What is a symptom of a faulty oxygen sensor?

Explanation: Poor fuel efficiency can indicate a faulty oxygen sensor.

Q: Who has become the theme country of the 30th Kolkata International Film Festival?
Ans: France

Q: Who launched the 'Nai Chetna' campaign against gender violence on November 30, 2024?
Ans: Shivraj Singh Chauhan

Q: On December 16, 2024, who unveiled India's first yoga policy to become a 'global yoga center'?
Ans: Uttarakhand

Q: What was the cumulative tariff rate on Chinese goods in March 2025?
Ans: 100%

Q: Which rivers form the Sundarbans Delta?
Ans: Ganga-Brahmaputra

Q: In which state was the endangered Mainland Sero recently spotted?
Ans: Assam

Q: Which country has signed an agreement with the US to buy F-16 fighter aircraft on June 16, 2024?
Ans: Turkey

Q: What is the second largest class of elements?
Ans: metalloids

Q: Who became Amazon's country manager in India?
Ans: Sameer Kumar

Q: On May 6, 2024, which country issued a new Rs. 100 note depicting Indian regions?
Ans: Nepal

Q: What analytical technique, using stained gel, can separate dna fragments or rna molecules and proteins?
Ans: gel electrophoresis

Q: Which modern vaccine prevents diphtheria?
Ans: DPT

Q: What is the most important element to life?
Ans: carbon

Q: Which of these is a source of heat energy?
Ans: Fire

Q: Which state has abolished the 'garbage tax'?
Ans: Andhra Pradesh