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AQA GCSE Biology Paper 2 (Higher Tier Combined) 8464/2H - 9th June 2023 [Exam Chat]

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what did people get for that 5 marker adrenaline temperature question??

i think its something to do with increased heart rate
but...
i wrote about how adrenaline is secreted from the adrenal gland which causes a 'flight or fight' response in the body so the body knows its in danger so works faster to increase the body temperature back to normal and when it is back to normal, the adrenal gland stops secreting adrenaline

Reply 81

Omar21lm

what did u guys get for the mean rate where you had a graph?
i got 0.375 some how please reply

(edited 10 months ago)

Reply 82

propergoodman

Original post by rse234

To be fair blood glucose conc. was on last years paper and we did have a 5 mark punnet square which was good. i see where you are coming from though, the last page was hard

the 5 mark punnet square was AMAZING!!!! BASICALLY GIVING MARKS

Reply 83

taylor2317

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ngl best exam ive ever taken...

Reply 84

Omar21lm

Original post by taylor2317

ngl best exam ive ever taken...

what did u write for the mean rate in the graph question

Reply 85

lolarose839834

guys what percentage do you think would give a grade 8-7 this year? are the grade boundaries gonna b low? im scared man

Reply 86

propergoodman

Original post by lolarose839834

guys what percentage do you think would give a grade 8-7 this year? are the grade boundaries gonna b low? im scared man

what grade u workin' at now?

Reply 87

Omar21lm

Original post by lolarose839834

guys what percentage do you think would give a grade 8-7 this year? are the grade boundaries gonna b low?

i think its gonna be 200 out of 420
so that's like 47%

Reply 88

lolarose839834

Original post by Omar21lm

i think its gonna be 200 out of 420
so that's like 47%

woah that’s low where did u get this idea from ?

Reply 89

ji5y4wht

Original post by idk_howtorevise

5.5% * 37= 2.035
37-2.035=34.965
to 2 sf =35

Dude! I did all that but I didn't round it up! I got 34 instead, does anyone know how many marks I'll get out of the 4?

Reply 90

AnAceCase

if you showed all of your working probably 2 or a 3, I did the same :frown:

(Original post by ji5y4wht)Dude! I did all that but I didn't round it up! I got 34 instead, does anyone know how many marks I'll get out of the 4?

Reply 91

ji5y4wht

Original post by AnAceCase

if you showed all of your working probably 2 or a 3, I did the same :frown:

(Original post by ji5y4wht)Dude! I did all that but I didn't round it up! I got 34 instead, does anyone know how many marks I'll get out of the 4?

No worries either than we both might've lost a mark or two! 😭

(edited 10 months ago)

Reply 92

pxoope

Original post by Cvbjjj

I got 36.95, how did u get 35😭

rounded to 2 significant figures is 35

Reply 93

Ahmad06

Aww, if I only mentioned the methane thing and global warming and how it reduced biodiversity (as theres more of only one type of species now so community would be imbalanced) how many marks ud think id get?

Original post by greendinobear

I put that cows produce methane which contributes to global warming. The food for the cows needs to be transported which will pollute the air and also that deforestation to create space for cattle farming. It was ok for me as it was basically just the geography exam I did last week!

Reply 94

da1708

Original post by rse234

To be fair blood glucose conc. was on last years paper and we did have a 5 mark punnet square which was good. i see where you are coming from though, the last page was hard

Fair enough for BGC. But why nothing on the nervous system? I mean they could've done question 2 on the nervous system instead of that stupid antibiotic resistance about C. difficile.

Reply 95

da1708

Original post by Omar21lm

i think its gonna be 200 out of 420
so that's like 47%

That would be SUCH A GOOD OUTCOME. Hopefully I'd get that, but we don't know. I'm just hoping I get a 7-7 so I can take A-level Bio :smile:

Reply 96

rse234

Original post by da1708

Fair enough for BGC. But why nothing on the nervous system? I mean they could've done question 2 on the nervous system instead of that stupid antibiotic resistance about C. difficile.

Yeahhh there wasn’t even a 1 marker on any of it i thought there would be a 4 marker on reflex arc. i guess they have to ignore stuff though for other years. such as the ruler drop which i also thought would come up

Reply 97

rse234

Original post by lolarose839834

guys what percentage do you think would give a grade 8-7 this year? are the grade boundaries gonna b low? im scared man

only 2/3 through science but i’d say maybe 211? depends how physics and chemistry are

Reply 98

Shsiwma

Original post by ammonium_nitrate

It definitely was mate we'll see who gets the last laugh when you get a low grade 'lol'

You didn't read the question properly pal the table had "total number of people who had IVF" so you had to subtract successful from that and work out the ratio which was 3:7