Geography – Medium Level – GK Questions

The Caspian Sea is the world's largest inland body of water (371,000 sq km), bordered by Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. Despite its name, it is a lake with saline water. It is rich in oil, gas, and sturgeon (caviar).

Vembanad Lake in Kerala is the largest freshwater lake in South India (about 203 sq km). It is part of the Kerala backwaters and a Ramsar site. The lake supports agriculture, fisheries, and tourism, including the famous Nehru Trophy Boat Race.

The Gutenberg discontinuity, at about 2,900 km depth, marks the boundary between Earth's mantle and outer core. It is characterized by a sudden drop in seismic wave velocity. Named after seismologist Beno Gutenberg.

Karnataka is the largest producer of silk in India, particularly Mulberry silk from Mysore. India is the second-largest silk producer globally after China. Sericulture provides livelihoods to rural communities, especially women.

The Mekong River is sometimes called the 'Danube of the East' due to its importance as a transboundary river in Southeast Asia. It flows through China, Myanmar, Laos, Thailand, Cambodia, and Vietnam, supporting agriculture and fisheries for millions.

The Malwa Plateau is located in central India, primarily in Madhya Pradesh and parts of Rajasthan. It is bounded by the Aravallis to the northwest and the Vindhyas to the south. The plateau is known for black soil and agriculture.

The Western Ghats feature Tropical Evergreen forests due to high rainfall (>200 cm annually). These forests remain green year-round and host high biodiversity including endemic species. They are a UNESCO World Heritage Site and biodiversity hotspot.

The Arabian Peninsula is the largest peninsula in the world, covering about 3.2 million sq km. It includes Saudi Arabia, Yemen, Oman, UAE, Qatar, Bahrain, and Kuwait. It is rich in oil reserves and has a predominantly desert climate.

Mumbai High (formerly Bombay High) is India's first and largest offshore oil field, discovered in 1974. Located in the Arabian Sea, it contributes about 40% of India's domestic oil production. It is operated by ONGC.

The Gulf of Mannar Marine National Park, between India and Sri Lanka, contains India's largest coral reef system. It is a UNESCO Biosphere Reserve with over 3,600 species. Coral reefs are threatened by warming seas and pollution.

India is the largest producer and consumer of chickpeas (chana), contributing about 70% of global production. Major producing states are Madhya Pradesh, Maharashtra, and Rajasthan. Chickpeas are a key Rabi pulse crop rich in protein.

The Penna River is sometimes called 'Dakshin Kaveri' due to its significance in South India. It originates in Karnataka and flows through Andhra Pradesh into the Bay of Bengal. However, this name is less commonly used than for the Godavari.

Italy has the most UNESCO World Heritage Sites (59 as of 2024), including the Colosseum, Venice, and the Amalfi Coast. China is second with 57 sites. UNESCO sites are recognized for their cultural, historical, or natural significance.

Manas National Park in Assam is a critical habitat for the critically endangered Pygmy Hog, the world's smallest wild pig. Conservation breeding programs have helped increase their numbers. Manas is also a UNESCO World Heritage Site.

Red soil gets its characteristic red color from iron oxide (ferric oxide) content. It is found in Tamil Nadu, Karnataka, Andhra Pradesh, and Odisha. Red soil is suitable for crops like millets, pulses, and oilseeds but is low in nitrogen and phosphorus.

Paradip Port in Odisha is a major port on the eastern coast, primarily handling iron ore, coal, and fertilizers. It is located at the mouth of the Mahanadi River. Paradip is one of India's youngest major ports, commissioned in 1966.

The mesosphere (50-85 km altitude) is the coldest atmospheric layer, with temperatures dropping to -90°C. Meteors burn up in this layer due to friction. Above it lies the thermosphere, where temperatures rise due to solar radiation absorption.

All three—Campbell Bay, Galathea, and Saddle Peak—are national parks in the Andaman and Nicobar Islands. Saddle Peak (North Andaman) is the oldest. These parks protect unique island biodiversity including endemic species.

Indonesia is the largest archipelago in the world, comprising over 17,000 islands. It spans about 5,120 km from east to west. Major islands include Java, Sumatra, Borneo (shared), Sulawesi, and Papua. Indonesia is located on the Pacific Ring of Fire.

The Sardar Sarovar Dam is built on the Narmada River in Gujarat. It is one of India's largest multipurpose projects, providing water and electricity to Gujarat, Madhya Pradesh, Maharashtra, and Rajasthan. The dam is 163 meters high.