What is the main component of air?

Explanation: Nitrogen makes up about 78% of the Earth’s atmosphere.

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Q: Which enzyme digests carbohydrates in saliva?
Ans: Amylase

Q: According to Charaka, which of the following is a Hetu of Kshaya?
Ans: Atikarshana

Q: Which country won the most medals at the Paris Paralympics 2024?
Ans: China

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

Q: Who has topped the ranking of the best countries of 2024?
Ans: Switzerland

Q: What was a key driver for streaming subscriber retention in 2025?
Ans: Lower prices

Q: When water freezes, it expands in volume as what is formed?
Ans: ice

Q: Which Bihar institution is famous for its archaeological museum?
Ans: Nalanda University

Q: Which of the following best defines a class?
Ans: Programming

Q: Who has been appointed as the United Nations Ambassador by the newly elected US President Donald Trump?
Ans: Elise Stefanik

Q: Protons and neutrons are located in which central part of the atom?
Ans: nucleus

Q: The hypothalamus in vertebrates integrates what two systems?
Ans: endocrine and nervous

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

Q: What was a key driver for the box office increase in 2025?
Ans: Fewer wide releases

Q: Who was the leader of Japan during World War II’s surrender?
Ans: Emperor Hirohito