How often should the air filter be replaced?

Explanation: The air filter should be replaced every 15,000–30,000 km for engine efficiency.

Q: In modern surgery, which condition is treated with a lobectomy?
Ans: Lung cancer

Q: An ECG shows complete heart block in a symptomatic patient. Which advanced procedure is indicated?
Ans: Permanent pacemaker insertion

Q: As per the information of January 7, 2025, what has been produced the most in the country till 2023-24?
Ans: Coal (893.191 million tonnes)

Q: What is the term for a country’s trade balance?
Ans: Balance of Trade

Q: Each hydrogen atom follows the octet rule with how many pairs of electrons?
Ans: one

Q: How often should a vehicle’s air filter be cleaned?
Ans: Every 5,000–10,000 km

Q: How often should engine oil be changed in a light vehicle?
Ans: Every 5,000–10,000 km

Q: Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland?
Ans: pituitary

Q: With whom has BEL signed an agreement for cooperation in quantum technology on April 16, 2024?
Ans: IT Mandi

Q: Why do birds build nests?
Ans: safe place

Q: What is the primary goal of the Ayushman Bharat scheme?
Ans: Health coverage

Q: Which country's 'TSTihon Hidankyo' Organization will be awarded the Nobel Peace Prize 2024?
Ans: Japan

Q: What type of response is generated when a stimulus is received by the nervous system?
Ans: a motor response

Q: What do you call materials that have low resistance to electric current?
Ans: electric conductors

Q: Which country won the Thomas and Uber Cup badminton title on May 6, 2024?
Ans: China