General Knowledge

King Salman was the first Saudi king to officially visit Russia, marking a historic diplomatic event between the two countries.

The world's first fully 3D-printed e-bike, known as the NERA eBike, was developed by BigRep, a company headquartered in Germany. BigRep is a German company specializing in large-format 3D printing technology and has created the NERA eBike with fully 3D-printed components, including airless tires and rims. Therefore, the correct answer is Germany, not the USA.

Pakistan officially recognized Bangladesh in January 1974, following Bangladesh's independence in 1971 and subsequent diplomatic efforts to gain international recognition.

Nagorno-Karabakh is internationally recognized as part of Azerbaijan, despite the region's disputed status and conflicts involving ethnic Armenians. This is supported by United Nations resolutions and international law.

Minsk is the capital city of Belarus, making option A the correct answer. Latvia's capital is Riga, Ukraine's capital is Kyiv, and 'None' is incorrect.

World No-Tobacco Day is officially observed on May 31 every year to raise awareness about the harmful effects of tobacco use and to encourage quitting.

A standard badminton game is played to 21 points, where a player or team must win by at least 2 points. This is the official scoring system used in international badminton matches.

The Gevora Hotel in Dubai is currently recognized as the world's tallest hotel, standing at 356 meters (1,168 feet). This makes option B the correct answer, as the other hotels listed are shorter.

The term 'White Man's Grave' historically refers to parts of West Africa, particularly the coastal regions including Sierra Leone and Guinea, due to the high mortality rate among European colonizers from tropical diseases like malaria and yellow fever. Among the options given, Guinea is a West African country and is more accurately associated with this term than Haiti, Afghanistan, or Iraq. Haiti is in the Caribbean and not commonly referred to by this term. Therefore, the correct answer is D: Guinea.

The first space shuttle launched by the USA on April 12, 1981, was named Columbia. It was the first operational shuttle in NASA's fleet and marked the beginning of the Space Shuttle program.

Wilhelm Wundt is widely recognized as the father of Modern Psychology because he established the first psychology laboratory in 1879, marking psychology as an experimental and scientific discipline.

The first meeting of the Indian National Congress was held in 1885 in Calcutta (now Kolkata). Therefore, option A is correct.

The official currency of Belarus is the Belarusian Ruble, making option A the correct answer. The other options are currencies of different countries.

The Hong Kong-Zhuhai-Macau Bridge is approximately 55 kilometers long, making it the longest sea crossing bridge in the world. This length includes bridges, tunnels, and artificial islands connecting the three cities.

In international competitions, the official weight of the javelin used by female athletes is 600 grams, as specified by World Athletics regulations.

The white elephant is most famously associated with Thailand, where it is considered sacred and a symbol of royal power. White elephants are rare and culturally significant in Southeast Asia, particularly in Thailand.

DuckDuckGo is a well-known search engine focused on privacy. While AOL, Ask.com, and Excite have been internet portals or search engines in the past, DuckDuckGo is currently recognized primarily as a search engine. Among the options, DuckDuckGo is the most accurate and relevant answer.

France was the first country in the world to introduce a value-added tax (VAT), which is the model on which GST systems are based. The French VAT system was introduced in 1954 under the guidance of economist Maurice Lauré. Norway introduced VAT later in 1969, but France's system is recognized as the first modern VAT system. GST is a form of VAT used in some countries, but the concept originated with VAT in France.

Indonesia has the highest number of active volcanoes in the world due to its location on the Pacific Ring of Fire, which is a major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruptions occur.

UNHCR stands for United Nations High Commissioner for Refugees, which is the UN agency mandated to protect and support refugees worldwide.

The official currency of Panama is the Balboa, which is used alongside the US dollar. The other options are currencies of different countries: Peso (various countries), Kina (Papua New Guinea), and New Sol (Peru).

Bitcoin was created by an unknown person or group using the pseudonym Satoshi Nakamoto, who published the original Bitcoin whitepaper in 2008 and released the software in 2009.

P-waves, or primary waves, are a type of seismic wave generated by earthquakes. They are the fastest seismic waves and travel through the Earth's interior, making option A correct.

PVC stands for Polyvinyl Chloride, which is a widely used plastic polymer in the industry. The other options are incorrect chemical names that do not correspond to PVC.

The Zhuhai-Macau Bridge is currently the world's longest sea-crossing bridge, spanning approximately 55 kilometers. The other bridges listed are famous but are not sea bridges and are much shorter in length.