General Knowledge

According to Islamic law, the iddat period for a woman after her husband's death is four months and ten days. This period is observed to ensure clarity regarding lineage and to allow for emotional and legal closure.

The boiling point of water is 212 degrees on the Fahrenheit scale. On the Celsius scale, it is 100 degrees, and on the Kelvin and Rankine scales, the values are different.

Kazuo Ishiguro is the author of the novel 'The Remains of the Day,' which won the Booker Prize in 1989. The other authors listed are well-known, but did not write this novel.

There are seven continents in the world: Africa, Antarctica, Asia, Australia, Europe, North America, and South America.

Earth's atmosphere is commonly divided into five main layers: the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

The Earth completes one full rotation around its axis in approximately 24 hours, which is equal to 1 day. This rotation causes the cycle of day and night.

Muhammad Bin Qasim built the first mosque in the Indian subcontinent in the province of Sindh after his conquest in 712 CE. Sindh was the region where he first entered and established Islamic rule.

The periodic table was devised by Dmitri Mendeleev in 1869. The other options are incorrect as they are years after the actual event.

Under the Abbasid dynasty, the ruler of a province was called an 'Emir.' The other titles listed either refer to different roles or did not exist in this context.

Apollo 11's lunar module, Eagle, landed on the Moon on July 20, 1969. This date is widely recognized as the day humans first set foot on the lunar surface.

Kim Jong-un is the current leader of North Korea, holding the titles of Supreme Leader and Chairman of the State Affairs Commission. North Korea does not officially use the title 'President' for its current leader, but Kim Jong-un is the de facto head of state.

Pakistan won the first Men's Hockey World Cup in 1971, which was held in Barcelona, Spain.

Islamabad is the capital city of Pakistan, while Karachi, Lahore, and Peshawar are other major cities in the country.

Ottawa is the capital city of Canada. While Toronto, Vancouver, and Montreal are major Canadian cities, Ottawa is the official seat of the federal government.

Quaid-e-Azam, also known as Muhammad Ali Jinnah, is widely recognized as the founder of Pakistan for his pivotal role in the creation of the country in 1947.

Australia is the smallest continent by area, covering about 8.6 million square kilometers, which is less than Europe, Antarctica, or South America.

Iskander Mirza became the first President of Pakistan in 1956 when the country became a republic. Liaquat Ali Khan was the first Prime Minister, not President.

'War and Peace' is a famous novel written by the Russian author Leo Tolstoy. None of the other authors listed wrote this book.

Japan is famously known as the 'Land of the Rising Sun' because its name in Japanese (Nihon or Nippon) means 'origin of the sun.'

The official currency of Saudi Arabia is the Saudi Riyal. The other options refer to currencies of different countries: Dinar (used in several Arab countries), Dirham (used in UAE and Morocco), and Dollar (used in the USA and other countries).

Ottawa is the capital city of Canada. While Toronto, Vancouver, and Montreal are major Canadian cities, only Ottawa serves as the nation's capital.

The chemical symbol 'O' stands for Oxygen. Osmium's symbol is 'Os', Gold's is 'Au', and Silver's is 'Ag'.

A zymometer is an instrument used to measure the progress or degree of fermentation, typically by measuring the amount of gas produced during the process.

J.K. Rowling is the author of the Harry Potter book series, which is a globally popular fantasy series. The other authors listed wrote different famous fantasy works.

Mohammad Reza Shah Pahlavi was the last Shah (king) of Iran, ruling from 1941 until the Iranian Revolution in 1979. The other options refer to earlier monarchs or are incorrect.