Multiple choice

Assertion (A) : Ferredoxin carries two electrons at a time. Reason (R) : The active site of ferredoxin consists of two iron atoms bound to two sulfur atoms

  1. Both A and R are individually true and R is the correct explanation of A

  2. Both A and R are individually true but R is not the correct explanation of A

  3. A is true but R is false

  4. A is false but R is true
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ferredoxin is an iron-sulfur protein that typically transfers one electron at a time, making Assertion (A) false. However, Reason (R) is true because its active site contains iron-sulfur clusters (such as 2Fe-2S centers). Therefore, A is false and R is true.

Keep practicing — related questions