There are six true question types. The seventh question type, "Heading text" is not a true question but can be used to create headings within the survey.
Respondents can select only one option from radio buttons as shown in the image below.

Respondents can select only one option from the dropdown list as shown in the image below.

Respondents can select more than one option by checking the relevant check boxes as shown in the image below.

Respondents can select more than one option by simultaneously pressing the Ctrl key on the keyboard and selecting options from the list with Left mouse clicks as shown in the image below.

Respondents can reorder answer options by selecting from the drop down list as shown in the image below.

Respondents can type a text response answer into the text box as shown in the image below.

Heading text can be used to create headings within a survey as shown by the arrow in the image below.
