General Knowledge

The Euro is the official currency used by many member states of the European Union, collectively known as the Eurozone. It was introduced to facilitate easier trade and economic stability across Europe. It is one of the most traded currencies in the world.

The Western Railway zone of the Indian Railways is headquartered at Churchgate in Mumbai. It is one of the busiest railway networks in India, serving the western and north-western parts of the country. Mumbai also serves as the headquarters for the Central Railway zone.

One metric tonne is exactly equal to 1000 kilograms. This is a standard unit of mass in the metric system used globally for heavy loads. Other options like 100 kg (a quintal) or 1 million kg are incorrect conversions.

A keyboard is an input device used to send data to a computer, but it does not have the capacity to store data permanently or temporarily for user retrieval. Hard disks, floppy diskettes, and CDs are all storage media designed to hold digital information. Therefore, the keyboard is the only non-storage device in the list.

RAM (Random Access Memory) and ROM (Read-Only Memory) are types of computer memory. RAM is volatile and used for temporary data storage while the computer is running, whereas ROM is non-volatile and stores permanent instructions. They are fundamental components of a computer's architecture for handling data processing.

Approximately 71% of the Earth's surface is covered by water, primarily in the form of oceans. The remaining 29% consists of continents and islands. This high percentage of water is why Earth is often referred to as the 'Blue Planet'.

The slogan 'Jai Jawan, Jai Kisan' (Hail the Soldier, Hail the Farmer) was given by Lal Bahadur Shastri, the second Prime Minister of India. He coined it in 1965 during the Indo-Pak war to emphasize the importance of both national defense and food self-sufficiency. It remains one of the most famous slogans in Indian history.

The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south. It covers about one-third of the Earth's total surface area, making it larger than all of Earth's landmasses combined.

Organic manure is a natural fertilizer derived from animal wastes or plant residues and is generally beneficial for soil health rather than a cause of serious pollution. In contrast, vehicular exhaust, chemical fertilizers, and plastic garbage are major contributors to air, water, and land pollution. Organic farming practices actually help reduce environmental degradation.

In the context of this 2007-era exam, Pratibha Patil was the President of India, serving from 2007 to 2012. She was the first woman to hold this office. While the current President is Droupadi Murmu, the question reflects the historical period of the provided dataset.

A carnivore is an organism that mostly eats meat or the flesh of animals. This distinguishes them from herbivores, which eat plants, and omnivores, which eat both. Examples include lions, tigers, and wolves.

A millennium is a period of 1000 years. In contrast, a century is 100 years, and a decade is 10 years. The term is derived from the Latin words 'mille' (thousand) and 'annus' (year).

UNICEF (United Nations International Children's Emergency Fund) is a UN agency responsible for providing humanitarian and developmental aid to children worldwide. While other agencies like FAO focus on food or UNESCO on culture, UNICEF's primary mandate is the welfare and rights of children. It operates in over 190 countries and territories.

Lava is molten rock (magma) that has been expelled from the interior of a terrestrial planet or a moon onto its surface. Once it cools and solidifies, it forms igneous rock. It is distinct from 'larva', which refers to an insect's developmental stage.

The Ajanta Caves are a series of approximately 30 rock-cut Buddhist cave monuments located in the Aurangabad district of Maharashtra, India. They date from the 2nd century BCE to about 480 CE and are famous for their exquisite paintings and sculptures. They are recognized as a UNESCO World Heritage site.

A flute is a wind instrument because it produces sound by the flow of air across an opening. In contrast, drums are percussion instruments, while violins and guitars are string instruments. Wind instruments require the player's breath or a mechanical air supply to create vibrations.

Jantar Mantar is an equinoctial sundial and observatory built by Maharaja Jai Singh II. While there are five such observatories in India, the one in Delhi is one of the most well-known and centrally located. The site consists of 13 architectural astronomy instruments used to compile astronomical tables.

Genetics is the branch of biology that studies genes, genetic variation, and heredity in organisms. It explains how traits are passed from parents to offspring through DNA. Neurology deals with the nervous system, while ecology focuses on organisms and their environment.

Binoculars are optical instruments consisting of two similar telescopes mounted side-by-side, allowing the viewer to use both eyes to see distant objects. This provides a magnified view and better depth perception than a single-lens telescope. Microscopes are used for small, near objects, and video is a recording medium.

AIDS (Acquired Immunodeficiency Syndrome) is a chronic, potentially life-threatening condition caused by HIV.

Biology is the scientific study of life and living organisms, including plants and animals.

Pokhran is famous as the site of India's underground nuclear tests conducted in 1974 and 1998.

A website is a collection of web pages and related content that is identified by a common domain name and published on at least one web server.

The six official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish. Hindi is not an official language.

Scooby-Doo is a famous cartoon character depicted as a Great Dane, which is a breed of dog. The show follows his adventures solving mysteries with his human friends.