general knowledge Online Quiz - 4845

Nitroglycerine is a powerful explosive used in mining, construction, and demolition. It is a highly unstable nitrate ester that detonates violently, though in medical applications (nitroglycerin tablets) it's used in very small doses to treat angina. The other options - Phosphorus Trichloride (a chemical reagent), Mercuric oxide (a mercury compound used in batteries), and Graphite (a form of carbon) - are not explosives. Nitroglycerine's explosive properties come from its rapid decomposition releasing large volumes of gas.

'The Audacity of Hope' was written by Barack Obama and published in 2006, before he became U.S. President. The book outlines his political vision and policy positions, expanding on themes from his 2004 Democratic National Convention speech. Al Gore wrote 'Earth in the Balance', Bill Clinton wrote 'My Life', and Nelson Mandela wrote 'Long Walk to Freedom'. The book was significant in establishing Obama's intellectual credentials before his presidential campaign.

China became the third country to land a probe on the Moon (after USA and USSR) with its Chang'e missions in the 2000s. India's Moon Impact Probe (MIP) was deployed in 2008 as part of the Chandrayaan-1 mission. The options Libya, Argentina, and Thailand have never landed probes on the Moon - they are not major spacefaring nations. Only a handful of countries (USA, USSR/Russia, China, Japan, India, and recently Israel) have achieved lunar missions.

Cuba earned this title because it was one of the world's largest sugar producers and exporters for much of the 20th century. The country's tropical climate and fertile soil made it ideal for sugarcane cultivation. Jamaica and Venezuela also produce sugar but never dominated global exports like Cuba did.

New York was originally called New Amsterdam when it was a Dutch colony established in 1624. The English captured the city in 1664 and renamed it New York in honor of the Duke of York. Option A is redundant and option B is factually incorrect.

The latissimus dorsi, commonly called 'lats,' are the large muscles on your back that give the torso a V-taper shape. When someone says they're 'working their lats,' they're targeting these back muscles through exercises like pull-ups, lat pulldowns, or rows. Chest, shoulders, and thighs are entirely different muscle groups.

Otto von Bismarck was the architect of German unification in 1871, serving as the first Chancellor of the German Empire. He used 'blood and iron' diplomacy to unite the German states. Hitler, Mussolini, and Stalin came much later and were not founders of modern Germany.

Thailand is historically known as the 'Land of White Elephant' because white elephants were considered sacred and highly prized in Thai culture. Kings would gift them to show favor. Myanmar, Nepal, and Bhutan have their own national symbols but are not associated with this title.

Digboi is located in Assam and is home to India's oldest operating oil refinery, established in 1901. It's in northeastern India. Arunachal Pradesh, Nagaland, and Mizoram are neighboring states but do not contain Digboi. Note the typo 'I' instead of 'If' in the question.

Rajaraja Chola I's birth name was Arulmozhi Varman before he ascended the throne. He ruled the Chola Empire from 985-1014 CE and expanded its influence across South India and Sri Lanka. Karikalan was an earlier Chola king, while Vandhiyan and Parthibendiran are not historically verified names for him.

Rajaraja Chola I ruled from 985 to 1014 CE, a period marked by unprecedented expansion of the Chola Empire. He conquered South India, Sri Lanka, and the Maldives. Option A represents his father's reign, while Option C is too early and Option D represents his son Rajendra's reign.

Ponniyin Selvan is Kalki Krishnamurthy's most famous historical novel that features Rajaraja Chola (Arulmozhi Varman) as the protagonist. Sivakamiyin Selvan and Parthiban Kanavu are also Kalki's novels but set in different Pallava periods.

Rajaraja Chola I was an exceptionally successful military commander who won numerous campaigns against the Pandyas, Cheras, and Sinhalese. The claim about being undefeated is widely cited in Tamil historical tradition, though comprehensive battlefield records are limited.

This Tamil song lyric is from the film Mouna Ragam (1986). The romantic duet 'Un Perai Mattum Thaan' was sung by S. P. Balasubrahmanyam and S. Janaki, picturized on the lead pair Surya and Jothika.

This Tamil song lyric is from the film Vettaiyaadu Vilaiyaadu (2006). The song 'Oru Vaanam Varaya' was sung by Bombay Jayashri and picturized on Kamal Haasan and Kiran Rathod.

This Tamil song lyric is from the film Thulluvadho Ilamai (2002). The song 'Nadapathellam Eluthia Padi' was picturized on Dhanush and Priyamani, directed by Kasthuri Raja.

This Tamil song lyric is from the film Kovil (2004). The romantic track 'Naan Kanavugalil Kandathillai' was picturized on Silambarasan and Gopika, with music by Harris Jayaraj.