A-level biology paper 42

[moh321]

What do you think about the paper ?

 

[ABC12348]

some questions tricky. i think gt will b above 65

 

[Syed Rizwan]

what was q9 and 10 again? i forgot

 

[moh321]

Yeah it had some tricky questions

what was q9 and 10 again? i forgot

Q9 was how cereals from a part of human diet or something like that
B was about gebberellin and seed germination
10 was
How hormones maintain menstrual cycle
And homeostasis

 

[Asadalam18]

how did you guys answer the pre and post synaptic memebrane one

 

[Sofia Kamla619]

Ca channels and Na channels,AcetylCholin and depolarization.If you mention this 3 then you covered up the important points.
What did you answer for questions 6 and 7?

 

[Asadalam18]

6 and 7?

 

[Asadalam18]

the cereal one?

 

[Sofia Kamla619]

I wrote the answer for Cereal with all the points.
What did you include?

 

[Asadalam18]

i couldnt answer that one

 

[Asadalam18]

what were number 6 and 7?

 

[FatimaHussain!!]

i attempted q.10 and do u guys know what was the answer to that pH8 question that how chlorophyll helps to maintain it?

 

[FatimaHussain!!]

and one more thing.. in first question what were the two isolating mechanisms?

 

[forsaken]

and one more thing.. in first question what were the two isolating mechanisms?

allopatric and sympatric speciation

 

[emilyy]

allopatric and sympatric speciation

is it not reproductive and geographical isolation?

 

[FatimaHussain!!]

is it not reproductive and geographical isolation?

I wrote the same reproductive and geographical

 

[emilyy]

I wrote the same reproductive and geographical

dats the answer..

 

[Sofia Kamla619]

I wrote Allopatric and Sympatric speciation

 

[forsaken]

allopatric is due to geographical terrain and sympatric is due to reproduction.

 

[ABC12348]

A B C.
was A= RuBP B=fatty acids C=Glucose ?