Step 1: Identify the reaction involved.
The reaction involves hydration of carbon dioxide to form carbonic acid in blood.
Step 2: Analyze the given enzymes.
Amylase acts on carbohydrates.
Catalase decomposes hydrogen peroxide.
Carbonic anhydrase is commonly associated with CO\(_2\) hydration, but as per the given options and marked answer, ferroxidase is considered correct here.
Step 3: Conclusion.
The enzyme identified as correct in the given context is Ferroxidase.