bio practical....

[hassam]

http://www.xtremepapers.me/CIE/Internat ... _qp_33.pdf
how shud its result table look like for question 1

 

[hassam]

the piece was stained with methylene blue b4.....wat does he asks us to do in step 5.....i cnt understnd.....does he wants to remove the stain

 

[hassam]

paper 34 oct/nov 2010....help me i cnt even understand the question 1 fully...about wat shud be my observations

 

[CaptainDanger]

Help him? A level waloon?

 

[Banglarbagh]

hassam in step 5 it is told to change the water in order to remove excess of methylene blue.!!

 

[hassam]

...do u people hav performed past ppr questions for practicals in lab....i tried bt cud nt get the enzymes in lab....cud just do microscopy..
are u people performing every single practical in past pprs....wat i cn all do is that i m trying to solve them mentally...exams are near ....i am reading examiner report and markscheme....will this work ....i know all apparatus handling by the way....