#41

Which English lake, linked to poet William Wordsworth, was celebrated in 2025?

(a) Windermere

(b) Coniston Water

(c) Derwentwater

(d) Grasmere Lake

Explanation: Grasmere Lake, in England’s Lake District, is famous for inspiring William Wordsworth, celebrated in a 2025 X post for its beauty. Windermere, Coniston, and Derwentwater are nearby but lack this specific link, making Grasmere Lake the correct choice.

#42

What is the U.S. river system named the most endangered in 2025 due to flood risks?

(a) Ohio River

(b) Mississippi River

(c) Missouri River

(d) Colorado River

Explanation: The Mississippi River, part of a 3,730 km system with the Missouri, was named the most endangered U.S. river in 2025 due to flood relief cuts and severe weather, as per web sources. Colorado, Missouri, and Ohio face issues but are not ranked highest, making Mississippi River the correct choice.

#43

Which Venezuelan river is studied in 2025 for connecting two major basins?

(a) Apure River

(b) Orinoco River

(c) Caroni River

(d) Casiquiare River

Explanation: The Casiquiare River, a natural canal in Venezuela, is studied in 2025 for linking the Amazon and Orinoco basins, as reported in web sources. Orinoco, Caroni, and Apure are part of its system but not the link, making Casiquiare River the correct choice.

#44

Which UK river, studied for microplastics in 2025, flows through London?

(a) Severn River

(b) Avon River

(c) Trent River

(d) Thames River

Explanation: The Thames River, flowing through London, was found to contain microplastics in 2025 studies, as per web sources. Severn, Trent, and Avon are other UK rivers but less emphasized in these studies, making Thames River the correct choice.

#45

Which Norwegian waterfall, one of the most photographed, was promoted for 2025 tourism?

(a) Trolltunga Falls

(b) Vøringsfossen

(c) Kjosfossen

(d) Langfossen

Explanation: Vøringsfossen, in Norway’s Hardangerfjord region, is a 182 m waterfall, promoted as one of the most photographed in 2025 X posts. Kjosfossen, Langfossen, and Trolltunga are less iconic, making Vøringsfossen the correct choice.

#46

What is Iceland’s waterfall, famous for its walk-behind path and 2025 sunset views?

(a) Skógafoss

(b) Dettifoss

(c) Seljalandsfoss

(d) Gullfoss

Explanation: Seljalandsfoss, in Iceland, is a 60 m waterfall with a walk-behind path, highlighted for magical sunset views in a 2025 X post. Skógafoss, Gullfoss, and Dettifoss lack this feature, making Seljalandsfoss the correct choice.

#47

Which Antarctic waterfall, studied in 2025, is known for its red, iron-rich flow?

(a) Ross Falls

(b) Taylor Falls

(c) Blood Falls

(d) McMurdo Falls

Explanation: Blood Falls, in Antarctica’s Taylor Glacier, is a red, iron-rich waterfall studied in 2025 for its subglacial source and microbes, as per web sources. McMurdo, Taylor, and Ross are not recognized waterfalls, making Blood Falls the correct choice.

#48

Which African waterfall had evidence of early human activity studied in 2025?

(a) Kalambo Falls

(b) Lumangwe Falls

(c) Tugela Falls

(d) Victoria Falls

Explanation: Kalambo Falls, on the Zambia-Tanzania border, had evidence of early human activity linked to its water and forest resources studied in 2025, as per a web source. Victoria, Tugela, and Lumangwe lack this finding, making Kalambo Falls the correct choice.

#49

Which Minnesota waterfall, highlighted in 2025, is known for its mysterious split flow?

(a) High Falls

(b) Devil’s Kettle Falls

(c) Gooseberry Falls

(d) Minnehaha Falls

Explanation: Devil’s Kettle Falls, in Minnesota’s Judge C.R. Magney State Park, is known for its mysterious split flow, highlighted for 2025 tourism, as per a web source. High, Gooseberry, and Minnehaha are less unique, making Devil’s Kettle Falls the correct choice.

#50

Which Swiss waterfall in Lauterbrunnen was visited for its beauty in 2025?

(a) Giessbach Falls

(b) Trümmelbach Falls

(c) Staubbach Falls

(d) Reichenbach Falls

Explanation: Staubbach Falls, in Switzerland’s Lauterbrunnen Valley, is a 297 m waterfall visited for its beauty in a 2025 X post. Reichenbach, Giessbach, and Trümmelbach are nearby but less emphasized, making Staubbach Falls the correct choice.

#51

Which African desert, the world’s largest hot desert, had evidence of a 9,000-year-old lake discovered in 2025?

(a) Namib Desert

(b) Kalahari Desert

(c) Libyan Desert

(d) Sahara Desert

Explanation: The Sahara Desert, covering 9.2 million km² in North Africa, is the world’s largest hot desert, with 2025 studies revealing a 9,000-year-old lake and AI uncovering 5,000-year-old civilizations, as per web sources. Kalahari, Namib, and Libyan are smaller or sub-regions, making Sahara Desert the correct choice.

