Polls can have multiple questions when worded correctly.

A typical poll would be
Do you have brown hair?
1. Yes
2. No
3. Sort of
4. choose not to answer : P

If you reword this then it be comes a multi-question.
What color are your eyes and hair?
1. Green with brown hair
2. Brown with brown hair
3. Black with brown hair
4. Blue with brown hair
5. Red (albino) with brown hair
6. Green with black hair
7. Brown with black hair
8. Black with black hair
9. Blue with black hair
10. Red (albino) with black hair
11. Green with red hair
12. Brown with red hair
13. Black with red hair
14. Blue with red hair
15. Red (albino) with red hair
16. Green with blonde hair
17. Brown with blonde hair
18. Black with blonde hair
19. Blue with blonde hair
20. Red (albino) with blonde hair
21. Green with white hair
22. Brown with white hair
23. Black with white hair
24. Blue with white hair
25. Red (albino) with white hair

the possibilities are limited by wording and how much the average person is willing to read to find the answer that applies to them.
GreyWolf