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Which of the following is a non-renewable source of energy?

  1. hydro
  2. Sun
  3. Fossil fuel
  4. Wind

Answer (Detailed Solution Below)

Option 3 : Fossil fuel
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Detailed Solution

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CONCEPT:

  • Non-renewable sources of energy are those which are exhaustible and cannot be replaced, once they have been used.
  • They are also known as conventional sources of energy.
  • For example Oil, natural gas, coal, and nuclear energy.

EXPLANATION:

  • Fossil fuels are non-renewable sources of energy. Therefore option 3 is correct.
  • Hydro, the Sun, and wind are renewable sources of energy.
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Latest Army Havildar SAC Updates

Last updated on Jul 1, 2025

-> The Indian Army has released the Exam Date for Indian Army Havildar SAC (Surveyor Automated Cartographer).

->The Exam will be held on 9th July 2025.

-> Interested candidates had applied online from 13th March to 25th April 2025.

-> Candidates within the age of 25 years having specific education qualifications are eligible to apply for the exam.

-> The candidates must go through the Indian Army Havildar SAC Eligibility Criteria to know about the required qualification in detail. 

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