New application- Form Filling help

hi,
i am just about to apply for Tier 1, i am in UK, i have decided to apply through post, plz help me with a quick question, while filling the form do i need to send whole 75 pages form or i can just cut the pages those are not required to fill by new appllicant. example do i still need to send dependents pages and represtative or extention applicant pages in post.
hope u will find it easy to reply.
regards

yes you have to submit everything even if a section does not matter to you