You can have multiple questions displayed in any order on the same page. You cannot randomize question blocks in Survey.
Randomize questions on a page
1. In the menu, go to "Questions" and "Questionnaire".
2. Put the questions you want to randomize on the same page by drag-and-drop them.
3. Click on the three dots next to the page (). The following screen opens:
4. Select "Show questions in random order" and "Save".
Once the questions are shown in random order, you can click on the pin to the left of the question text to give the question a fixed position. In this way, this question is always shown in the same place even when randomized.
For questions such as the single response question, you can show answers in any order. If you have selected this option, an extra column with answer options will appear . To show an answer in the same place, check the box next to this answer option.