Insert Poll Inside Blog Post in Blogger Blogs : Video and step by step guide

Create poll in your layout and enter all the details
Next
Getting the Poll into the desired post
Find iFrame to iFrame of your poll in Page source
Copy it to post where it has to be placed
Next
Making the original sidebar poll invisible
Copy the below ID in EDIT HTML of layout above the BODY
#Poll8 {
display:none;
}
8 may be any number. Just find the poll ID as shown in the video. It is usually 1 if you are creating for the first time.