Display only the questions in sharepoint survey webpart

1) Open the page in Sharepoint Designer.

2) Click on the Webpart Zone where you want to add the Webpart.

3) In Menu Click on Insert -> Sharepoint Controls -> List Form.

4) Select the survey in first Drop Down List and select New form radio button click ok.

Done.

Note:- If you dont want to navigate the pages to survey page after completing the survey. Add source Parameter to You query string in the URL.