?
A) Red blood cells | B) White blood cells | C) Platelets | D) All of these
2. Permanent hardness of water is caused by the presence of:
A) Calcium bicarbonate | B) Magnesium bicarbonate | C) Calcium sulphate | D) Sodium bicarbonate
3. In aqueous solutions, hydrogen ions (H⁺) are yielded by:
A) Acids | B) Alkalis | C) Both A and B | D) None of these
4. The total number of bones in an adult human body is:
A) 200 | B) 202 | C) 204 | D) 206
5. The measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work is:
A) Entropy | B) Thermodynamics | C) Negentropy | D) None of these
6. Which specific blood vessel is responsible for providing blood to the liver?
A) Hepatic portal artery | B) Veins | C) Arteries | D) None of these
7. Bronze is an alloy primarily made up of which combination of metals?
A) Copper and nickel | B) Copper and tin | C) Copper and silver | D) None of these
8. Which of the following is NOT considered a primary component of the Earth’s physical environment?
A) Lithosphere | B) Stratosphere | C) Biosphere | D) None of these (All are included)
9. The loudness or intensity of a sound wave depends primarily on its:
A) Wavelength | B) Frequency | C) Amplitude | D) None of these
10. In a nuclear reactor, control rods are often made of which element to absorb neutrons?
A) Cadmium | B) Copper | C) Graphite | D) None of these
11. Which of the following countries is geographically located on the Equator?
A) Kenya | B) China | C) Bhutan | D) El Salvador
12. What is anthracite?
A) Pure carbon | B) Hard coal | C) Ammonia | D) None of these
13. How many bits are required to store the two-character hexadecimal word "AF"?
A) 2 bits | B) 4 bits | C) 8 bits | D) 12 bits
14. What is the common name for the testing version of software released to a limited audience before general launch?
A) Beta | B) Alpha | C) Gamma | D) None of these
15. Which of the following organelles are found in plant cells?
A) Cell wall | B) Large central vacuoles | C) Both A and B | D) None of these
16. The primary nitrogenous waste product of protein metabolism in humans is:
A) Urea | B) Ammonia | C) Magnesium | D) None of these
17. A light year is a unit of measurement for:
A) Light | B) Distance | C) Depth | D) None of these
18. The essential macronutrients (NPK) required by plants are:
A) Nitrogen | B) Potassium | C) Phosphorus | D) All of these
19. The atomic number of an element is defined by its:
A) Proton number | B) Electron number | C) Both A and B (in neutral atoms) | D) None of these
20. Which of the following is an example of a warm-blooded (endothermic) animal?
A) Reptiles | B) Dolphin | C) Frog | D) All of these
PART-II (Subjective) SECTION-I

Question No. 2

(A) Deficiency of vitamins causes different human diseases some of which are given in the table below choose the correct type of vitamin from the box and write in front of each disease.
Vit. A Vit. B1 Vit. C Vit. D Vit. E Vit. K
Diseases caused duw to lack of vitaman | Name of the vitaman
1.Poor night vision
2. Bleeding gums
3. Rickets in children
4. Beri-Beri
5. Anaemia
(B) People suffering from cardiovascular disease having high level of cholesterol in their blood, this often leads to build of fats on its internal arterial walls, suggests how this might be harmful to the heart.
(C) Why the excessive use of chemical fertilizers should be avoided?
(D) Why are Scientists worried about the increase of CO2 in atmosphere?

Question No. 3

(A) Differentiate between the renewable and non- renewable sources of energy giving example of each one of them.
(B) Give a brief account of optic fibers. What is their importance in present day telecom system?
(C) What is the most dangerous part of hurricane and how do cyclone affect humans?
(D) What is the difference between vaccines and Antibiotics? How do antibiotics and vaccines contribute to health?

Question No. 4

(A) What is the importance of forests in the economy of a country?
(B) Give a brief account of biotechnology.
(C) Do the mammals always lay eggs? If yes, where in the world do they live? Write the name some of them.
(D) How can the sun have such a strong gravitational field if its made of gases?

Question No. 5

(A) What does Ozone depletion mean and how can we protect the ozone layer?
(B) What are the different types of a network? Explain each briefly.
(C) Why an indiscriminate / causal use of antibiotic may prove dangerous?
(D) Why do atoms form bonds? Name three major types of chemical bonds.

SECTION-II

Question No. 6

(A) Moiz was trying to sleep at one night but there was too much noise around him. His clock ticked every 5 seconds; a tap was dipping every seventh seconds and a pet dog snored every 12th second. He noticed on his clock that all three things happened together on the stroke of midnight. Find after how may seconds are three things happened together.
(B) One pipe can fill a pool 1.25 times as fast as second pipe. When both pipes are opened they can fill the pool in five hours. How long it will take the fill the pool if only slower pipe is used?
(C) The cost of 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 in 2013?
(D) What do you understand by measure central tendency? State its types.

Question No. 7

(A) Moiz and Mair share a lottery win of Rs. 2000 in the ratio of 1:4. Moiz then share this part between himself, his wife and his son.in the ratio of 4:5:1. How much more his wife gets over his son?
(B) A farmer keeps hens and rabbits on his farm. One day he counted the total of 70 heads and 196 legs. How many more hens than rabbits does he have?
(C) What is polygon? Describe different types of regular polygon.
(D) In a certain code computer is written as FRUVQNPC. How will MEDICINE will be written in code language?

Question No. 8

(A)Seven Piano Students T U V W X Y & Z are given a recital and their instructor is deciding the order in which they will perform, each student will play exactly one piece, a piano solo. In deciding the order of performance the instructor must observer following restrictions.
(i) X cannot play first or second
W cannot have played until X has played
Neither T nor Y can play Seventh
Either Y & Z must play immediately after W
V must play immediately after, or immediately U Played
(ii) If V play first, which one of the following must be true
T plays sixth
X plays third
Z plays seventh
T plays after immediately after Y
W Plays immediately After X
(B) U = [Whole number from 10 to 24]
A = [Even Number]
B = [Number divisible by 5]
Write down the number elements of A∩B
(C) in the following diagram A represent American, S represent scientist and P represents politicians
(i) American those are politicians but not scientists will be.
(ii) Scientists which are politicisms but not Americans will be.
(D) Each packet of washing powder carries a token and 4 token can be exchanged for free packet, How many free packets will I receive if I buy sixty four packets?

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