Geography – Medium Level – GK Questions

The Godavari River, at 1,465 km, is the longest river in peninsular India. It originates in Maharashtra (Trimbakeshwar) and flows through Telangana, Andhra Pradesh, and Chhattisgarh before emptying into the Bay of Bengal. It is called 'Dakshin Ganga'.

The Earth's core is primarily composed of iron (about 85%) and nickel (about 10%), with lighter elements like sulfur and oxygen. The outer core is liquid, generating Earth's magnetic field through convection. The inner core is solid due to extreme pressure.

Gujarat is the largest producer of cotton in India, contributing about 30% of national production. Major cotton-growing regions include Saurashtra, Kutch, and North Gujarat. India is the largest cotton producer globally, with Gujarat and Maharashtra leading.

The Seine River flows through Paris, France. It is about 777 km long and empties into the English Channel at Le Havre. The Seine has been vital for trade and culture, with iconic landmarks like Notre-Dame and the Eiffel Tower along its banks.

The Cardamom Hills are part of the southern Western Ghats, located in Kerala and Tamil Nadu. They are named after the cardamom spice grown there. The hills are a UNESCO World Heritage Site and part of the Nilgiri Biosphere Reserve.

West Bengal has the largest area under mangrove forests in India, primarily in the Sundarbans. Mangroves are salt-tolerant trees that grow in coastal intertidal zones. They protect coastlines from erosion and provide habitat for diverse wildlife.

The Andes in South America is the longest continental mountain range in the world, stretching about 7,000 km along the western coast. It passes through seven countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.

Koyna Hydroelectric Project in Maharashtra is India's largest hydroelectric power station with an installed capacity of 1,960 MW. Located on the Koyna River, it has four stages of power generation. It is a pumped-storage project critical for grid stability.

Chilika Lake in Odisha is the largest saltwater lake (brackish water lagoon) in India, covering about 1,100 sq km. It is the largest coastal lagoon in India and the second-largest in the world. It is a Ramsar site and home to migratory birds and Irrawaddy dolphins.

India is the second-largest producer of wheat in the world after China, producing about 110 million tonnes annually. Major wheat-producing states are Uttar Pradesh, Punjab, Madhya Pradesh, and Haryana. Wheat is a staple Rabi crop in North India.

The Kosi River is known as the 'Sorrow of Bihar' due to its frequent flooding and course changes, causing widespread destruction. It originates in Nepal and joins the Ganga in Bihar. The Kosi Project aims to control floods and provide irrigation.

Canada has the longest coastline in the world at about 202,080 km, bordering the Pacific, Arctic, and Atlantic Oceans. Its extensive coastline includes numerous islands, fjords, and inlets. Indonesia has the second-longest coastline among island nations.

Desert National Park in Rajasthan is a critical habitat for the critically endangered Great Indian Bustard. The bird is one of the heaviest flying birds and is the state bird of Rajasthan. Conservation efforts are underway to prevent its extinction.

India is the largest producer of milk in the world, contributing about 24% of global production. This achievement is due to Operation Flood, which made India self-sufficient in milk production. India also leads in pulses, jute, and spices production.

Laterite soil is rich in iron and aluminum oxides, giving it a reddish color. It forms in hot, wet tropical areas with heavy rainfall that leaches silica. Found in Kerala, Karnataka, Tamil Nadu, and Odisha. It is suitable for plantation crops like tea, coffee, and cashew.

Mangalore Port (New Mangalore Port) is known as the 'Gateway of Karnataka'. It is the only major port in Karnataka and handles petroleum products, containers, and bulk cargo. It is located at Panambur, near Mangaluru.

The troposphere, the lowest layer of the atmosphere (up to 8-15 km), contains about 75-80% of the atmosphere's mass and almost all water vapor. All weather phenomena occur in this layer. Temperature decreases with altitude at about 6.5°C per km.

Silent Valley National Park in Kerala is part of the Nilgiri Biosphere Reserve, a UNESCO World Heritage Site. It is known for its tropical evergreen forests and endangered species like the Lion-tailed Macaque. The park was saved from a hydroelectric project in the 1980s.

The Sahara Desert in North Africa is the largest hot desert in the world, covering about 9.2 million sq km. It spans 11 countries including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia, and Western Sahara.

The Tehri Dam, one of the highest dams in India (260.5 m), is built on the Bhagirathi River in Uttarakhand. It is a multipurpose rock and earth-fill embankment dam providing irrigation, municipal water supply, and 1,000 MW of hydroelectric power.