Question

Redox reaction in living organisms involves gain and loss of

• A. carbon atoms
• B. nitrogen atoms
• C. hydrogen atoms
• D.
  1. oxygen atoms

Answer 1

Answer: (C)

hydrogen atoms

An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species.
In the case of living organims, reactions that involve the transfer of hydrogen atoms are termed redox reactions.