Current Affairs MCQs – Geography & Environment Set 3 (20 Explained)

This is a 20-question MCQ set on Geography & Environment (Set 3) — world records, nature, and environment. 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.

Questions (Q1–Q20)

Q1. Which is the largest rainforest in the world? A) Congo Rainforest B) Amazon Rainforest C) Daintree Rainforest D) Sundarbans

Q2. Which is the largest coral reef in the world? A) Belize Barrier Reef B) Great Barrier Reef C) Red Sea Coral Reef D) New Caledonia Barrier Reef

Q3. Which is the deepest ocean trench in the world? A) Tonga Trench B) Mariana Trench C) Java Trench D) Puerto Rico Trench

Q4. Which is the largest lake by area in the world? A) Lake Superior B) Lake Baikal C) Caspian Sea D) Lake Victoria

Q5. Which is the longest mountain range in the world? A) Himalayas B) Andes C) Rockies D) Alps

Q6. Which is the largest volcano in the world? A) Mount Etna B) Mauna Loa C) Mount Vesuvius D) Krakatoa

Q7. Which is the coldest place on Earth? A) Siberia B) Antarctica C) Greenland D) Alaska

Q8. Which is the hottest place on Earth? A) Sahara Desert B) Death Valley C) Dasht-e Lut D) Rub’ al Khali

Q9. Which is the largest waterfall in the world? A) Niagara Falls B) Angel Falls C) Victoria Falls D) Iguazu Falls

Q10. Which is the largest island country in the world? A) Madagascar B) Indonesia C) Philippines D) Japan

Q11. Which gas is most abundant in the atmosphere? A) Oxygen B) Carbon dioxide C) Nitrogen D) Hydrogen

Q12. Which is the main cause of climate change? A) Deforestation B) Greenhouse gases C) Volcanoes D) Ocean currents

Q13. Which is the largest glacier in the world? A) Hubbard Glacier B) Lambert Glacier C) Siachen Glacier D) Perito Moreno

Q14. Which is the largest river delta in the world? A) Nile Delta B) Ganges Delta C) Mississippi Delta D) Mekong Delta

Q15. Which country has the most volcanoes in the world? A) Japan B) Indonesia C) USA D) Philippines

Q16. Which is the largest desert in Asia? A) Arabian Desert B) Gobi Desert C) Sahara Desert D) Syrian Desert

Q17. Which is the deepest canyon in the world? A) Grand Canyon B) Fish River Canyon C) Colca Canyon D) Yarlung Tsangpo Grand Canyon

Q18. Which is the largest cave in the world? A) Mammoth Cave B) Son Doong Cave C) Reed Flute Cave D) Waitomo Caves

Q19. Which is the largest peninsula in the world? A) Indian Peninsula B) Arabian Peninsula C) Iberian Peninsula D) Balkan Peninsula

Q20. Which is the largest archipelago in the world? A) Japan B) Philippines C) Indonesia D) Maldives

Answer Key + Explained Answers

Q1 – B) Amazon Rainforest. Amazon is the largest rainforest (about 5.5 million sq km). Congo is second, Daintree is small, Sundarbans is mangrove.

Q2 – B) Great Barrier Reef. Great Barrier Reef is the largest coral reef (about 2,300 km). Belize is second, Red Sea is smaller, New Caledonia is smaller.

Q3 – B) Mariana Trench. Mariana Trench is the deepest (about 10,935 m). Tonga is second, Java is third, Puerto Rico is fourth.

Q4 – C) Caspian Sea. Caspian Sea is the largest lake by area (about 371,000 sq km). Superior is second, Baikal is deepest, Victoria is largest in Africa.

Q5 – B) Andes. Andes is the longest mountain range (about 8,900 km). Himalayas is highest, Rockies is second-longest, Alps is shorter.

Q6 – B) Mauna Loa. Mauna Loa is the largest volcano (by volume). Etna is active, Vesuvius is famous, Krakatoa is explosive.

Q7 – B) Antarctica. Antarctica is the coldest place (about –89°C). Siberia is cold, Greenland is cold, Alaska is cold — but Antarctica is coldest.

Q8 – B) Death Valley. Death Valley is the hottest place (record 56.7°C). Sahara is hot, Dasht-e Lut is hot, Rub’ al Khali is hot — but Death Valley holds the record.

Q9 – B) Angel Falls. Angel Falls is the largest waterfall (highest, 979 m). Niagara is widest, Victoria is largest sheet, Iguazu is widest.

Q10 – B) Indonesia. Indonesia is the largest island country (about 17,000 islands). Madagascar is largest island, Philippines is second, Japan is third.

Q11 – C) Nitrogen. Nitrogen is most abundant (about 78%). Oxygen is 21%, carbon dioxide is 0.04%, hydrogen is trace.

Q12 – B) Greenhouse gases. Greenhouse gases are the main cause of climate change. Deforestation contributes, volcanoes are minor, ocean currents are natural.

Q13 – B) Lambert Glacier. Lambert Glacier is the largest glacier (about 400 km long). Hubbard is large, Siachen is in Karakoram, Perito Moreno is in Patagonia.

Q14 – B) Ganges Delta. Ganges Delta is the largest river delta (about 105,000 sq km). Nile is smaller, Mississippi is smaller, Mekong is smaller.

Q15 – B) Indonesia. Indonesia has the most volcanoes (about 130 active). Japan has many, USA has many, Philippines has many — but Indonesia has the most.

Q16 – B) Gobi Desert. Gobi is the largest desert in Asia. Arabian is second, Sahara is in Africa, Syrian is smaller.

Q17 – D) Yarlung Tsangpo Grand Canyon. Yarlung Tsangpo is the deepest canyon (about 5,382 m). Grand Canyon is famous, Fish River is in Namibia, Colca is in Peru.

Q18 – B) Son Doong Cave. Son Doong is the largest cave (by volume). Mammoth is longest, Reed Flute is scenic, Waitomo is in NZ.

Q19 – B) Arabian Peninsula. Arabian Peninsula is the largest peninsula (about 3.2 million sq km). Indian is second, Iberian is third, Balkan is fourth.

Q20 – C) Indonesia. Indonesia is the largest archipelago (about 17,000 islands). Japan is second, Philippines is third, Maldives is smaller.

Weak-Section Review

Which questions did you miss? Write the 3 you missed, the correct answers, and one line for each explaining why. World Records: revise Amazon (largest rainforest), Great Barrier Reef (largest coral reef), Mariana Trench (deepest trench), Caspian Sea (largest lake), Andes (longest range), Mauna Loa (largest volcano), Antarctica (coldest), Death Valley (hottest), Angel Falls (largest waterfall), Indonesia (largest island country), nitrogen (most abundant gas), greenhouse gases (climate change), Lambert Glacier (largest glacier), Ganges Delta (largest delta), Indonesia (most volcanoes), Gobi (largest Asian desert), Yarlung Tsangpo (deepest canyon), Son Doong (largest cave), Arabian Peninsula (largest peninsula), Indonesia (largest archipelago). 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.

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