Concept:
Whey cheeses are produced from whey proteins remaining after casein coagulation.
Step 1: Ricotta cheese.
• Made from whey by heat coagulation
Step 2: Gjetost cheese.
• Made from whey by concentration and caramelization
Step 3: Mysore cheese.
• Also whey-based product
Step 4: Others.
• Feta and cream cheese are casein-based
Conclusion: A, B, C correct.