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 acts as a cofactor for carboxylase enzymes in gluconeogenesis?
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.
Biotin (vitamin B₇) is a prosthetic group for pyruvate carboxylase and other carboxylases in gluconeogenesis, fatty acid synthesis, and amino acid catabolism. Deficiency causes dermatitis, alopecia, and neurological symptoms.
Final Answer: Option A - Biotin