The word 'ton' may be a French noun that means tone. Or it may be a French possessive that means your. The verb 'est' is in the third person singular, and means [he/she/it] is.
I suppose you mean : quel est ton passe temps préféré ?It means: what is your favorite hobby?
how is your English class?
quel est ton animal préféré ? means what is your favorite animal.
your (boy)friend is ugly
Quelle est ton nationalite means 'What is your nationality'
This translates as: "what is your telephone number?" in French.
De quelle couleur est ton cahier de français means "what colour is your French notebook?" in English.
"Comment est ton école ?" means "how is your school?"
This translates as: "what is your telephone number?" in French.
'how is your brother' translates as "Comment est ton frère"
c'est quand ton anniversaire (familiar) or quand est ton anniversaire ? means when is your birthday in French. You answer by 'mon anniversaire est le ...'
quel est ton bon plan préféré sur Paris ? meanswhat is your favorite spot in Paris?what is your favorite thing to do in Paris?