What is the main cause of water pollution in India?

Explanation: Industrial effluents are a major cause of water pollution in Indian rivers.

Q: What is the study of ancient cultures called?
Ans: Archaeology

Q: Which medal has Chirag Chikkara won in the Under-20 World Wrestling Championship on October 29, 2024?
Ans: Gold

Q: What was the purpose of the Dandi Salt March?
Ans: Protest British salt tax

Q: In a position-time graph, what does the slope of the line represent?
Ans: velocity

Q: Which Harappan artifact is a bronze figurine?
Ans: Dancing Girl

Q: Speciation is usually due to a single instance of what?
Ans: mutation

Q: The rising and sinking of warm and cooler material is called what?
Ans: convection

Q: Who released the book 'Mere Papa Paramveer' based on Abdul Hamid on July 4, 2024?
Ans: Mohan Bhagwat

Q: Who has secured the first position in the 'State Food Security Index 2024'?
Ans: Kerala

Q: According to Charaka, which is a Hetu of Shwasa?
Ans: Ati Shita Ahara

Q: In Charaka Samhita, which Chikitsa is indicated for Vataja Shoola?
Ans: Anuvasana Basti

Q: What was the NFIB small business optimism index trend in February 2025?
Ans: Not specified

Q: What is the state of matter that has a definite shape and volume?
Ans: Solid

Q: What was the expected impact of Trump’s tariffs on U.S. exports in 2025?
Ans: Decrease

Q: When is Bihar Diwas celebrated?
Ans: March 22