Hey there!
There isn't an exact answer for each one so I'll interpret what these mean in English and then give you some ideas for answers, but don't copy them exactly :).
1. What do you like to eat: steak or fish?
2. What does your mom prefer: coffee or lemonade?
3. What do you do to stay healthy?
4. What should you not eat to maintain your health?
5. Are apples good for your health?
Here are some answer ideas!
1. Prefiero comer el pescado porque es muy rico.
2. Mi mamá prefiera beber la limonada porque no le gusta el café.
3. Me encanta entrenarme, comer comidas sanas, y dormir mucho.
4. No debes comer mucho chocolate, papas fritas, y helado mucho.
5. Si, las manzanas son buenas para la salud porque son frutas y tienen vitaminas.
I hope that this helps! Enjoy your Spanish journey!