Qualification > Sciences
ALL CIE BIOLOGY DOUBTS HERE !!!
Amelia:
--- Quote from: Sue T on February 11, 2011, 05:58:34 pm ---but isnt the conc of LH on day 9 already low? why do we need 2 decrease it further in order 2 prevent ovulation?
(sorry 4 asking 10 days later)
--- End quote ---
the concentration is LH is low on day 9 because of the treatment of antagonist of LH.
shabie:
For CIE A2 (or AS) level students:
I was just going thru the marking schemes of Biology papers and what confuses me is that there are 4 points mentioned for a 2 mark question or sometimes 8 points mentioned for a 4-mark question. Now unlike chemistry or physics, sometimes they don't mention explicitly in their schemes that where all or some are needed so I am just wondering which one is the case? In chemistry and physics, as a general rule, you get one number for one point.
Because 8 points for a 4 point question seem quite a lot to me. They are basically all that you could write in response to that question which is usually not the case as students gets full points for writing different (but correct answers) that may or may not match the scheme.
So would anyone kindly clarify the schemes for biology? For example Question 5(c) for May/June 2010 Paper 42.
iluvme:
Out of the 8 points given you could write any 4 points. As long as you have written 4 points you would get your 4 marks.
Its the same for the 2 mark question.
sabrina:
hi
can anyone give some tips in paper 5 for bio. Its very tough.thanks in advance
Amelia:
--- Quote from: sabrina on March 25, 2011, 09:26:45 am ---hi
can anyone give some tips in paper 5 for bio. Its very tough.thanks in advance
--- End quote ---
Paper 5 requires practical thinking and practise. Do the past papers and you'll be fine.
Good luck. :)
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