Step 1: Understanding the Concept:
Animal feeds are classified into different categories.
Each category has specific examples.
Step 2: Key Formula or Approach:
No specific formula.
Need to know feed classification.
Step 3: Detailed Explanation:
Productive type roughage: Legume fodder (A-III).
Non-maintenance type roughage: Wheat straw (B-I).
Energy rich concentrate feed: Maize grains (C-II).
Protein rich concentrate feed: Soybean meal (D-IV).
Thus, A-III, B-I, C-II, D-IV is the correct matching.
Step 4: Final Answer:
The correct matching is A-III, B-I, C-II, D-IV.
Hence, the correct option is (A).