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The concept of zero and the decimal system were developed during the Gupta period.
- True
- False
Answer: True
Mathematicians like Aryabhata and Varahamihira flourished during the Gupta era. Aryabhata's work included place-value system and approximation of pi; zero's conceptualization advanced significantly. [[30]]
Ashoka embraced Buddhism after the Kalinga War.
- True
- False
Answer: True
The Kalinga War (261 BCE) caused massive casualties. Witnessing the suffering, Ashoka embraced Buddhism, renounced violence, and promoted Dhamma throughout his empire. [[1]]
The later Vedic period saw the emergence of the varna system.
- True
- False
Answer: True
While early Vedic society was relatively flexible, the later Vedic period (1000-600 BCE) saw rigidification of the four-fold varna system based on birth. [[1]]
The river Saraswati is most frequently mentioned in the Rigveda.
- True
- False
Answer: True
Saraswati is praised as the greatest and holiest river in Rigveda. Its identification with the modern Ghaggar-Hakra river system is debated by scholars. [[30]]
The script of the Indus Valley Civilization has been fully deciphered by archaeologists.
- True
- False
Answer: False
Despite numerous attempts, the Indus Valley script remains undeciphered due to the lack of bilingual texts and limited understanding of the language family. [[1]]
The Repetti discontinuity is named after an Italian seismologist.
- True
- False
Answer: True
The Repetti discontinuity is named after Italian-American seismologist Luigi Repetti. It marks a boundary within Earth's mantle at about 660 km depth, separating the upper and lower mantle based on mineral phase changes.
The Mizo Hills are located in Mizoram.
- True
- False
Answer: True
The Mizo Hills are located in Mizoram, forming part of the Patkai Range extension. They are covered by tropical evergreen forests and support diverse tribal communities. The hills receive heavy rainfall from the Southwest Monsoon.
The Dardanelles Strait connects the Sea of Marmara and the Aegean Sea.
- True
- False
Answer: True
The Dardanelles Strait connects the Sea of Marmara to the Aegean Sea (part of the Mediterranean). Together with the Bosphorus, it forms a strategic waterway between Europe and Asia. The strait was the site of the Gallipoli Campaign in WWI.
India is the largest producer of onions in the world.
- True
- False
Answer: True
India is the largest producer of onions globally, contributing about 25% of world production. Major producing states are Maharashtra, Karnataka, and Madhya Pradesh. Onions are a key vegetable crop with significant economic and political importance.
India has the largest youth population in the world.
- True
- False
Answer: True
India has the largest youth population (15-24 years) in the world, with over 250 million young people. This demographic dividend offers economic potential if supported by education, skills, and employment opportunities.
The Lehmann discontinuity is named after a female seismologist.
- True
- False
Answer: True
The Lehmann discontinuity is named after Danish seismologist Inge Lehmann, who discovered Earth's solid inner core in 1936. The discontinuity at about 5,150 km depth marks the boundary between the liquid outer core and solid inner core.
The Naga Hills are located on the India-Myanmar border.
- True
- False
Answer: True
The Naga Hills form part of the India-Myanmar border in Nagaland and Manipur. They are an extension of the Eastern Himalayas and part of the Indo-Burma biodiversity hotspot. The hills are home to diverse Naga tribes with rich cultural heritage.
The Bosphorus Strait connects the Black Sea and the Sea of Marmara.
- True
- False
Answer: True
The Bosphorus Strait connects the Black Sea to the Sea of Marmara, which then connects to the Mediterranean via the Dardanelles. It divides Istanbul into European and Asian sides. The strait is a critical maritime route and strategic chokepoint.
India is the largest producer of potatoes in the world.
- True
- False
Answer: False
China is the largest producer of potatoes globally, followed by India. India produces about 50 million tonnes annually, primarily in Uttar Pradesh, West Bengal, and Punjab. Potatoes are a key Rabi crop and food security crop.
India has the largest postal network in the world.
- True
- False
Answer: True
India has the largest postal network in the world with over 155,000 post offices, about 90% in rural areas. India Post provides mail, banking, and insurance services. The network plays a crucial role in financial inclusion and last-mile connectivity.
The Gutenberg discontinuity is named after the inventor of the printing press.
- True
- False
Answer: False
The Gutenberg discontinuity is named after seismologist Beno Gutenberg, not Johannes Gutenberg (printing press inventor). It marks the boundary between Earth's mantle and outer core at about 2,900 km depth.
The Patkai Hills are located on the India-Myanmar border.
- True
- False
Answer: True
The Patkai Hills form part of the India-Myanmar border in Arunachal Pradesh, Nagaland, and Manipur. They are an extension of the Eastern Himalayas and part of the Indo-Burma biodiversity hotspot. The hills are home to diverse tribal communities.
The Dead Sea is the lowest point on Earth's surface.
- True
- False
Answer: True
The Dead Sea shore is the lowest point on Earth's land surface at about 430 meters below sea level. Located between Jordan and Israel, its high salinity (34%) prevents most life forms. The sea is shrinking due to water diversion from the Jordan River.
India is the largest producer of tomatoes in the world.
- True
- False
Answer: True
India is the largest producer of tomatoes globally, contributing about 12% of world production. Major producing states are Andhra Pradesh, Karnataka, and Odisha. Tomatoes are a key vegetable crop used in cooking and processed foods.
India has the second-largest road network in the world.
- True
- False
Answer: True
India has the second-largest road network in the world after the USA, spanning over 6.3 million km. The network includes national highways, state highways, and rural roads. The Pradhan Mantri Gram Sadak Yojana aims to connect all villages.