GSA Practice Set 30 – General Science & Ability (20 Original MCQs Explained)

Intro: This is GSA Practice Set 30 — 20 original MCQs in the GSA pattern: General Science (Q1–Q10), Quantitative Ability (Q11–Q15), General Knowledge (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 planet is known as the Morning Star? A) Mars B) Venus C) Jupiter D) Mercury

Q2. What is the chemical symbol for iron? A) Ir B) Fe C) In D) I

Q3. What is the unit of power? A) Volt B) Ohm C) Watt D) Ampere

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

Q5. At what temperature does water freeze in Celsius? A) 0°C B) 10°C C) 32°C D) 100°C

Q6. Which gas is exhaled by humans? A) Oxygen B) Nitrogen C) Carbon dioxide D) Hydrogen

Q7. Which is the fastest land animal? A) Lion B) Cheetah C) Horse D) Deer

Q8. Which is the largest bird in the world? A) Eagle B) Ostrich C) Emu D) Penguin

Q9. What is the chemical formula for carbon dioxide? A) CO B) CO2 C) O2 D) C2O

Q10. Which vitamin helps blood clotting? A) Vitamin A B) Vitamin C C) Vitamin D D) Vitamin K

Section B — Quantitative Ability (Q11–Q15):

Q11. What is 30% of 200? A) 50 B) 55 C) 60 D) 65

Q12. Next number in the series: 6, 12, 24, 48, ? A) 72 B) 84 C) 96 D) 108

Q13. If p + 7 = 25, what is p? A) 16 B) 17 C) 18 D) 19

Q14. What is the cube of 4? A) 54 B) 59 C) 64 D) 69

Q15. What is 15 × 8? A) 110 B) 115 C) 120 D) 125

Section C — General Knowledge (Q16–Q20):

Q16. Which is the capital of Japan? A) Seoul B) Tokyo C) Beijing D) Bangkok

Q17. Which is the largest ocean? A) Atlantic B) Indian C) Pacific D) Arctic

Q18. What is the boiling point of water in Celsius? A) 90°C B) 95°C C) 100°C D) 110°C

Q19. Which is the best conductor of electricity? A) Copper B) Silver C) Gold D) Aluminium

Q20. How many sides does a pentagon have? A) 4 B) 5 C) 6 D) 7

Answer Key + Explained Answers:

Q1 – B) Venus. Venus is the Morning Star. Mars is Red Planet, Jupiter is largest, Mercury is smallest.

Q2 – B) Fe. Fe is the symbol for iron. Ir is iridium, In is indium, I is iodine.

Q3 – C) Watt. Watt is the unit of power. Volt is voltage, Ohm is resistance, Ampere is current.

Q4 – C) Heart. Heart pumps blood. Liver detoxifies, kidney filters, lung breathes.

Q5 – A) 0°C. Water freezes at 0°C. 10°C is 50°F, 32°C is 90°F, 100°C is boiling.

Q6 – C) Carbon dioxide. Humans exhale carbon dioxide. Oxygen is inhaled, nitrogen is in air, hydrogen is in water.

Q7 – B) Cheetah. Cheetah is the fastest land animal. Lion is fast, horse is fast, deer is fast — but cheetah is fastest.

Q8 – B) Ostrich. Ostrich is the largest bird. Eagle is large, emu is large, penguin is flightless — but ostrich is largest.

Q9 – B) CO2. CO2 is carbon dioxide. CO is carbon monoxide, O2 is oxygen, C2O is not carbon dioxide.

Q10 – D) Vitamin K. Vitamin K helps blood clotting. Vitamin A is for vision, Vitamin C is for immunity, Vitamin D is for bones.

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

Q12 – C) 96. Pattern: ×2: 6 × 2 = 12, 12 × 2 = 24, 24 × 2 = 48, 48 × 2 = 96. (72, 84, 108 are not ×2.)

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

Q14 – C) 64. Cube of 4 = 4³ = 4 × 4 × 4 = 64. (54, 59, 69 are wrong.)

Q15 – C) 120. 15 × 8 = 120. (110, 115, 125 are wrong.)

Q16 – B) Tokyo. Tokyo is the capital of Japan. Seoul is South Korea, Beijing is China, Bangkok is Thailand.

Q17 – C) Pacific. Pacific is the largest ocean. Atlantic is second, Indian is third, Arctic is smallest.

Q18 – C) 100°C. Water boils at 100°C. 90°C is below boiling, 95°C is below boiling, 110°C is above boiling.

Q19 – B) Silver. Silver is the best conductor of electricity. Copper is second, gold is third, aluminium is fourth.

Q20 – B) 5. A pentagon has 5 sides (penta = five). Square has 4, hexagon has 6, heptagon has 7.

Weak-Section Review:

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 Venus (Morning Star), Fe (iron), Watt (power), Heart (pumps blood), 0°C (freezes), CO2 (exhaled), Cheetah (fastest land), Ostrich (largest bird), CO2 (carbon dioxide), Vitamin K (clotting). Quantitative Ability: practise percentages, ×2 series, algebra, cubes, multiplication. General Knowledge: revise Tokyo (Japan), Pacific (largest ocean), 100°C (boiling), Silver (best conductor), pentagon (5 sides). Re-attempt this set in 2 days.

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

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