General Studies

Christian Schonbein discovered ozone in 1839 while working with electrical equipment. He named it from the Greek word 'ozein' meaning 'to smell' because of its distinctive odor.

Jaldapara National Park is a wildlife sanctuary in Jalpaiguri district, West Bengal. It's famous for its one-horned rhinoceros population and was established in 1941.

Geophysics is the study of the Earth's physical properties and processes using physics principles. It includes studying earthquakes, magnetic fields, gravity, and the Earth's interior structure - not plants or tissue.

In boxing, a 'knock' refers to a knockout (KO) when a boxer is knocked down and cannot get up within the count of 10. It can also refer to the scoring system.

A salinometer measures the concentration of salt in a solution by measuring its density. It's commonly used in marine applications, boilers, and food processing to ensure proper salinity levels.

Raipur is the capital of Chhattisgarh, a state in central India formed in 2000. The other options are capitals of different states - Patna (Bihar), Panaji (Goa), Ranchi (Jharkhand).

World Ozone Day is celebrated on September 16th to commemorate the signing of the Montreal Protocol in 1987. This international treaty aimed to protect the ozone layer by phasing out ozone-depleting substances.

The shamrock is Ireland's national emblem, a three-leaf clover used by St. Patrick to explain the Holy Trinity. White lily is associated with France (fleur-de-lis), lion is a symbol of multiple countries including England, and rose is the national flower of England and United States.

Lord Mountbatten was the last Viceroy of British India and became the first Governor-General of independent India in 1947. Warren Hastings was the first Governor-General of Fort William much earlier (1773-1785), and General Cariappa was the first Indian Commander-in-Chief of the Indian Army.

Jessica is a character from Shakespeare's 'The Merchant of Venice' (1596-1599), where she is Shylock's daughter who elopes with Lorenzo. Ian Fleming (note the spelling) created James Bond, not Jessica. The option has 'Fleaming' misspelled.

Beijing has been the capital of China since 1949, when the People's Republic of China was established. Ottawa is the capital of Canada (also misspelled as 'Qttawa'), Santiago is Chile's capital, and Tokyo is Japan's capital.

Sarojini Naidu was called the 'Nightingale of India' for her poetic contributions and role in the independence movement. 'Lady of the Lamp' refers to Florence Nightingale. 'Maiden Queen' was Elizabeth I of England's nickname.

The New Statesman (likely misspelled in the question as 'New Statement') is a British political and cultural magazine founded in London in 1913. It continues to be published from London.

Neil Armstrong was the first human to set foot on the Moon on July 20, 1969, during the Apollo 11 mission. Yuri Gagarin was the first human in space (1961), and Rakesh Sharma was the first Indian in space (1984).

PM stands for Post Meridiem (Latin for 'after noon'), used in the 12-hour clock system for times from noon (12:00 PM) to just before midnight (11:59 PM). AM stands for Ante Meridiem ('before noon').

Sunny Days is the autobiography of legendary Indian cricketer Sunil Gavaskar, covering his cricket career and achievements. Kapil Dev and Dilip Vengsarkar are also famous Indian cricketers but did not author this book.

The Yenisey River is the largest river system flowing to the Arctic Ocean, running entirely through Russia from its source in Mongolia. It is not in Australia, France, or any other country.

The Beighton Cup is one of the oldest field hockey tournaments in the world, started in 1895 in Kolkata, India. It is not associated with table tennis, weightlifting, or shooting.

The chemical symbol for oxygen is 'O', derived from its Latin name 'Oxygenium'. 'Ox' and 'Oy' are not valid chemical symbols for any element.

The West Chester Cup is traditionally associated with polo in England. It is a prestigious polo tournament, not connected to football or golf. The answer correctly identifies it as an English polo event.

When alkali metals react with water, they produce hydrogen gas along with metal hydroxide. The general reaction is: 2M + 2H2O → 2MOH + H2. This is a characteristic property of alkali metals like sodium, potassium, and lithium.

Ghana's currency is called the cedi. One cedi is divided into 100 pesewas. The currency has been Ghana's official money since 1965, with reintroduction after periods of using other currencies. France uses the Euro, Iceland uses the krona, and Italy uses the Euro.

The Simon Commission (also known as the Indian Statutory Commission) was announced in 1927 and arrived in India in 1928. It was formed to report on India's constitutional progress. The commission was boycotted by Indians because it had no Indian members, leading to widespread protests.