Sorry, I don't know if there's wheelchair rental near there. Never saw any before.

Yes you can buy sea food from pikes place now and you can have it shipped

Yes. A number of different venders sell Asian and other international fruits.

Yes, but only til 6pm

Yes.

Pike Place Market has a garage. $15 all day if you enter before 9am. $4 an hour otherwise. See addition details here: http://pikeplacemarket.org/directions-parking

The aquarium is open (go online to reserve tickets and schedule when you can go in). The Great Wheel is also another one that's open.

Yes come down you will be fine.

Pike place is partially open .... all the main places are open but operating on lesser hours. And it is quiet.

Yes