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Aqa GCSE Biology Unit2 (post discussion)

blingmonkeys

How did everyone find the B2 exam today?

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Reply 1

TitchTheAntiHero

it was so hard e.e
I was so annoyed cause I revised loads but there were a few answers I completely guessed:L

Reply 2

Flyingchicken

How do you think you guys did I found it significantly easier than b3

Reply 3

blingmonkeys

Same I didn't understand those sankey diagrams :/ only 3 maks though :smile:

Reply 4

TitchTheAntiHero

I'm the opposite, B3 was easy but this was dead hard =/

Reply 5

blingmonkeys

B3 was hard aswell :frown:

Reply 6

saroora

It was quite hard actually!!
what did everyone write for the question that said what two other carbon compounds are found in plants?
i wrote carbon and nitrates O__o

Reply 7

Liam_W_

Glucose and Carbon Monoxide.

CO is probably wrong, but I was sat there for the ten spare minutes I had racking my brain for something, it was ridiculous!

Reply 8

potentialmedicalstudent

i put DNA, it is made up of 5 carbon ring, called Deoxyribose

Reply 9

saroora

hmm yeh
and the question that was
why are chromosomes even in cells?
i wrote cuz odd number wouldnt be able to split? LOL

Reply 10

Lizzie-Harrison

saroora

hmm yeh
and the question that was
why are chromosomes even in cells?
i wrote cuz odd number wouldnt be able to split? LOL

one from each pair from each parent

Reply 11

saroora

ohh..
so i wrote that one wrong then..
and the one about how to measure rate of photosynthesis
i wrote measure volume of gas, and do the iodine test for starch
would i get any marks? :s-smilie:

Reply 12

Liam_W_

saroora

ohh..
so i wrote that one wrong then..
and the one about how to measure rate of photosynthesis
i wrote measure volume of gas, and do the iodine test for starch
would i get any marks? :s-smilie:

Not sure about iodine test, although gas seems a little vague.

I put frequency of bubbling and volume of water.

Frequency of bubbling is vague I know, but I can't just expect students in a school to have equipment to test accurately the volume of gas. And the volume of water? Well surely the more it photosynthesis' using water, the lower it will be?

I think too literal.

Reply 13

saroora

Liam_W_

Frequency of bubbling is vague I know, but I can't just expect students in a school to have equipment to test accurately the volume of gas. And the volume of water? Well surely the more it photosynthesis' using water, the lower it will be?

I think too literal.

LOL hmm makes sense though...
damn me. i lost yet another mark :frown:

im guessing i've got around 32 marks banked :smile:

Reply 14

Liam_W_

saroora

LOL hmm makes sense though...
damn me. i lost yet another mark :frown:

im guessing i've got around 32 marks banked :smile:

The way it sounds, I expect that to be A*.

Reply 15

saroora

Liam_W_

The way it sounds, I expect that to be A*.

really? YAY
thats my predicted grade too.. i really hope i get an A*
really depends on chemistry and physics...........

Reply 16

delllboy

i put glucose and chlorophyll for the two carbon compounds present in plants, both have carbon in them so i think i got it right... :p:

Reply 17

lil_kittie2

ahhh i put

carbohydrates and fats lol......

arghh grade boundaries need to be lowered!!!

Reply 18

jackkyt

i think they got the question about controlling body temperature wrong because it said what happens in the blood vessels when the core body temperature falls and they constrict and then the next question asked how does this relate to the graph which showed the temperature of the skin increasing when surely if the vessels constrict the skin would cool down?? anyone else find this?

Reply 19

delllboy

jackkyt

yeah you said in the last discussion :P: i think i remember it was just poorly written and the previous question wasn't related even though you would've thought it was.