#52

What is the Middle Eastern desert with a 2025 study showing 8 million years of lush periods?

(a) Rub’ al-Khali

(b) Negev Desert

(c) Arabian Desert

(d) Syrian Desert

Explanation: The Arabian Desert, spanning 2.33 million km², had 2025 studies revealing 8 million years of ‘Green Arabia’ with rivers and a 9,000-year-old lake in the Empty Quarter, as per web sources. Syrian and Negev are smaller, and Rub’ al-Khali is a sub-region, making Arabian Desert the correct choice.

#53

Which Asian desert, the fifth largest globally, yielded a new mammal fossil in 2025?

(a) Taklamakan Desert

(b) Kyzylkum Desert

(c) Thar Desert

(d) Gobi Desert

Explanation: The Gobi Desert, covering 1.3 million km² in Mongolia and China, is the fifth largest desert and had a 2025 discovery of a dinosaur-era mammal fossil, as noted in a web source and an X post. Taklamakan, Thar, and Kyzylkum are smaller, making Gobi Desert the correct answer.

#54

What is the South American desert, the driest on Earth, studied for microbes in 2025?

(a) La Guajira Desert

(b) Monte Desert

(c) Atacama Desert

(d) Patagonian Desert

Explanation: The Atacama Desert, spanning 105,000 km² in Chile and Peru, is the driest desert, with 2025 studies finding living microbes, as per a web source and an X post. Patagonian, La Guajira, and Monte are less extreme, making Atacama Desert the correct choice.

#55

Which U.S. desert is home to Death Valley and 16 new grasshopper species found in 2025?

(a) Great Basin Desert

(b) Sonoran Desert

(c) Chihuahuan Desert

(d) Mojave Desert

Explanation: The Mojave Desert, covering 124,000 km² in the U.S., includes Death Valley and had 16 new grasshopper species identified in 2025, as per a web source. Sonoran, Great Basin, and Chihuahuan are nearby but lack this discovery, making Mojave Desert the correct choice.

#56

Which North American desert is known for its saguaro cacti and 2025 census concerns?

(a) Great Basin Desert

(b) Mojave Desert

(c) Sonoran Desert

(d) Chihuahuan Desert

Explanation: The Sonoran Desert, spanning 260,000 km² in the U.S. and Mexico, is famous for saguaro cacti, with 2025 census concerns about die-offs, as per a web source. Mojave, Chihuahuan, and Great Basin lack saguaros, making Sonoran Desert the correct choice.

#57

Which Asian desert in China is one of the largest sandy deserts, studied for formation in 2025?

(a) Thar Desert

(b) Ordos Desert

(c) Gobi Desert

(d) Taklamakan Desert

Explanation: The Taklamakan Desert, covering 337,000 km² in China, is a major sandy desert studied in 2025 for formation patterns, as per a web source. Gobi is rocky, Thar is in India, and Ordos is smaller, making Taklamakan Desert the correct choice.

#58

Which Patagonian glacier, dubbed the world’s most beautiful in 2025, is known for its dynamic shifts?

(a) Viedma Glacier

(b) Upsala Glacier

(c) Spegazzini Glacier

(d) Perito Moreno Glacier

Explanation: Perito Moreno Glacier, in Argentina’s Santa Cruz, is celebrated as the world’s most beautiful by Forbes in 2025, known for its active calving and shifts, as noted in X posts. Upsala, Viedma, and Spegazzini are nearby but less iconic, making Perito Moreno Glacier the correct choice.

#59

Which Icelandic glacier, Europe’s largest, forms stunning ice caves studied in 2025?

(a) Svínafellsjökull Glacier

(b) Mýrdalsjökull Glacier

(c) Vatnajökull Glacier

(d) Langjökull Glacier

Explanation: Vatnajökull Glacier, covering 8,100 km² in Iceland, is Europe’s largest, with 2025 studies of its blue ice caves formed by meltwater, as per X posts. Langjökull, Mýrdalsjökull, and Svínafellsjökull are smaller, making Vatnajökull Glacier the correct choice.

#60

Which Himalayan glacier was declared ‘dead’ in 2025 with Asia’s first commemorative plaque?

(a) Gangotri Glacier

(b) Khumbu Glacier

(c) Siachen Glacier

(d) Yala Glacier

Explanation: Yala Glacier, in Nepal’s Hindu Kush Himalayas, was declared ‘dead’ in 2025 due to rapid melting, receiving Asia’s first commemorative plaque, as reported in X posts. Gangotri, Siachen, and Khumbu are retreating but not ‘dead,’ making Yala Glacier the correct choice.

August 2025 Current Affairs MCQs & Solutions