Step 1: Understanding starch applications.
- Starch is commonly used in food as a thickener (A), gelling agent (C), and bulking agent (D).
Step 2: Explanation of incorrect options.
- Shortening (B) is a process that involves fats or oils to prevent gluten formation, not starch.
Step 3: Selecting the correct option.
- Since starch is not used as a shortening agent, the correct answer is (B) Shortening agent.