Step 1: Understanding perishable foods.
Perishable foods are food items that spoil quickly due to microbial activity, moisture, and temperature conditions. These foods require proper storage such as refrigeration to prevent spoilage.
Step 2: Evaluating the options.
(A) Lemon and citrus fruits: These fruits last longer compared to highly perishable foods and are considered semi-perishable.
(B) Milk and eggs: Correct. These foods spoil very quickly if not refrigerated and are classified as perishable foods.
(C) Cereals and dals: Incorrect. These are non-perishable foods and can be stored for long periods.
(D) Sugar and jaggery: Incorrect. These items have a long shelf life and do not spoil quickly.
Step 3: Conclusion.
Therefore, milk and eggs are examples of perishable foods.
Final Answer:} Milk and eggs.