Guys how did you find Biology Paper 21

[Nerddddddddddddd]

Hey guys how did you find today's paper 21? i thought that some questions where extremely easy while others where extremely difficult, and btw in number 1c where we had to describe the functions of cell A and B in protecting the lining of the trachea what where the cells, where they cartilage (chondracites) or where they goblet cells?

 

[awesome94]

cell a i said was goblet cell.. i was kinda sure... cuz it was on the surface and ... idk.
and b i said was ciliated epithilial cell..

 

[Nerddddddddddddd]

I did the samething but when i came out of the exam a lot of people kept telling me that cell A where chondracites, the diagram was so unclear which i found was extremely unfair, how did u perform in the Carbon Dioxide and the Oxygen dissociation questions, i found those the most difficult and i think i lost around 6 marks in total just on these two questions!

 

[libra94]

yeah it was goblet cells and cilia cells
carteledge cells are c-shaped

 

[Nerddddddddddddd]

Libra94 and Awesome94 thanks for the reassurance! You see i did badly on the oxygen and carbon dioxide questions and i just couldn't afford to loose marks

 

[Nerddddddddddddd]

But guys you know on the table where we had to put letters that fit the corresponding molecules, did any of you put the protein for the molecule that can be a shape in a helix?

 

[libra94]

But guys you know on the table where we had to put letters that fit the corresponding molecules, did any of you put the protein for the molecule that can be a shape in a helix?

wasnt it amylose, which was i think M??

 

[Nerddddddddddddd]

but you see a lot of people told me the same thing but proteins could be in alpha helix, since secondary structure of protein is either beta pleated sheets or alpha helixes. and how high do you think that boundaries will be?!

 

[libra94]

but you see a lot of people told me the same thing but proteins could be in alpha helix, since secondary structure of protein is either beta pleated sheets or alpha helixes. and how high do you think that boundaries will be?!

i see, that makes sense!! maybe both od them are correct
ummm, i think it'll be around 47-50 :/
what do u think??

 

[Nerddddddddddddd]

if the boundries are from 50 it'll be a disaster! Last year's boundary was 50 however their exam was MUCH easier! The DNA questions was frankly a blessing from God!

 

[libra94]

then it'll be like around 45!?!
paper 31 wasn't that good too!!

 

[nerdybookworm]

what was your magnification?????

 

[awesome94]

i found the 7 mark question so sweet! it was 7 marks
o yeah that one too...

 

[libra94]

x 4500!!

 

[Nerddddddddddddd]

31 wasn't that great i agree the experiment was rubbish because the instructions where messed up, you know with the petri-dishes and stuff however the second part (microscopy) was GREAT! if the boundary is 45 i more then happy!

 

[Nerddddddddddddd]

what was your magnification?????

x 4500

 

[libra94]

31 wasn't that great i agree the experiment was rubbish because the instructions where messed up, you know with the petri-dishes and stuff however the second part (microscopy) was GREAT! if the boundary is 45 i more then happy!

yeah, i hope the threshold for 31 is 27-30!

 

[Nerddddddddddddd]

Well you see it's always between 27-30! do u reckon it'll be 26?

 

[libra94]

Well you see it's always between 27-30! do u reckon it'll be 26?

really?? i didnt know that
InshaAllah it'll be low this time!!

 

[Nerddddddddddddd]

isA ya rab! :x