True/False – GK Questions

The Caspian Sea is the largest lake in the world by surface area (371,000 sq km), though it is called a 'sea' due to its size and salinity. It is landlocked, bordered by five countries, and rich in oil and gas resources.

India is the largest producer of brinjal (eggplant) globally, contributing about 25% of world production. Major producing states are West Bengal, Odisha, and Bihar. Brinjal is a warm-season vegetable rich in antioxidants.

India has the third-largest railway network in the world after USA and China, spanning over 68,000 km. Indian Railways is a major employer and critical for passenger and freight transport. It operates under the Ministry of Railways.

The Bullen discontinuity, at about 5,150 km depth, marks the boundary between Earth's liquid outer core and solid inner core. It is named after seismologist Keith Bullen. This boundary is critical for understanding Earth's magnetic field generation.

The Mikir Hills (now called Karbi Anglong) are located in Assam, forming part of the Meghalaya Plateau extension. The region is rich in biodiversity and home to the Karbi tribe. It receives heavy rainfall from the Southwest Monsoon.

The Drake Passage is the body of water between South America's Cape Horn and the South Shetland Islands of Antarctica. It connects the Atlantic and Pacific Oceans and is known for rough seas. Named after English explorer Sir Francis Drake.

India is the largest producer of papaya globally, contributing about 40% of world production. Major producing states are Andhra Pradesh, Gujarat, and Karnataka. Papaya is rich in vitamins and enzymes, supporting nutrition and rural income.

India encompasses three biodiversity hotspots: the Himalayas, Western Ghats-Sri Lanka, and Indo-Burma. The Sundaland hotspot extends to the Nicobar Islands but is not primarily in India. These regions have high endemism and face conservation threats.

The Wiechert-Gutenberg discontinuity (commonly called Gutenberg discontinuity) at about 2,900 km depth marks the boundary between Earth's mantle and outer core. Named after seismologists Emil Wiechert and Beno Gutenberg.

The Rajmahal Hills are located in Jharkhand, formed by volcanic activity during the Jurassic period. They are part of the Chota Nagpur Plateau and are rich in coal and other minerals. The hills are named after the town of Rajmahal.

The Andes in South America is the longest continental mountain range in the world, stretching about 7,000 km along the western coast. It passes through seven countries and includes Aconcagua, the highest peak outside Asia.

India is the largest producer of okra (bhindi) globally, contributing about 60% of world production. Major producing states are Uttar Pradesh, Bihar, and Andhra Pradesh. Okra is a warm-season vegetable rich in fiber and vitamins.

India's standard meridian (82.5°E) passes through Mirzapur near Prayagraj in Uttar Pradesh. This longitude is used to define Indian Standard Time (IST), which is 5 hours 30 minutes ahead of GMT. A single time zone is used across India.

The Repetti discontinuity, at about 660 km depth, marks a boundary within the Earth's mantle separating the upper and lower mantle. It is characterized by changes in mineral structure due to increasing pressure. Named after seismologist L. Repetti.

The Garo, Khasi, and Jaintia Hills are part of the Meghalaya Plateau, which is an extension of the Peninsular Plateau, not the Eastern Himalayas. These hills receive some of the world's highest rainfall and are known for living root bridges.

The Great Barrier Reef is located off the northeastern coast of Queensland, Australia. It is the world's largest coral reef system (2,300 km long) and a UNESCO World Heritage Site. It faces threats from climate change and coral bleaching.

India is the largest producer of millets globally, contributing about 40% of world production. Major millets include jowar, bajra, and ragi. The UN declared 2023 as the International Year of Millets, recognizing India's leadership in millet cultivation.

The Deccan Traps are extensive volcanic rock formations in western and central India, formed by massive lava flows about 66 million years ago. They cover parts of Maharashtra, Karnataka, and Madhya Pradesh. The black soil of this region is derived from these traps.

Alluvial soil covers about 40% of India's land area, making it the most widespread soil type. It is found in the Indo-Gangetic plains, Brahmaputra Valley, and coastal regions. It is highly fertile and suitable for diverse crops.

The thermosphere (85-600 km altitude) is where most satellites orbit Earth, including the International Space Station. Temperatures rise sharply here due to absorption of solar radiation. The auroras (Northern/Southern Lights) also occur in this layer.