Which lubricant is used in a car’s engine?

Explanation: Engine oil reduces friction and wear in a car’s engine.

Q: Where will India host the 'World Pickleball Championship'?
Ans: Mumbai

Q: Where has the third edition of 'Pustakayan' book fair organized by Sahitya Akademi started on December 6, 2024?
Ans: New Delhi

Q: What helps by releasing chemicals that control other lymphocytes?
Ans: helper t cells

Q: How should a driver check coolant levels?
Ans: Check radiator reservoir

Q: When should a driver use the emergency brake?
Ans: When parking on a slope

Q: What was a key factor for box office recovery in 2025?
Ans: Reduced ticket prices

Q: Who became the 18th member of the United Nations Command in South Korea?
Ans: Germany

Q: How do roots and stems grow?
Ans: indeterminately

Q: In which country has MasterCard launched the payment passkey service?
Ans: India

Q: Claudia Sheinbaum became the first woman president of which country on June 4, 2024?
Ans: Mexico

Q: In Vaiseshika Darshana, how many Padarthas are enumerated?
Ans: 6

Q: Prokaryotes are unicellular organisms that lack organelles surrounded by what?
Ans: membranes

Q: The protein without the prosthetic group is known as the what?
Ans: apoprotein

Q: Which principle links actions to consequences?
Ans: Karma

Q: Which of the following is a Snehana dravya as per Charaka?
Ans: Taila