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#CSS GSA 2019

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8 solved questions on CSS GSA 2019

CSS 2019General Science & AbilityQ. 1

Part-I MCQs: the 20 compulsory multiple-choice questions of the CSS 2019 General Science & Ability paper, with answers and short explanations.

#cssnexus #GSA MCQs #CSS 2019 MCQs #General Science MCQs

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 2

(a) Deficiency of vitamins causes different human diseases. Choose the correct type of vitamin (Vit. A, Vit. B1, Vit. C, Vit. D, Vit. E, Vit. K) for each disease: 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, suggest 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?

#cssnexus #Vitamin Deficiency Diseases #Cholesterol #Atherosclerosis

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 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?

#cssnexus #Renewable Energy #Non-Renewable Energy #Optical Fiber

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 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 it's made of gases?

#cssnexus #Importance of Forests #Forests and Economy #Biotechnology

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 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 / casual use of antibiotic may prove dangerous? (d) Why do atoms form bonds? Name three major types of chemical bonds.

#cssnexus #Ozone Depletion #Ozone Layer Protection #Types of Computer Networks

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 6

(a) Moiz was trying to sleep at night but there was too much noise around him. His clock ticked every 5 seconds; a tap was dripping every seventh second 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 many seconds these 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 will it take to fill the pool if only the 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 of central tendency? State its types.

#cssnexus #LCM #Pipes and Cisterns #Percentage

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 7

(a) Moiz and Mair share a lottery win of Rs. 2000 in the ratio of 1:4. Moiz then shares this part between himself, his wife and his son in the ratio of 4:5:1. How much more does his wife get over his son? (b) 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? (c) What is polygon? Describe different types of regular polygon. (d) In a certain code computer is written as FRUVQNPC. How will MEDICINE be written in code language?

#cssnexus #Ratio and Proportion #Simultaneous Equations #Polygon

CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 8

(a) Seven piano students T, U, V, W, X, Y and Z are giving a recital and their instructor is deciding the order in which they will perform; each student will play exactly one piece, a piano solo. The instructor must observe the following restrictions: X cannot play first or second; W cannot play until X has played; neither T nor Y can play seventh; either Y or Z must play immediately after W; V must play immediately after, or immediately before, U. If V plays first, which one of the following must be true? T plays sixth; X plays third; Z plays seventh; T plays immediately after Y; W plays immediately after X. (b) U = {whole numbers from 10 to 24}, A = {even numbers}, B = {numbers divisible by 5}. Write down the number of elements of A∩B. (c) In the given Venn diagram, A represents Americans, S represents scientists and P represents politicians, with regions labelled a to g. Identify: (i) Americans who are politicians but not scientists. (ii) Scientists who are politicians but not Americans. (d) Each packet of washing powder carries a token and 4 tokens can be exchanged for a free packet. How many free packets will I receive if I buy sixty four packets?

#cssnexus #Analytical Reasoning #Logic Puzzle #Sequencing Puzzle

CSS Nexus6 Nov 2026