SAT2 Bio; barrons bio e/m book help?

<p>So i have barrons sat subject test bio e/m book, and i intend to take Bio-M, so do i have to go through the whole book, still? Or is it like i can still leave some topics which consist of Bio-E?
Is there any shortcuts? </p>

<p>And, what is general scoring curve for SAT bio??</p>

<p>Also, what is the ideal time of preparation( in days/ months) for a student who took bio in grade 12 ?
(ps i am an international ) </p>

<p>Thanks! </p>

<p>( posted this on the SAT prep forum because people rather respond to the questions asked here more than they do on the subject test forum)</p>