Questions of the way to throw away rubbish

I made some questions to ask students with my presentation member in the speaking class. Now I want to write these questions.

(1)Do you throw away rubbish at the appointed place?
Yes/No
(2a)If you say yes, what do you think about person who can't separate rubbish according to type?
a. They have to do that!
b. It doesn't matter.
c. It makes me angry.
d. Other.
(2b) If you say no, why can't you separate rubbish according to type?
a. It's too much trouble.
b. Somebody should do that instead of me.
c. I don't know where to throw it away.
d. Other.
(3) Have you ever thrown away rubbish in this University?
Yes/No
(3a) Can you throw away rubbish regardless of people?
Yes/No
(4) What do you do when there is no trash box close to you?
a. Look for a trash box and throw away.
b. Throw away at your house.
c. Throw it away there.
d. Other.
(5) What do you think about separating rubbish in great detail?
a. Troublesome.
b. Good for environment.
c. Do that, but think it has no meaning.
d. Other.
(6) Do you think there are enough trash boxes at this University?
Yes/No
(6a) At which places you want to the University to set up new trash boxes?
(7) What should we do to decrease throwing away? (225 words)