Which of the following words are interrogatives? you can pick more than one.
bosques
qué
cuándo
dónde
palermo
cómo
all of the above

In Spanish the interrogative words are used to initiate a question and request information about someone or something (although they are also used in exclamations).

The interrogative words are listed as follows:

-quién, quiénes (who)   is used to ask or request information about people.

-qué  (what) is used to ask about things.

-cuál, cuáles  (which) it is used to request information from a selection of a real or imaginary list.

-cuánto, cuántos; cuánta, cuántas (how many) they are used to ask about a quantity or quantities.

-cuándo (when) is used to ask about a moment in time.

-dónde (where) is used to ask about places.

-cómo (how) is used to ask questions like 'in what way' or 'how'

Hence, according to the explanation above, the right options are: