<p>If someone has a relatively old (like at least 5 years ago) Princeton Review AP Biology book with a 120 question "Diagnostic Exam" on page 247 as opposed to the 100 question "Practice Exam" found in that section on the newer editions, would you please post the answer key for that first diagnostic test. Their is great discrepency amongst the answers of my classmates. Thank you.</p>
<p>Can't help you, but how is the book? How does it compare to Cliffs?</p>
<p>I don't have it, we were only given the diagnostic test to do as a practice.</p>
<p>I'm planning on buying either the Cliffs or Barrons.</p>
<p>try searching on amazon.com. The website sometimes has older versions of popular books.</p>
<p>Tried already, and really only want to know the answers. I don't care to buy this book.</p>