Geography – GK Questions

India is the largest producer of cauliflower globally, contributing about 35% of world production. Major producing states are Bihar, Uttar Pradesh, and West Bengal. Cauliflower is a cool-season crop grown mainly in Rabi season.

U-shaped valleys are formed by glacial erosion, where glaciers carve wide, steep-sided valleys with flat bottoms. In contrast, river erosion creates V-shaped valleys. U-shaped valleys are common in the Himalayas and Alps.

Bajra (pearl millet) is known as the 'Camel Crop' due to its high drought tolerance and ability to grow in poor soils with minimal water. It is a staple food in Rajasthan, Gujarat, and Haryana. Bajra is rich in iron, fiber, and protein.

Lake Baikal in Siberia, Russia, is the world's largest freshwater lake by volume (23,600 cu km), holding about 20% of Earth's unfrozen surface freshwater. It is also the deepest (1,642 m) and oldest (25 million years) lake.

India encompasses three of the world's 36 biodiversity hotspots: the Himalayas, Western Ghats-Sri Lanka, and Indo-Burma regions. These areas have high species richness and endemism but face significant habitat loss, requiring conservation priority.

The Mahanadi River is called the 'Lifeline of Chhattisgarh' as it provides water for irrigation, drinking, and industry. The river originates in Chhattisgarh and flows through Odisha. Major projects include the Mahanadi Reservoir and Hirakud Dam.

Nagarjuna Sagar Dam on the Krishna River, between Telangana and Andhra Pradesh, creates one of South India's largest artificial lakes. The multipurpose project provides irrigation and hydropower. It is named after the Buddhist scholar Nagarjuna.

Stockholm is the capital and largest city of Sweden, built on 14 islands where Lake Mälaren meets the Baltic Sea. It is known for its beauty, innovation, and as the home of the Nobel Prize ceremonies (except Peace Prize, awarded in Oslo).

The Lehmann discontinuity, at about 5,150 km depth, marks the boundary between Earth's liquid outer core and solid inner core. Named after seismologist Inge Lehmann, who discovered the inner core in 1936 through seismic wave analysis.

Kerala is the largest producer of coconut in India, contributing about 45% of national production. Coconut is a key plantation crop used for food, oil, coir, and handicrafts. India is among the top global coconut producers.

Bihar is the most densely populated state in India (1,106 persons per sq km as per 2011 Census), followed by West Bengal and Kerala. High population density poses challenges for resource management, infrastructure, and development.

The Mississippi River is called the 'Father of Waters' (from the Native American name 'Misi-ziibi'). It is the longest river in North America (3,766 km) and drains about 40% of the continental USA. It is vital for transport, agriculture, and ecology.

The Vindhya Range traditionally marks the boundary between North and South India. It runs east-west across central India, parallel to the Satpura Range. The Narmada River flows in the rift valley between these two ranges.

Velavadar National Park in Gujarat is famous for the blackbuck (Indian antelope). The park's grasslands support one of the largest populations of this endangered species. Blackbucks are protected under Schedule I of the Wildlife Protection Act.

The Arabian Desert is the largest desert in Asia, covering about 2.6 million sq km across the Arabian Peninsula. It includes the Rub' al Khali (Empty Quarter), the world's largest continuous sand desert. The region is rich in oil reserves.

Kal Baisakhi (Nor'westers) are violent evening thunderstorms in West Bengal and Assam during April-May. They bring heavy rain, lightning, and strong winds, providing relief from pre-monsoon heat. They are caused by local convection and moisture from the Bay of Bengal.

The Suez Canal is located in Egypt, connecting the Mediterranean Sea to the Red Sea. Opened in 1869, it is a vital shipping route that saves vessels from navigating around Africa. The canal was nationalized by Egypt in 1956.

The Gulf of Kutch in Gujarat has India's first commercial tidal power project potential. Tidal energy harnesses the rise and fall of sea levels. India has an estimated tidal power potential of 8 GW, primarily in Gujarat and West Bengal.

Namdapha National Park in Arunachal Pradesh is the largest national park in Northeast India (1,985 sq km). It is a biodiversity hotspot with tropical rainforests, home to rare species like the clouded leopard, hoolock gibbon, and Namdapha flying squirrel.

Athens is the capital and largest city of Greece, one of the world's oldest cities with recorded history spanning over 3,400 years. It is the birthplace of democracy, Western philosophy, and the Olympic Games. The Acropolis is a UNESCO World Heritage Site.