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  1. xtremeforums

    biology paper 1 doubts

    is a 36-39 out of 40 a good grade at this stage?
  2. xtremeforums

    Biology Paper 1: Post your doubts here!

    relax... revise the syllabus, to see where ur lacking... And do as many pastpapers as you possibly can! In my opinion, they are the key to an A.
  3. xtremeforums

    Biology 33, how was it?

    What was the variable that you had to keep constant while selecting the seeds? (this question was the first question i think...)
  4. xtremeforums

    Biology Paper 1: Post your doubts here!

    There is already a thread for this... http://www.xtremepapers.com/community/threads/biology-paper-1-doubts.20936/page-2#post-412888 Post your doubts here, and answer others' questions.(y)
  5. xtremeforums

    Biology P33 8 Nov

    2.4 micrometers
  6. xtremeforums

    biology paper 1 doubts

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w07_qp_1.pdf In nov 07 question 19... It says that the centromeres divide... in which stage of mitosis does that occur? Does it mean that the chromatids are being pulled apart during...
  7. xtremeforums

    Biology 33, how was it?

    That depends on whether u have ur concepts clear or not... Revise the syllabus again if u have any doubts.. I personally think pastpapers are more important at this stage! and im going to solve all pastpapapers... 2002-2012 inshAllah... In case they repeat a question.
  8. xtremeforums

    Biology 33, how was it?

    yah u were supposed to join them by straight lines... and no extrapolation.
  9. xtremeforums

    Biology 33, how was it?

    InshAllah! Good luck to you too.
  10. xtremeforums

    Biology 33, how was it?

    What other questions are there left to discuss?:p
  11. xtremeforums

    biology paper 1 doubts

    OH ok thank you soo much! I thought it said the water potential of the CELLS will become less negative...
  12. xtremeforums

    Biology 33, how was it?

    me too, and at the end i wrote, plot a graph of time taken for initial colour change against temp..
  13. xtremeforums

    biology paper 1 doubts

    Thanks alot for the help! but, The water moves in... same solute, and now MORE water... that would reduce the water potential (less negative)?
  14. xtremeforums

    Biology P33 8 Nov

    hmmm, i wrote that too (y) , mine was a bit more detailed though.
  15. xtremeforums

    Biology 33, how was it?

    What did you write for this question...How could you modify the experiment to find out the activity of enzymes at different temperatures?
  16. xtremeforums

    Biology P33 8 Nov

    How could you modify the experiment to find out the activity of enzymes at different temperatures?
  17. xtremeforums

    Biology P33 8 Nov

    draw any 5 adjacent cells... should be large... and label the cell wall, and cell membrane..
  18. xtremeforums

    Biology 33, how was it?

    The stage micrometer was 4.2 units long... That how i got 2.4 micrometers.
  19. xtremeforums

    Biology P33 8 Nov

    hmm, and what did you write for the question after that? The one about the enzyme and different temperatures?
  20. xtremeforums

    Biology P33 8 Nov

    And the hypothesis was correct right?
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