SINDH PUBLIC SERVICE COMMISSION, HYDERABAD.
Combined Competitive Examination, 2021
General Science & Ability
Friday the 11th February, 2022.
Time: 02:30 pm to 05: 30 pm Maximum marks. 100
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Note: Attempt any two questions from each Section. Question No. 01 is compulsory.
(Total 05 questions)
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Question No. Marks.
01 Choose the correct Answer from the following options 20
(i) Which scale is used to measure the intensity of Earth Quake:
(A) Richter (B) Meter (C) Centigrade (D) Newlow
(ii) Among the following planets, which is the brightest planet?
(A) Mercury (B) Venus (C) Mars (D) Jupiter
(iii) Which of the following energy has the greatest potential among all the sources of renewable energy?
(A) Solar Energy (B) Wind Energy (C) Thermal Energy (D) Hydro-electrical Energy.
(iv) AIDS is caused by:
(A) Fungus (B) Virus (C) Bacterium (D) Helminth.
(v) Which of the following gas is more in percentage in the air?
(A) Oxygen gas (B) Nitrogen gas (C) Water vapour (D) Carbon dioxide gas.
(vi) A substance needed by the body for growth, energy, repair and maintenance is called a:
(A) Nutrient (B) Carbohydrate (C) Calorie (D) Fatty acid
(vii) Ohm: Watt: Volt.
(A) Light (B) Electricity (C) Hour (D) Ampere
(viii) 1, 4, 9, 16, 25 (____):
(A) 35 (B) 36 (C) 48 (D) 49
(ix) 5005 – 5000 ÷ 10 = ?
(A) 0.5 (B) 50 (C) 5000 (D) 4505
(x) Which is the smallest unit of Data in computer:
(A) Bit (B) Byte (C) Kilobyte (D) Mini byte
(xi) CNG stands for:
(A) Converted natural gas (B) Conduced natural gas (C) Compressed natural gas (D) Clean natural gas.
(xii) Urine is produced in:
(A) Kidney (B) Lungs (C) Large Intestine (D) Liver.
(xiii) Meteorology is study of:
(A) Rain (B) Iron (C) Winds (D) Atmospheric science.
(xiv) HTML is an abbreviation for :
(A) Hi Tech meaningful language (B) Hypertext Markup Language (C) Hi Tech markup language (D) Hypertext makeup language.
(xv) Solar eclipse occurs when:
(A) Earth comes between sun and moon (B) Moon is at right angle to the earth (C) Moon comes between sun and earth (D) Sun comes between moon and earth.
(xvi) Permanent hardness of water cannot be removed by:
(A) Boiling (B) Adding caustic soda (C) Distillation (D) Adding soda.
(xvii) The function of liver is to:
(A) Promote digestion of food (B) Promote respiration (C) Store glucose as glycogen (D) None of these
(xviii) Speed of light is:
(A) Eight hundred fifty miles per second (B) Two hundred miles per second (C) One lac eighty six thousand miles per second (D) One thousand miles per second.
(xix) Million has got:
(A) Five zero (B) Six zero (C) Seven zero (D) Eight zero.
(xx) Carbon dating is used for:
(A) Collecting carbon (B) Finding the age (C) Hardening the diamond (D) Melting steel.
SECTION-I
02 (A) What is global warming and its effects on our Agriculture Sector. 10
(B) What are green house gases and its effects. 10
03 Please explain the following with suitable examples: 20
(i) Artificial Intelligence (ii) Augmented Reality (iii) Virtual reality (iv) Robotics.
04 (A) What is different between Climate and Weather? Please explain. 10
(B) How Altitude and Latitude impact the climate? Do following parameters can be impacted by them: i.e. Temperature, Pressure and Air Circulation. 10
05 (A) Define the following and differentiate: 10
(i) Solar and Lunar Eclipses (ii) Rotation and Revolution (iii) Universe and Galaxy (iv) Precipitation and Humidity
(B) What is light year? Why do Astronomers‟ measure distance in light years? Can light year be used to measure time? Discuss with examples. 10
SECTION-II
06. (A) A Bat and Ball cost Rs. 1.10 in total. The bat costs one Rupee more than the ball. How much does the Ball Cost? 05
(B) A camera costs Rs.180 in a 10% sale. What was the pre-sale price? 05
(i) Rs.200 (ii) Rs. 300 (iii) Rs.400 (iv) None of these.
(C) What percent of 12 is 84? (i) 800% (ii) 600% (iii) 700% (iv) None of these. 05
(D) If 200% of a number is 90, then what is the 80% of that number? 05
(i) 48 (ii) 36 (iii) 24 (iv) None of these.
07 (A) What is logical reason and how one can answer logical reasoning questions? Present deductive and inductive reasoning examples: 10
(B) From a group of seven candidates ( A, B, C, D, E, F and G), four will be selected to give A presentation for recruitment. The following must be met: 05
(i) Either A or B must be selected, but A and B cannot both be selected.
(ii) Either E or F must be selected, but E and F cannot both be selected.
(iii) E cannot be selected unless C is selected.
(iv) G cannot be selected unless B is selected.
If we know that F is not selected to present, how many different groups of four can be made, following the above criteria?
(I) One; (II) Two; (III) Three ; (IV) Four; (V) Five
(A) What number comes next? 05
9, 15, 13, 19, 17, 23….
08 (A) Aftab leaves his house at 20 minutes to seven in the morning reaches Akbar’s house in 25 minutes, they finish their breakfast in another 15 minutes and leave for their office which takes another 35 minutes. At what time do they leave Akbar’s house to reach their office? 10
(i) 7.40 a.m (ii) 7.20 a.m (iii) 7.45 a.m (iv) 8.15 a.m
(B) Yousif left home for the bus stop 15 minutes earlier than usual. It takes 10 minutes to reach the stop. He reached the stop at 8.40 a.m. What time does he usually leave home. 10
(i) 8.30 a.m (ii) 8.45 a.m (iii) 8.55 a.m (D) None of these.
09 Differentiate what is a dam, a carryover dam and a barrage. Also, write short note on their importance for Pakistan. 20
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