You have to answer those yourself. See Schedule C for what you are filling out.
https://www.irs.gov/pub/irs-pdf/f1040sc.pdf
Qual Business Income put Yes
1099req? Did you pay anyone else over $600? If not say No
line g should be Yes you actively participated
line f accounting method is CASH
Principal Business Code -
Schedule C line B Business Code is a 6 digit number for your activity. Here are the IRS instructions for Schedule C. Business codes start on page 17. If you don't see one that fits put 999999.
http://www.irs.gov/pub/irs-pdf/i1040sc.pdf
