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The _______ is the largest island country in the world.
- Madagascar
- Indonesia
- Japan
- Philippines
Answer: Indonesia
Indonesia is the largest island country in the world by both area and population, comprising over 17,000 islands. It spans the equator in Southeast Asia and is the world's fourth-most populous country with over 270 million people.
Which is India's first floating solar power project?
- Kerala
- Telangana
- West Bengal
- Gujarat
Answer: Kerala
India's first floating solar power project was commissioned in Kerala at the Banasura Sagar Dam reservoir in Wayanad (2019). Floating solar panels reduce water evaporation and land use. India aims to install 10 GW of floating solar by 2030.
The _______ is the largest national park in the Andaman Islands.
- Campbell Bay
- Galathea
- Saddle Peak
- Mahatma Gandhi Marine
Answer: Campbell Bay
Campbell Bay National Park in Great Nicobar Island is the largest national park in the Andaman and Nicobar Islands (426 sq km). It is part of the Great Nicobar Biosphere Reserve and home to endemic species like the Nicobar megapode and giant robber crab.
India is the largest producer of cauliflower in the world.
- True
- False
Answer: True
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.
The _______ crop is known as the 'Camel Crop' due to drought tolerance.
- Jowar
- Bajra
- Ragi
- Maize
Answer: Bajra
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.
Which is the world's largest freshwater lake by volume?
- Lake Superior
- Lake Baikal
- Lake Victoria
- Lake Tanganyika
Answer: Lake Baikal
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.
The _______ is the largest artificial lake in South India.
- Nagarjuna Sagar
- Krishna Raja Sagar
- Osman Sagar
- Hussain Sagar
Answer: Nagarjuna Sagar
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.
The Lehmann discontinuity is within the Earth's inner core.
- True
- False
Answer: True
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.
Which Indian state is the largest producer of coconut?
- Kerala
- Karnataka
- Tamil Nadu
- Andhra Pradesh
Answer: Kerala
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.
Which river is known as the 'Father of Waters'?
- Amazon
- Mississippi
- Nile
- Yangtze
Answer: Mississippi
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 separates North and South India.
- True
- False
Answer: True
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.
Which sanctuary is famous for the blackbuck?
- Velavadar
- Little Rann of Kutch
- Desert National Park
- Tal Chhapar
Answer: Velavadar
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 _______ is the largest desert in Asia.
- Thar Desert
- Gobi Desert
- Arabian Desert
- Taklamakan Desert
Answer: Arabian Desert
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.
Which is India's first commercial tidal power project location?
- Gulf of Khambhat
- Gulf of Kutch
- Sundarbans
- Palk Strait
Answer: Gulf of Kutch
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.
The _______ is the largest national park in Northeast India.
- Nameri
- Dibru-Saikhowa
- Namdapha
- Kaziranga
Answer: Namdapha
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.
India is the largest producer of turmeric in the world.
- True
- False
Answer: True
India is the largest producer, consumer, and exporter of turmeric globally, contributing about 80% of world production. Major turmeric-growing states are Telangana, Andhra Pradesh, and Tamil Nadu. Turmeric is valued for its medicinal and culinary properties.
The _______ crop is known as the 'Poor Man's Meat'.
- Pulses
- Millets
- Oilseeds
- Vegetables
Answer: Pulses
Pulses are known as the 'Poor Man's Meat' due to their high protein content and affordability. They are a staple in vegetarian diets across India. Major pulses include chickpea, pigeon pea, lentil, and mung bean.
Which is the world's largest coral atoll?
- Maldives
- Rangiroa
- Kiritimati
- Aldabra
Answer: Kiritimati
Kiritimati (Christmas Island) in Kiribati is the world's largest coral atoll by land area (388 sq km). Located in the central Pacific, it is a critical habitat for seabirds and marine life. The atoll is vulnerable to sea-level rise.
The _______ is the largest hill station in South India.
- Ooty
- Kodaikanal
- Munnar
- Coonoor
Answer: Ooty
Ooty (Udhagamandalam) in Tamil Nadu is one of the largest and most popular hill stations in South India, located in the Nilgiri Hills at 2,240 meters. It is known for tea gardens, botanical gardens, and the Nilgiri Mountain Railway (UNESCO site).
The Ring of Fire is associated with volcanic and seismic activity.
- True
- False
Answer: True
The Pacific Ring of Fire is a horseshoe-shaped zone around the Pacific Ocean characterized by frequent earthquakes and volcanic eruptions. It results from tectonic plate boundaries. About 90% of earthquakes and 75% of active volcanoes occur here.