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The Conrad discontinuity is within the continental crust.
- True
- False
Answer: True
The Conrad discontinuity is a boundary within the continental crust separating the upper granitic layer from the lower basaltic layer. It is not as globally consistent as the Moho. Named after seismologist Victor Conrad.
Which Indian state is the largest producer of pineapple?
- Kerala
- Assam
- West Bengal
- Tripura
Answer: Assam
Assam is the largest producer of pineapple in India, contributing about 30% of national production. Pineapple is grown in the Brahmaputra Valley's humid climate. India is among the top global pineapple producers, with Kerala and Karnataka also significant.
The _______ is the largest city in India by population.
- Delhi
- Mumbai
- Bangalore
- Kolkata
Answer: Mumbai
Mumbai is the largest city in India by population within city limits (over 12 million), though the Delhi metropolitan area is larger. Mumbai is India's financial capital, home to Bollywood, and a major port on the Arabian Sea.
Which river is known as the 'Old Man River'?
- Mississippi
- Amazon
- Nile
- Danube
Answer: Mississippi
The Mississippi River is nicknamed 'Old Man River' in American culture, popularized by the song from the musical Show Boat. The river's slow, meandering flow and historical significance in American development inspired the epithet.
The Pir Panjal Range is part of the Lesser Himalayas.
- True
- False
Answer: True
The Pir Panjal Range is part of the Lesser Himalayas (Middle Himalayas) in Jammu and Kashmir and Himachal Pradesh. It includes the famous Banihal Pass and Jawahar Tunnel. The range separates the Jammu region from the Kashmir Valley.
Which sanctuary is famous for the Indian roller bird?
- Keoladeo Ghana
- Ranthambore
- Bharatpur
- All of these
Answer: Keoladeo Ghana
Keoladeo Ghana National Park (Bharatpur Bird Sanctuary) in Rajasthan is famous for the Indian roller and over 370 bird species. It is a UNESCO World Heritage Site and a critical wintering ground for migratory birds from Central Asia.
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 factor causes 'Mango Showers' in South India?
- Northeast Monsoon
- Pre-monsoon thunderstorms
- Western Disturbances
- Cyclonic storms
Answer: Pre-monsoon thunderstorms
Mango Showers are pre-monsoon thunderstorms in Kerala and Karnataka during March-April. They help in early ripening of mangoes and reduce summer heat. These showers are caused by convective activity and moisture from the Arabian Sea.
The Strait of Hormuz connects the Persian Gulf and the Gulf of Oman.
- True
- False
Answer: True
The Strait of Hormuz connects the Persian Gulf to the Gulf of Oman and the Arabian Sea. It is a critical chokepoint for global oil trade, with about 20% of the world's oil passing through. It lies between Iran and Oman/UAE.
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.
Which is the capital of Norway?
- Stockholm
- Oslo
- Copenhagen
- Helsinki
Answer: Oslo
Oslo is the capital and largest city of Norway, located at the head of the Oslofjord. It is known for its green spaces, museums (Viking Ship Museum), and as a hub for maritime industries. Oslo hosted the 1952 Winter Olympics.
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.
Which process forms a 'U-shaped valley'?
- River erosion
- Glacial erosion
- Wind erosion
- Coastal erosion
Answer: Glacial erosion
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.
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.
India has three biodiversity hotspots: Himalayas, Western Ghats, and Indo-Burma.
- True
- False
Answer: True
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.
Which river is known as the 'Lifeline of Chhattisgarh'?
- Mahanadi
- Indravati
- Hasdeo
- Sheonath
Answer: Mahanadi
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.
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.
Which is the capital of Sweden?
- Oslo
- Stockholm
- Copenhagen
- Helsinki
Answer: Stockholm
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).