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Which non-metal is essential for respiration in living organisms? (2020)

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Question: Which non-metal is essential for respiration in living organisms? (2020)

Options:

  1. Oxygen
  2. Nitrogen
  3. Carbon
  4. Hydrogen

Correct Answer: Oxygen

Exam Year: 2020

Solution: 

Oxygen is essential for respiration as it is used by organisms to convert food into energy.

Which non-metal is essential for respiration in living organisms? (2020)

Practice Questions

Q1
Which non-metal is essential for respiration in living organisms? (2020)
  1. Oxygen
  2. Nitrogen
  3. Carbon
  4. Hydrogen

Questions & Step-by-Step Solutions

Which non-metal is essential for respiration in living organisms? (2020)
  • Step 1: Understand what respiration means. Respiration is the process by which living organisms convert food into energy.
  • Step 2: Identify the role of oxygen in respiration. Oxygen is a gas that helps in breaking down food to release energy.
  • Step 3: Recognize that oxygen is a non-metal. It is not a metal and is essential for the respiration process.
  • Step 4: Conclude that oxygen is the non-metal needed for respiration in living organisms.
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