How often should air filters be replaced in a vehicle?

Explanation: Air filters should be replaced every 15,000–30,000 km to ensure engine efficiency.

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Q: Which Mughal emperor built the Bibi Ka Maqbara?
Ans: Aurangzeb

Q: According to Charaka, which of the following is a Hetu of Kamala?
Ans: Pitta Prakopa

Q: How should a driver check the suspension system?
Ans: Inspect for leaks or wear

Q: Which lubricant is used in a vehicle’s universal joints?
Ans: Grease

Q: Which Indian state has the highest urban population?
Ans: Maharashtra

Q: Vascular and non-vascular are two groups of what kind of organism?
Ans: plants

Q: Where has a new species of cavefish been discovered?
Ans: Meghalaya

Q: What organelles do animal cells use to convert food into energy?
Ans: mitochondria

Q: What type of virus is the flu caused by?
Ans: influenza

Q: What causes shadows to form?
Ans: Blocking of light

Q: What was the main demand of the Quit India Movement?
Ans: Immediate British withdrawal

Q: Which organization started the Republic Day Camp-2025 successfully on January 10, 2025?
Ans: Indian Space Research Organization

Q: On June 5, 2024, a new species of blue ant has been discovered in which state?
Ans: Arunachal Pradesh

Q: Synonym for "courageous"
Ans: Brave

Q: What do you call nutrients that your body needs in fairly large amounts?
Ans: macronutrients