General Studies

According to the 2001 Census of India, the population density was 324 persons per square kilometer. This is a standard demographic fact from official Indian census data.

Rajasthan is the largest state in India by geographical area, covering approximately 342,239 square kilometers. It is located in northwestern India and is known for the Thar Desert. Uttar Pradesh has the largest population, but not the largest area.

The Atharva Veda is the fourth Veda and contains hymns, spells, and incantations for everyday life, including medicine and healing practices. It differs from the other three Vedas (Rig, Sama, Yajur) which focus more on rituals and sacrifices. The Atharva Veda includes practical knowledge about diseases, cures, and health.

Kala-azar, also known as visceral leishmaniasis, is caused by the protozoan parasite Leishmania donovani. It is transmitted through the bite of infected female sandflies (Phlebotomus species). The disease affects internal organs like spleen, liver, and bone marrow, and can be fatal if untreated.

The First Afghan War (1839-42) was fought during Lord Auckland's tenure as Governor-General of India. His policy led to British invasion of Afghanistan to install a friendly ruler.

Article 32 of the Indian Constitution guarantees the right to constitutional remedies, allowing citizens to move the Supreme Court for enforcement of fundamental rights. Dr. B.R. Ambedkar called it the 'heart and soul' of the Constitution. Article 32 empowers individuals to seek judicial remedy through writs like habeas corpus, mandamus, prohibition, quo warranto, and certiorari.

Muhammad bin Qasim invaded Sindh in 712 AD, marking the first Muslim invasion of the Indian subcontinent. He was a 17-year-old general sent by the Umayyad Caliphate to control the region. Raja Dahir was the Hindu ruler of Sindh at that time, who was defeated by this invasion.

Aryabhata, the renowned Indian astronomer and mathematician (476-550 AD), proposed that Earth rotates on its axis and that bodies gravitate toward Earth. In his work 'Aryabhatiya,' he discussed the concept of gravity centuries before Newton. Brahmagupta later formalized gravitational theory more explicitly in the 7th century.

The Ghadar Party was founded in 1913 by Lala Hardayal in San Francisco, USA. It was a revolutionary organization of Indians, primarily Punjabis, with the goal of liberating India from British rule through armed rebellion. The party published 'The Ghadar' newspaper and attempted to organize incursions into India during WWI.

Samudragupta (c. 335-380 AD), the great Gupta emperor, was depicted playing the veena on his gold coins. He was known as 'Vikramanka' and was a patron of arts and learning. His coinage showing him with the veena symbolizes his cultured nature and appreciation for music. Other Gupta rulers like Chandragupta I and II are not shown with musical instruments on coins.

Bhutan is known as the 'Land of the Thunderbolt' (Druk Yul in Dzongkha). The name comes from the powerful thunderstorms that frequently sweep through the Himalayan valleys. The local religion is Drukpa Kagyu Buddhism, and 'Druk' means dragon or thunderbolt. Bhutan's flag features the dragon thunderbolt symbol.

The Maori are the indigenous Polynesian people of New Zealand, arriving from East Polynesia around 1280 AD. They developed a distinct culture, language (te reo Maori), and society before European contact. Maori culture is integral to New Zealand's national identity, and the Treaty of Waitangi (1840) recognized their rights. They are not from Nigeria, Egypt, or Brazil.

Ramanuja (1017-1137 AD) was a Hindu theologian and philosopher who preached the philosophy of Vishishtadvaita (qualified non-dualism), emphasizing Bhakti (devotion) as the path to salvation. He taught that devotion to Lord Vishnu is the supreme means to attain moksha. Unlike other philosophical schools emphasizing knowledge (gyana) or ritual, Ramanuja's path centered on loving devotion to God.

Sun Yat-sen (also spelled as Sun yet sen) was the first president of the Republic of China, serving from 1912 after the overthrow of the Qing dynasty. He led the revolution that ended imperial rule in China and is considered the founding father of modern China.

ELISA (Enzyme-Linked Immunosorbent Assay) is a widely used diagnostic test for detecting antibodies to HIV, which causes AIDS. It's a serological test that identifies if a person's immune system has produced antibodies against the virus.

Rajendra Chola I (r. 1014-1044 CE) expanded the Chola empire to its greatest extent, conquering territories in Sri Lanka, the Maldives, and even reaching the Ganges river in North India. His naval expeditions to Southeast Asia also brought greater glory to the Chola dynasty. His father Rajaraja Chola I laid the foundation, but Rajendra I achieved the peak.

Land Development Banks in India are owned and controlled by State Governments. These banks provide long-term credit for agricultural activities like land development, farm mechanization, and minor irrigation. They are regulated by the Reserve Bank of India but owned by state governments.

Brahmagupta (598-668 CE) was the first mathematician to treat zero as a number and define its operations. In his work Brahmasphutasiddhanta (628 CE), he established rules for arithmetic with zero, including that zero multiplied by any number equals zero. Earlier mathematicians like Aryabhata used the place value system but Brahmagupta formalized zero as a number.

Nathula Pass is a major mountain pass located in the Himalayas at the Indo-China border near Tibet. It connects Sikkim (India) with Tibet (China) and was part of the ancient Silk Route. Nathula was reopened for trade in 2006 after being closed since the 1962 Sino-Indian war. The other options are also passes but not specifically the Tibet Himalayan road pass.

The Maasai (Masai) are a nomadic pastoralist tribe indigenous to East Africa, primarily living in Kenya and Tanzania. They are famous for their distinctive customs, dress, and warrior culture. They raise cattle, goats, and sheep, moving with their herds in search of grazing and water. Their traditional territory spans the Great Rift Valley region.

The Cauvery (Kaveri) river water dispute is primarily between Karnataka and Tamil Nadu. The dispute dates back to agreements made in 1892 and 1924 between the Madras Presidency and Mysore princely state. Tamil Nadu claims historical rights to the water for its delta agriculture, while Karnataka argues it needs more water for its growing cities and farms. The dispute has seen ongoing legal battles including Supreme Court interventions.

The Sardar Sarovar Project is a multi-purpose mega-dam built on the Narmada River in Gujarat. It provides irrigation, drinking water, and hydroelectric power to four states - Gujarat, Maharashtra, Madhya Pradesh, and Rajasthan. It is part of the Narmada Valley Project and is one of the largest dams in the world. The project has been controversial due to displacement and environmental concerns.

The Shore Temple is located at Mamallapuram (also known as Mahabalipuram) in Tamil Nadu, about 60 km south of Chennai. Built during the Pallava dynasty in the 8th century under Narasimhavarman II (Rajasimha), it is a UNESCO World Heritage Site. The temple is called Shore Temple because it overlooks the Bay of Bengal. Mamallapuram is famous for its rock-cut temples and cave sculptures.