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Unofficial Mark scheme: AQA GCSE Biology Paper 1 Triple Higher Tier 16th May 2023

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Reply 20
Original post by motsakalis
If you put 14.4 mg would you still get a couple of marks?


Yeah u would defo get at least 2 out of 4 maybe even 3
(edited 11 months ago)
Reply 21
Original post by 69420Ferriswheel
It's 1440 you had to convert to milligrams by multiplying by 1000


i divided by 1000 ;(((((((((
Reply 22
Original post by motsakalis
If you put 14.4 mg would you still get a couple of marks?

depends on the mark scheme, but it will probably still be three marks, depends if showed working
(edited 11 months ago)
Reply 23
Original post by judezy
somwhere i think it was question 2 or 3, there was a question on the structural differences between arteries and veins
-> arteries have relatively smaller lumen whereas veins have relatively larger lumen
-> arteries have thicker elastic and muscular walls whereas veins have thinner elastic and muscle walls


would i get 2 marks on that question if i said that
arteries have a thicker muscular fibres compared to veins
arteries have a thicker elastic walls compared to veins
guys lots of people found it rather easy does tht mean grade boundaries will be higher (T-T) ?!
Reply 25
Original post by fluffy_kitten
guys lots of people found it rather easy does tht mean grade boundaries will be higher (T-T) ?!


most likely, but depends if they made paper 2 harder to drop the grade boundaries again :,)
Original post by fluffy_kitten
guys lots of people found it rather easy does tht mean grade boundaries will be higher (T-T) ?!


What do you guys think the grade boundaries will be??
Original post by 04MR17
Unofficial Mark scheme: AQA GCSE Biology Paper 1 Triple Higher Tier 16th May 2023

:woo: Well done on completing the exam everyone! :woo:

This thread is to share your answers, I'll collate them later on today into this Original Post. :smile: Between us this should create an unofficial mark scheme, allowing people to get an idea of their performance in this exam. :yy:

Answers

1.1Tissues are a group of cells with similar structure and function
1.2 meristem tissue
1.3 Willow
1.4 1440 mg

2.
3.
4.
5.
6.
7.
etc.

Ab
Reply 28
how did you guys get 1440 mg because i got 4000mg
Reply 29
Original post by Anonymous4191
What do you guys think the grade boundaries will be??


Probably like 70% for a 9
64% 8
56% 7
50% 6
45% 5
40% 4

I have no evidence for this though so please dont go by this too seriously
Reply 30
Original post by Caotica
Probably like 70% for a 9
64% 8
56% 7
50% 6
45% 5
40% 4

I have no evidence for this though so please dont go by this too seriously


No point in any guess - the examiners have absolutely no idea until all papers are marked.
Reply 31
Original post by Muttley79
No point in any guess - the examiners have absolutely no idea until all papers are marked.

I do understand this so I do advise you take them with a pinch of salt. I'm just basing this off on average and 2019 results
Reply 32
Original post by Caotica
I do understand this so I do advise you take them with a pinch of salt. I'm just basing this off on average and 2019 results


Guesses just raise concerns so please don't ...
Reply 33
The 1st Question was: What is a tissue?
Reply 34
Questions I remembered were:
Give 3 differences between asexual and sexual reproduction?(3 marks)
What are 2 aseptic techniques used for growing bacteria experiment?(2 marks)
Why can scientists grow bacteria at 35C but students grow bacteria at 25C? (3 marks)
State one reason why the paper disc C wasn't dipped in any antibiotic? Why should Antibiotic B be used instead of Antibiotic A?(2 marks)
Describe an investigation on athletes during different types of exercises have different heart rates? (6 marks)
Describe 2 effects of Anaerobic respiration on the body? (4 marks)
Reply 35
Original post by tmp036
i divided by 1000 ;(((((((((


same ffs
60% of 1.2 in mg

so 1.2 x 1000 (as it is in mg not g) = 1200
1200 x 60 = 72000
72000 / 100 = 720
720 x 2 = 1440



Original post by Jurix152
how did you guys get 1440 mg because i got 4000mg
What did you all put for the graph question about blockage - like the 1 marker where you had to estimate at 35% blockage?
Original post by Blazing_Legend
What did you all put for the graph question about blockage - like the 1 marker where you had to estimate at 35% blockage?


21
Reply 39
For the first one I wrote that tissue is a group of cells made up of the same type of cell
idek if thats right lmao

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