Let's find the odd word in each group:
- The odd word is zoo. The other words (concert hall, theme park, film) are forms of entertainment, while a zoo is a place with animals.
- The odd word is packet. The other words (corner, jar, bar) are typically found in a home.
- The odd word is greengrocer's. The other words (comedy, animated, action) are genres of film.
- The odd word is art gallery. The other words (jigsaw, stuffed animal, board game) are games.
- The odd word is square. The other words (chocolate, crisps, jam) are kinds of food.