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The _______ is the largest lake in Africa.
- Lake Tanganyika
- Lake Victoria
- Lake Malawi
- Lake Chad
Answer: Lake Victoria
Lake Victoria is the largest lake in Africa by area (68,800 sq km) and the world's second-largest freshwater lake. It is shared by Tanzania, Uganda, and Kenya. The Nile River originates from Lake Victoria.
Which is India's largest geothermal power potential region?
- Himalayas
- Puga Valley (Ladakh)
- Cambay Basin
- Godavari Basin
Answer: Puga Valley (Ladakh)
Puga Valley in Ladakh has India's highest geothermal power potential due to hot springs and geothermal gradients. The Geological Survey of India has identified several geothermal provinces. Geothermal energy is renewable and emission-free.
The _______ is the largest mangrove forest after Sundarbans in India.
- Bhitarkanika
- Pichavaram
- Krishna-Godavari
- Baratang
Answer: Bhitarkanika
Bhitarkanika Mangroves in Odisha is the second-largest mangrove ecosystem in India after Sundarbans. It is a Ramsar site and home to saltwater crocodiles, olive ridley turtles, and migratory birds. The park covers about 672 sq km.
India is the largest producer of ginger in the world.
- True
- False
Answer: True
India is the largest producer of ginger globally, contributing about 40% of world production. Major ginger-growing states include Kerala, Karnataka, and Odisha. Ginger is used in food, medicine, and beverages.
The _______ crop is known as the 'Queen of Beverages'.
- Coffee
- Tea
- Cocoa
- Sugarcane
Answer: Tea
Tea is known as the 'Queen of Beverages' due to its global popularity and cultural significance. India is the second-largest tea producer after China. Major tea-growing regions include Assam, Darjeeling, and Nilgiris.
Which is the world's largest inland sea?
- Caspian Sea
- Black Sea
- Mediterranean Sea
- Red Sea
Answer: Caspian Sea
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).
The _______ is the largest freshwater lake in South India.
- Ooty Lake
- Kodaikanal Lake
- Vembanad Lake
- Loktak Lake
Answer: Vembanad Lake
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 separates the mantle and core.
- True
- False
Answer: True
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.
Which Indian state is the largest producer of silk?
- Karnataka
- Andhra Pradesh
- West Bengal
- Tamil Nadu
Answer: Karnataka
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.
Which river is known as the 'Danube of the East'?
- Mekong
- Irrawaddy
- Salween
- Chao Phraya
Answer: Mekong
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.
- True
- False
Answer: True
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.
Which type of forest is found in the Western Ghats?
- Tropical Evergreen
- Tropical Deciduous
- Thorn Forest
- Montane Forest
Answer: Tropical Evergreen
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 _______ is the largest peninsula in the world.
- Indian Peninsula
- Arabian Peninsula
- Iberian Peninsula
- Scandinavian Peninsula
Answer: Arabian Peninsula
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.
Which is India's first offshore oil field?
- Mumbai High
- Krishna-Godavari Basin
- Cauvery Basin
- Andaman Basin
Answer: Mumbai High
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 _______ is the largest coral reef system in India.
- Gulf of Mannar
- Andaman Reefs
- Lakshadweep Reefs
- Gulf of Kutch
Answer: Gulf of Mannar
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 of chickpeas (chana) in the world.
- True
- False
Answer: True
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 _______ River is known as the 'Dakshin Kaveri'.
- Penna
- Palar
- Vaigai
- Periyar
Answer: Penna
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.
Which country has the most UNESCO World Heritage Sites?
- China
- Italy
- France
- Spain
Answer: Italy
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.
Which sanctuary is famous for the endangered Pygmy Hog?
- Manas
- Kaziranga
- Nameri
- Pobitora
Answer: Manas
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 color from iron oxide.
- True
- False
Answer: True
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.