About how many years ago did our solar system begin?

Explanation: Our solar system began about 5 billion years ago. The Sun, planets and other solar system objects all formed at about the same time.

Q: What type of eclipse happens when a full moon moves through earth's shadow?
Ans: planetary

Q: What is the primary contributor to Bihar’s agricultural economy?
Ans: Rice

Q: Who won the Irani Cup on October 6, 2024?
Ans: Mumbai

Q: Who has received the world's first ISO 42001:2023 certification for AIMS?
Ans: Infosys

Q: The atmospheric concentration of carbon dioxide on earth has been regulated by the concentration of what form of life?
Ans: plant

Q: Which state’s Legislative Council is a permanent body?
Ans: Bihar

Q: Which area in a lake is likely to have more nutrients?
Ans: bottom

Q: How many railway stations in Uttar Pradesh have been renamed?
Ans: 8

Q: India and which country agreed to celebrate 2026 as the year of culture, tourism, and AI?
Ans: Spain

Q: According to Sharanghadhara, the Anupana for Kanchanara Guggulu in Gandamala is:
Ans: Triphala Kwatha

Q: What is the primary function of the esophagus in digestion?
Ans: Transport food

Q: What is the simplest life cycle?
Ans: haploid

Q: Who launched the "Humsafar Policy" in New Delhi?
Ans: Nitin Gadkari

Q: Which gas contributes most to the greenhouse effect?
Ans: Carbon dioxide

Q: What is the role of the water pump in a vehicle?
Ans: Circulates coolant