Can I apply for a patent for the questionnaire?

You can't. Belongs to the second paragraph of Article 25 of the Patent Law.

Patent law:

Article 25 No patent right shall be granted to the following projects:

(1) scientific discoveries;

(2) rules and methods of intellectual activities;

(3) Methods of diagnosis and treatment of diseases;

(4) Species of animals and plants;

(5) substances obtained by nuclear transformation;

(six) the design of the pattern, color or the combination of the two.

The production method of the products listed in Item (4) of the preceding paragraph may be granted a patent right in accordance with the provisions of this Law.