There is no any specific question asked by the consular during F1 visa interview. But there are some general questions asked. The F1 visa interview questions may be related to any thing that concerns with you and your application. They may ask you about your studies, funds, sponsors, your chosen university, your destination of study or anything.

Some of the sample questions asked by the consular during interview are:
Why do you want to go abroad?
Why have you chosen this university?
Who will sponsor your education?
How will you pay for your stay in US?
Why you want to go to US?
Why don't you study this course at your own country?
Why have you chosen this course?
Who are there in your family?
Who earns in your family?
What do you know about course you've chosen?
What are your hobbies?
Do you intend to work in USA?
What do you know about your university?
What will you do after completion of your studies?
Does anybody from your family stay or study abroad?
How many years do you intend to stay in US?

These are only the sample questions asked during a visa interview by a consular. It is not necessarily required that you be asked any of these questions. However, prepare for these questions properly for F1 visa interview preparation.