India’s first underwater metro was inaugurated in which city?

Explanation: Kolkata became the first city in India to operate an underwater metro.

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Q: Into how many basic regions can the aquatic biome be broken down?
Ans: two

Q: Organic compounds produced by what process provide the energy and building material for ecosystems?
Ans: photosynthesis

Q: What was the consumer confidence index in November 2024, per The Conference Board?
Ans: 111.7

Q: What type of pressure is the amount of force that is exerted by gases in the air surrounding any given surface?
Ans: atmospheric

Q: Which river originates in the Amarkantak Plateau?
Ans: Son

Q: Which barrage regulates the Ganga’s flow in Bihar?
Ans: Farakka Barrage

Q: Who won the title of 'Miss Pink Nepal 2024'?
Ans: Anmol Rai

Q: In Sushruta Samhita, which Karna Roga is classified as Asadhya?
Ans: Karnakshepa

Q: What are fungi which feed on living cells called?
Ans: symbiotic

Q: What do fungi lack which makes it impossible for them to use photosynthesis?
Ans: chlorophyll

Q: What percentage of Americans were concerned about stock market performance in April 2025?
Ans: 36%

Q: What is caused by the reaction of nonmetal oxides with water in the atmosphere?
Ans: acid rain

Q: On January 17, 2025, how many athletes will be honored with the Arjun Award 2025?
Ans: 32

Q: Color, taste, and melting point are examples of what kind of properties?
Ans: intensive properties

Q: Where was the 26th ASEAN-India Senior Officials Meeting conducted?
Ans: New Delhi