current-affairs MCQs

Current Affairs MCQs – Page 73 (Q721-730)

Current Affairs MCQs

721Which country is generally credited as the birthplace of the Industrial Revolution?
Explanation

Britain is generally credited as the birthplace of the Industrial Revolution, beginning in the mid-to-late 18th century with transformative innovations in textile manufacturing, steam power and iron production that fundamentally reshaped economies and societies worldwide. Key developments included James Watt's improved steam engine and the mechanization of the textile industry. United States, Germany and France are tempting distractors, as each later became a major industrial power in its own right, though the Industrial Revolution's origins are specifically traced to Britain. The Industrial Revolution eventually spread across Europe and North America, fundamentally transforming global patterns of production, urbanization and trade.

722On which Japanese city was the world’s first nuclear weapon used in warfare dropped in 1945?
Explanation

Hiroshima was the Japanese city on which the world's first nuclear weapon used in warfare was dropped, on August 6, 1945, by the United States, instantly killing tens of thousands of people and ultimately contributing to Japan's surrender, ending World War II. A second atomic bomb was dropped on Nagasaki three days later, on August 9, 1945. Nagasaki, Tokyo and Osaka are tempting distractors, with Nagasaki specifically being the target of that second, distinct atomic bombing. The bombings of Hiroshima and Nagasaki remain the only wartime uses of nuclear weapons in human history, and both cities have since become powerful global symbols advocating for nuclear disarmament.

723Which country conducted the first successful test detonation of a nuclear weapon?
Explanation

The United States conducted the first successful test detonation of a nuclear weapon, known as the Trinity test, on July 16, 1945, in the New Mexico desert, as part of the top-secret wartime Manhattan Project. The successful test paved the way for the atomic bombings of Hiroshima and Nagasaki just weeks later, helping bring an end to World War II. Soviet Union, United Kingdom and Germany are tempting distractors, with the Soviet Union conducting its own first successful nuclear test several years later, in 1949, ending the brief American nuclear monopoly. The Trinity test site in New Mexico is now a National Historic Landmark, occasionally opened to public visitors.

724Who was the recipient of the first permanent artificial heart implant, the Jarvik-7, in 1982?
Explanation

Barney Clark, an American dentist, was the recipient of the first permanent artificial heart implant, known as the Jarvik-7, in a groundbreaking surgery performed in December 1982, surviving for 112 days following the operation. His case attracted enormous international medical and public attention as a landmark moment in the development of mechanical heart replacement technology. Karl Rossman, Louis Washkansky and William Schroeder are tempting distractors, with Washkansky instead being the recipient of the world's first human heart transplant in 1967 and Schroeder later becoming the second recipient of the Jarvik-7 artificial heart. The Jarvik-7 device was named after its principal inventor, American physician Robert Jarvik.

725Which aircraft completed the first non-stop, non-refueled flight around the world in 1986?
Explanation

The Voyager aircraft completed the first non-stop, non-refueled flight around the world in December 1986, piloted by Dick Rutan and Jeana Yeager, covering over 26,000 miles in just over nine days without landing or refueling. The lightweight, specially designed aircraft carried an enormous fuel load relative to its own structural weight to achieve this remarkable feat of endurance. Concorde, Global Flyer and Spirit of St. Louis are tempting distractors, with the Global Flyer later achieving a similar round-the-world flight solo in 2005 and the Spirit of St. Louis being Charles Lindbergh's famous transatlantic aircraft from 1927. The Voyager aircraft is now preserved and displayed at the Smithsonian National Air and Space Museum.

726Which country was the first in the world to give women the right to stand as candidates for national parliament?
Explanation

Finland became the first country in the world to give women the right to stand as candidates for national parliament, in 1906, as part of sweeping political reforms that also granted women full voting rights that same year, then part of the Russian Empire as the autonomous Grand Duchy of Finland. Nineteen women were elected to the Finnish parliament in the very first elections held under the new law in 1907. Norway, Australia and New Zealand are tempting distractors, as each granted women voting rights around a similar period, though Finland specifically was first to allow women to also stand as candidates. Finland's pioneering reforms placed it well ahead of most other nations on women's political representation for decades.

727Which submarine was the first vessel to circumnavigate the globe while fully submerged?
Explanation

The USS Triton, a US Navy nuclear-powered submarine, became the first vessel to circumnavigate the globe while fully submerged, completing the historic voyage in 1960 in just under 61 days without ever surfacing. The mission demonstrated the extraordinary endurance and capability of nuclear-powered submarine technology during the Cold War era. USS Nautilus, USS Seawolf and USS Skate are tempting distractors, with the Nautilus notably being the world's first nuclear-powered submarine and the first vessel to reach the North Pole while submerged, in 1958, a separate historic milestone. The Triton's voyage roughly retraced the historic circumnavigation route first completed by Ferdinand Magellan's expedition over four centuries earlier.

728Who is credited with taking the first durable color photograph, demonstrated in 1861?
Explanation

James Clerk Maxwell, the Scottish physicist best known for his groundbreaking work on electromagnetism, is credited with taking the first durable color photograph, demonstrated in a public lecture in London in 1861, using a technique involving three separate color-filtered photographic plates combined together. His demonstration proved the principle behind additive color photography years before practical, widely usable color photography became commercially available. George Eastman, Thomas Sutton and Louis Daguerre are tempting distractors, with Sutton actually being the photographer who physically took Maxwell's demonstration images under his direction, and Daguerre and Eastman each making other separate major contributions to early photography. Maxwell's pioneering color photography experiment reflected his broader scientific interest in the nature of light and color perception.

729Which was the first full-length cel-animated feature film, released in 1937?
Explanation

Snow White and the Seven Dwarfs, released by Walt Disney Studios in 1937, was the first full-length cel-animated feature film, a groundbreaking and financially risky project at the time that many in Hollywood skeptically nicknamed Disney's Folly before its release. Its enormous critical and commercial success proved that animated films could sustain a full feature-length narrative and established Disney as a dominant force in animation. Bambi, Fantasia and Pinocchio are tempting distractors, as each is another early and celebrated Disney animated feature, though all were released a few years after Snow White. The film's success laid the essential groundwork for Disney's decades-long dominance of feature animation.

730Which 1927 film is widely regarded as the first commercially successful “talking picture”?
Explanation

The Jazz Singer, released in 1927, is widely regarded as the first commercially successful talking picture, using a new synchronized sound technology called Vitaphone to feature both spoken dialogue and singing, a dramatic departure from the silent films that had dominated cinema up to that point. Its success rapidly accelerated Hollywood's widespread transition from silent films to talkies over the following few years. Metropolis, Wings and Sunrise are tempting distractors, as each was another significant and celebrated film from the same general era, with Wings notably winning the first-ever Academy Award for Best Picture. The Jazz Singer's success effectively marked the beginning of the end for the silent film era in mainstream American cinema.

No Comments

Leave a Reply

Recent Comments

No comments to show.