GSA Practice Set 24 – General Science & Ability (20 Original MCQs Explained)

ByArsalan Khan

This is GSA Practice Set 24 — 20 original MCQs in the GSA pattern: General Science (Q1–Q10), Mathematics (Q11–Q15), and General Ability / Everyday Science (Q16–Q20). Attempt all 20 in 25 minutes without looking at the answers, then check the explained answers and review your weak section. These are original practice questions, not copied from FPSC papers or competitor question banks, and this site is not affiliated with FPSC. Scoring: 18–20 = strong. 15–17 = good. 12–14 = fair, revise the sections you missed. Below 12 = study the weak-section review, then re-attempt in 2 days.

Section A — General Science (Q1–Q10)

Q1. Which is the smallest planet in the solar system? A) Venus B) Mercury C) Mars D) Pluto

Q2. What is the chemical symbol for oxygen? A) Ox B) O C) O2 D) Oxg

Q3. What is the SI unit of force? A) Joule B) Watt C) Newton D) Pascal

Q4. Which organ pumps blood in the human body? A) Liver B) Lung C) Heart D) Kidney

Q5. What is the boiling point of water? A) 90°C B) 95°C C) 100°C D) 105°C

Q6. Which gas do plants use for photosynthesis? A) Oxygen B) Nitrogen C) Carbon dioxide D) Hydrogen

Q7. What is the largest bone in the human body? A) Stapes B) Femur C) Humerus D) Tibia

Q8. Which animal is known as the "King of the Jungle"? A) Tiger B) Lion C) Elephant D) Bear

Q9. What is the chemical formula for water? A) CO2 B) H2O C) NaCl D) O2

Q10. Which vitamin is produced by sunlight? A) Vitamin A B) Vitamin B C) Vitamin C D) Vitamin D

Section B — Mathematics (Q11–Q15)

Q11. What is 30% of 200? A) 40 B) 50 C) 60 D) 70

Q12. Next number in the series: 2, 4, 8, 16, ? A) 24 B) 28 C) 32 D) 36

Q13. If c – 7 = 18, what is c? A) 23 B) 24 C) 25 D) 26

Q14. What is the square of 9? A) 72 B) 81 C) 90 D) 99

Q15. What is 25 × 6? A) 140 B) 150 C) 160 D) 170

Section C — General Ability / Everyday Science (Q16–Q20)

Q16. What is the capital of Italy? A) Madrid B) Rome C) Paris D) Berlin

Q17. Which is the largest continent in the world? A) Africa B) Asia C) Europe D) North America

Q18. Which blood group is the universal recipient? A) O negative B) AB positive C) A positive D) B negative

Q19. What is the lightest metal? A) Aluminium B) Lithium C) Magnesium D) Sodium

Q20. If a triangle has base 10 and height 6, what is its area? A) 25 B) 30 C) 35 D) 40

Answer Key + Explained Answers

Q1 – B) Mercury. Mercury is the smallest planet. Venus is second, Mars is fourth, Pluto is a dwarf planet.

Q2 – B) O. O is the chemical symbol for oxygen. Ox is not a symbol, O2 is oxygen gas, Oxg is not a symbol.

Q3 – C) Newton. Newton is the SI unit of force. Joule is energy, watt is power, pascal is pressure.

Q4 – C) Heart. The heart pumps blood. Liver filters toxins, lung exchanges gases, kidney filters blood.

Q5 – C) 100°C. The boiling point of water is 100°C. 90, 95, 105 are wrong.

Q6 – C) Carbon dioxide. Plants use carbon dioxide for photosynthesis. Oxygen is released, nitrogen is inert, hydrogen is trace.

Q7 – B) Femur. Femur (thigh bone) is the largest bone. Stapes is smallest, humerus is arm, tibia is leg.

Q8 – B) Lion. Lion is known as the "King of the Jungle". Tiger is a big cat, elephant is large, bear is strong.

Q9 – B) H2O. H2O is the chemical formula for water (2 hydrogen, 1 oxygen). CO2 is carbon dioxide, NaCl is salt, O2 is oxygen.

Q10 – D) Vitamin D. Vitamin D is produced by sunlight. Vitamin A is for eyesight, vitamin B is for energy, vitamin C is for immunity.

Q11 – C) 60. 30% of 200 = 0.30 × 200 = 60.

Q12 – C) 32. Each term doubles: 2 × 2 = 4, 4 × 2 = 8, 8 × 2 = 16, 16 × 2 = 32. (24, 28, 36 are not ×2.)

Q13 – C) 25. c – 7 = 18, so c = 18 + 7 = 25.

Q14 – B) 81. Square of 9 = 9 × 9 = 81. (72 is wrong, 90 is wrong, 99 is wrong.)

Q15 – B) 150. 25 × 6 = 150. (140 is wrong, 160 is wrong, 170 is wrong.)

Q16 – B) Rome. Rome is the capital of Italy. Madrid is Spain, Paris is France, Berlin is Germany.

Q17 – B) Asia. Asia is the largest continent. Africa is second, Europe is sixth, North America is third.

Q18 – B) AB positive. AB positive is the universal recipient. O negative is universal donor, A positive is not universal, B negative is not universal.

Q19 – B) Lithium. Lithium is the lightest metal. Aluminium is light, magnesium is light, sodium is light — but lithium is lightest.

Q20 – B) 30. Area of triangle = ½ × base × height = ½ × 10 × 6 = 30. (25 is wrong, 35 is wrong, 40 is wrong.)

Weak-Section Review

Which section did you score lowest in? Write the 3 questions you missed, the correct answers, and one line for each explaining why. General Science: revise Mercury (smallest planet), O (oxygen), Newton (force), heart (pumps blood), 100°C (boiling point), carbon dioxide (photosynthesis), femur (largest bone), lion (King of Jungle), H2O (water), vitamin D (sunlight). Mathematics: practise percentages, ×2 series, algebra, squares, multiplication. General Ability / Everyday Science: revise Rome (Italy), Asia (largest continent), AB positive (universal recipient), lithium (lightest metal), triangle area (½ × base × height). Re-attempt this set in 2 days.

These are original practice questions written for csspastpapers.pk. They are not FPSC official questions, and this site is not affiliated with FPSC.

Read also:

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *