Step 1: Understanding the Concept:
Sterilization confirmation requires specific tests.
Different tests are used for different purposes.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the tests for sterilization.
Step 3: Detailed Explanation:
Turbidity test is used for confirmation of sterilization.
It checks for the presence of microorganisms.
Phosphatase test is for pasteurization.
Hot Iron Test is for milk fat.
COB Test is for cheese quality.
Thus, turbidity test confirms sterilization.
Step 4: Final Answer:
The common test for sterilization confirmation is the Turbidity Test.
Hence, the correct option is (D).