The expected answers are:

(a)(i)Buffet service: It is a food service to entertain large number of guests.
Dishes are usually set out on the buffet table and guests serve themselves.

Note: Key words to look for are underlined

(ii)Guidelines for Buffet Service

-Provide variety of foods and drinks for guests.
-Provide enough comfortable chairs and side stools or tables for guests.
-Arrange tables attractively
-Provide enough plates and cutlery appropriate for the service.
-Place everything within easy reach of the guests.
-Provide enough space for guests to walk round to help themselves and sit where they like;
-Provide soft background music;
-Provide sufficient quantity of foods and drinks for guests

(b)Practices of Good Manners

-Sit upright at the dinning table. Do not lean on the table;
-Do not hurry over meal, eat slowly;
-Do not put too much food into the mouth at a time;
-Chew your food noiselessly;
-Do not talk with foods in the mouth
-Close the mouth while chewing food.
-Use the cutlery correctly.
-Do not pick teeth with finger nails. Use tooth pick decently.
-Do not stretch your hand over another person’s food