Can you help me, please? I learning an object pronouns.

Is this Are these sentences written correctly?

Do you like football? Yes, I do.  I love it.
Do you like holidays? No, I don`t. I hate it. them (holidays - plural)
Do you like your sister? Yes, I do. I love her.
Do you like television? Yes, I do. I love it.
Do you like rock music? No, I don`t. I hate it. when you use "it" it refers to the genre.  If you use "them", it is understood and mean that you hate the pieces in this genre.
Do you like cats? No, I don`t. I hate them.
Do you like chocolate? Yes, I do. I love it. or them same reasoning as rock music.
Do you like mobile phones? Yes, I do. I love them.
Do you like computers? Yes, I do. I love them.
Do you like dogs? No, I don`t. I hate them.