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Edexcel A-level Biology A (Salters-Nuffield) Paper 3 - 18th June 2025 [Exam Chat]

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Reply 20

Could anyone list all the practicals that have come up in the last 2 papers? just so I know what could come up in paper 3

Reply 21

student.co1

As far as I remember it was the daphnia, tensile strength, spirometer, antibiotics, Q10. If theres any more please do feel free to correct me

Reply 22

pinkcupcakes1

Original post

by student.co1

As far as I remember it was the daphnia, tensile strength, spirometer, antibiotics, Q10. If theres any more please do feel free to correct me

gel electrophoresis too in paper 1 x

Reply 23

amaniislam

Does anyone have any predictions for what they think might come up on the 9 mark essay q??

Reply 24

will_smith_2505

Original post

by amaniislam

Does anyone have any predictions for what they think might come up on the 9 mark essay q??

something on the light dependent reaction potentially or a really big thermoregulation question? I am also thinking a seed bank comparison question with tissue banks or a zoo as that came up in the pre-release

Reply 25

stressed0

Original post

by Dojacat 18

guysss what topics are we predicting for paper 3? ofc the heart, brain, anything else?

stats will most likely be on it as they haven't been on the first two papers as well as H-W and index of diversity

(edited 8 months ago)

Reply 26

furzeleaf

Original post

by student.co1

As far as I remember it was the daphnia, tensile strength, spirometer, antibiotics, Q10. If theres any more please do feel free to correct me

wait there was an antibiotics question? i don’t remember it at all… what was it?

Reply 27

yaman2006

Original post

by furzeleaf

wait there was an antibiotics question? i don’t remember it at all… what was it?

it was about finding the minimum concentration of an antibiotic i think it was 4 marks

Reply 28

student.co1

Original post

by yaman2006

it was about finding the minimum concentration of an antibiotic i think it was 4 marks

yeah can't remember ngl but you should be right i think

Reply 29

student.co1

what other core practicals are left?

Reply 30

olistudyvia

anyone remember if CORE PRACTICAL 6: Identify sclerenchyma fibres, phloem sieve tubes and xylem vessels and their location within stems through a light microscope. came up??/

Reply 31

student.co1

Original post

by pinkcupcakes1

gel electrophoresis too in paper 1 x

ohh yes thank you x

Reply 32

student.co1

Original post

by olistudyvia

anyone remember if CORE PRACTICAL 6: Identify sclerenchyma fibres, phloem sieve tubes and xylem vessels and their location within stems through a light microscope. came up??/

i remember something about tensile strength but it was just a 4 marker? so i'm not too sure if it will pop up again

Reply 33

ninisuram

guys does anyone have predictions on topics that may defo come up on the artical section

Reply 34

Insouciant.

Original post

by yaman2006

it was about finding the minimum concentration of an antibiotic i think it was 4 marks

omg that was hell I was so confused

Reply 35

SA06

Original post

by Daisym101234

Here you Go:
https://drive.google.com/drive/folders/1ecyjOUeNimRMwCoZNh9kqgcwKgQmA_Om?usp=drive_link

Genuinely thank you sm for this :smile:

Reply 36

olistudyvia

Original post

by stressed0

stats will most likely be on it as they haven't been on the first two papers as well as H-W and index of diversity

which type of stats do you reckon??

Reply 37

olistudyvia

Anyone know if Q10 can/is likely to come up again?

Reply 38

olistudyvia

Random hunches I have- Brain scanning, PCR, light dependent phase, ECG graphs, climate change + rod cells (or did they come up before) then obviously HW Equation. For CPs- habituation, effect of temp on life development and then something rogue maybe membrane permeability/respirometer. This is based on absolutely nothing except the vibes i feel when i look at them.

Reply 39

pri29

I’m thinking a cheeky question on genetic screening, membrane permeability practical, hardy Weinberg, forensic succession and then a lot of topic 3 for the article questions

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