Current Affairs MCQs – Science & General Knowledge (20 Explained)

This is a Current Affairs MCQ set — 20 original MCQs: 10 Science (Q1–Q10) and 10 General Knowledge (Q11–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 — Science (Q1–Q10)

Q1. Which blood cells carry oxygen in the human body? A) White blood cells B) Red blood cells C) Platelets D) Plasma cells

Q2. What is the chemical symbol for sodium? A) So B) Na C) Sd D) Sm

Q3. Which organ filters blood in the human body? A) Liver B) Kidney C) Spleen D) Pancreas

Q4. Which is the smallest planet in our solar system? A) Venus B) Mars C) Mercury D) Pluto

Q5. What is the main source of energy for the Earth? A) Moon B) Sun C) Wind D) Coal

Q6. Which is the only mammal that can fly? A) Flying squirrel B) Bat C) Sugar glider D) Colugo

Q7. What is the chemical formula for common salt? A) KCl B) NaCl C) CaCl2 D) MgCl2

Q8. Which planet is famous for its rings? A) Mars B) Venus C) Saturn D) Mercury

Q9. Which is the largest gland in the human body? A) Thyroid B) Pancreas C) Liver D) Adrenal

Q10. Which vitamin helps vision (eyesight)? A) Vitamin A B) Vitamin B C) Vitamin C D) Vitamin D

Section B — General Knowledge (Q11–Q20)

Q11. What is the capital of France? A) London B) Berlin C) Paris D) Madrid

Q12. Which is the longest wall in the world? A) Berlin Wall B) Great Wall of China C) Hadrian’s Wall D) Western Wall

Q13. Which country is home to the Taj Mahal? A) Pakistan B) Bangladesh C) India D) Nepal

Q14. Which is the deepest ocean in the world? A) Atlantic Ocean B) Indian Ocean C) Arctic Ocean D) Pacific Ocean

Q15. Which language is the most spoken in the world (by native speakers)? A) English B) Hindi C) Mandarin Chinese D) Spanish

Q16. What is the capital of Germany? A) Munich B) Berlin C) Hamburg D) Frankfurt

Q17. What is the national sport of Japan? A) Judo B) Sumo C) Karate D) Kendo

Q18. Which country hosted the 2020 Summer Olympic Games? A) China B) Japan C) South Korea D) Brazil

Q19. What is the currency of Japan? A) Won B) Yuan C) Yen D) Ringgit

Q20. What is the tallest building in the world? A) Shanghai Tower B) Burj Khalifa C) Abraj Al-Bait D) One World Trade Center

Answer Key + Explained Answers

Q1 – B) Red blood cells. Red blood cells (haemoglobin) carry oxygen. White blood cells fight infection, platelets clot blood, plasma is the fluid.

Q2 – B) Na. Sodium is Na (from Latin “natrium” = sodium). So is not a symbol, Sd is not a symbol, Sm is samarium.

Q3 – B) Kidney. Kidneys filter blood (remove waste, make urine). Liver detoxifies, spleen filters old blood cells, pancreas makes enzymes / insulin.

Q4 – C) Mercury. Mercury is the smallest planet (about 4,879 km diameter). Venus is second-smallest, Mars is third, Pluto is a dwarf planet (not a planet).

Q5 – B) Sun. Sun is the main source of energy for the Earth (heat, light, photosynthesis). Moon reflects light, wind is secondary, coal is stored solar energy.

Q6 – B) Bat. Bat is the only mammal that can truly fly. Flying squirrel glides, sugar glider glides, colugo glides.

Q7 – B) NaCl. Common salt is sodium chloride (NaCl). KCl is potassium chloride, CaCl2 is calcium chloride, MgCl2 is magnesium chloride.

Q8 – C) Saturn. Saturn is famous for its rings (ice, rock). Mars has no rings, Venus has no rings, Mercury has no rings.

Q9 – C) Liver. Liver is the largest gland (about 1.5 kg). Thyroid is small, pancreas is small, adrenal is tiny.

Q10 – A) Vitamin A. Vitamin A helps vision (retina). Vitamin B (energy), C (immunity), D (bones) do not help vision.

Q11 – C) Paris. Paris is the capital of France. London is UK, Berlin is Germany, Madrid is Spain.

Q12 – B) Great Wall of China. Great Wall of China (about 21,196 km) is the longest wall. Berlin Wall is 155 km, Hadrian’s Wall is 117 km, Western Wall is 488 m.

Q13 – C) India. Taj Mahal is in Agra, India. Pakistan has Badshahi Mosque, Bangladesh has Lalbagh Fort, Nepal has Pashupatinath Temple.

Q14 – D) Pacific Ocean. Pacific Ocean is the deepest ocean (Mariana Trench, about 11 km). Atlantic is second-deepest, Indian is third, Arctic is shallowest.

Q15 – C) Mandarin Chinese. Mandarin Chinese is the most spoken by native speakers (about 900 million). English is most spoken total (native + second), Hindi is third, Spanish is second by native.

Q16 – B) Berlin. Berlin is the capital of Germany. Munich is Bavaria’s capital, Hamburg is a port city, Frankfurt is a financial centre.

Q17 – B) Sumo. Sumo is Japan’s national sport. Judo is a martial art, karate is a martial art, kendo is a martial art.

Q18 – B) Japan. Japan hosted the 2020 Summer Olympics (Tokyo, held 2021). China hosted 2008, South Korea hosted 1988, Brazil hosted 2016.

Q19 – C) Yen. Yen is Japan’s currency. Won is South Korea, yuan is China, ringgit is Malaysia.

Q20 – B) Burj Khalifa. Burj Khalifa (Dubai, 828 m) is the tallest building. Shanghai Tower is 632 m, Abraj Al-Bait is 601 m, One World Trade Center is 541 m.

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. Science: revise red blood cells (carry oxygen), Na (sodium), kidney (filters blood), Mercury (smallest planet), Sun (main energy), bat (only flying mammal), NaCl (salt), Saturn (rings), liver (largest gland), Vitamin A (vision). General Knowledge: revise Paris (France capital), Great Wall of China (longest wall), India (Taj Mahal), Pacific Ocean (deepest ocean), Mandarin Chinese (most spoken native), Berlin (Germany capital), Sumo (Japan national sport), Japan (2020 Olympics), Yen (Japan currency), Burj Khalifa (tallest building). 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.

Related: Current Affairs past papers, Pakistan Affairs past papers, CSS syllabus, Science & Technology MCQs, World Geography MCQs, Pakistan & World MCQs, Geography & Environment MCQs, Pakistan & World Affairs MCQs, International Organizations MCQs.