Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Nutrition and Nutrients medium · 45s
Which nutrient class includes enzymes’ coenzymes riboflavin and niacin?
TopicNutrition and Nutrients
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Riboflavin (B₂) and niacin (B₃) form FAD and NAD coenzymes respectively, essential in redox reactions in metabolism. Deficiencies impair energy production and cause mucocutaneous and neurological symptoms.
Final Answer: Option B - B vitamins