It’s asking to fine the thing that’s is considered a material. For example, the first question you underlined “baloncesto” which means basketball. The next one would be “perro” which means ball. The next one would be “casa” which means house and so on.
1. what do you want to see when we go to the theater?
2. where do we have to buy the entrance?
3. can you understand a movie in Spanish?
4. what do you want to see when we go to the museum?
5. what does the painter paint?
Mal means improper manner
The opposite of this is a happy manner which refers to Bene
So the opposite of "mal" is "bene"
