The whole of AQA GCSE Biology Paper 1 Revision | 13th May 2025

covers in detail all the content needed for combined and separate science exams at both the higher and foundation levels. 2025 Predicted Exam Papers for GCSE and A-Level Biology, Chemistry, Physics, and Maths Revision Essential!

-full papers
-what is the question REALLY asking
-hints and tips from examiners
-the background behind the question
-how to structure your answer to get the most marks
-what the mark schemes really mean

I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future.

00:00 start
00:28 Plant Cell Structure
01:20 Animal Cell Structure
01:53 Comparison of Animal and Plant Cells
02:11 Bacterial Cells
02:47 Specialisation of Cells
03:57 Microscopy and Magnification
04:36 DNA Structure
05:07 Mitosis
05:42 Stem Cells
06:57 Diffusion
08:18 Osmosis
08:51 Active Transport
09:22 Tissues, Organs and Organ Systems
10:03 Digestive System
10:54 Digestive Enzymes
12:32 Enzyme Structure and Conditions
14:19 Respiratory System
15:05 The Heart
17:35 Veins, Arteries and Capillaries
18:36 Components of the Blood
19:19 Cardiovascular Disease
21:06 Break and Thank Yous
21:28 Health
22:09 Epidemiological Studies
23:16 Cancer
25:22 Leaf Structure
25:46 Xylem and Phloem
26:21 Transpiration Factors
28:07 Pathogens
29:28 Measles
31:02 HIV
32:48 TMV
33:31 Salmonella
34:34 Gonorrhea
36:00 Rose Black Spot
36:46 Malaria
37:46 Protection from Pathogens
39:01 Vaccinations
41:23 Bacteria and Antibiotic Resistance
43:08 Break
43:22 Drugs
44:16 Penicillin
45:22 Aspirin
45:45 Digitalis
46:02 Aphids
46:36 Photosynthesis, Limiting Factors and Starch
51:13 Aerobic and Anaerobic Respiration
54:20 Anaerobic Respiration in Yeast
55:01 Metabolic Rate
56:37 End of 9-1 Combined Science Content
56:57 Bacteria Division
57:34 Uncontaminated Bacteria Culture Experiment
58:47 Effect of Antibiotics and Antiseptics Experiment
59:50 Monoclonal Antibodies
01:00:55 Plant Disease Identification

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[Lolly]

Timestamps:

00:00 Introduction
00:28 Plant Cell Structure
01:20 Animal Cell Structure
01:53 Comparison of Animal and Plant Cells
02:11 Bacterial Cells
02:47 Specialisation of Cells
03:57 Microscopy and Magnification
04:36 DNA Structure
05:07 Mitosis
05:42 Stem Cells
06:57 Diffusion
08:18 Osmosis
08:51 Active Transport
09:22 Tissues, Organs and Organ Systems
10:03 Digestive System
10:54 Digestive Enzymes
12:32 Enzyme Structure and Conditions
14:19 Respiratory System
15:05 The Heart
17:35 Veins, Arteries and Capillaries
18:36 Components of the Blood
19:19 Cardiovascular Disease
21:06 Break and Thank Yous
21:28 Health
22:09 Epidemiological Studies
23:16 Cancer
25:22 Leaf Structure
25:46 Xylem and Phloem
26:21 Transpiration Factors
28:07 Pathogens
29:28 Measles
31:02 HIV
32:48 TMV
33:31 Salmonella
34:34 Gonorrhea
36:00 Rose Black Spot
36:46 Malaria
37:46 Protection from Pathogens
39:01 Vaccinations
41:23 Bacteria and Antibiotic Resistance
43:08 Break
43:22 Drugs
44:16 Penicillin
45:22 Aspirin
45:45 Digitalis
46:02 Aphids
46:36 Photosynthesis, Limiting Factors and Starch
51:13 Aerobic and Anaerobic Respiration
54:20 Anaerobic Respiration in Yeast
55:01 Metabolic Rate
56:37 End of 9-1 Combined Science Content
56:57 Bacteria Division
57:34 Uncontaminated Bacteria Culture Experiment
58:47 Effect of Antibiotics and Antiseptics Experiment
59:50 Monoclonal Antibodies
01:00:55 Plant Disease Identification
01:02:45 Outro

[surik]

where my current year 11s at? you'll do great!! xx

[proGamerHD]

Who's else is cramming revision for biology, 14th May

[mrkrabs]

Look at all us year 11’s, 5 days before the exam probably done no revision trying to learn! Also scrolling through the comments instead of actually watching the video

[mrduck]

How're my covid class of 2021 brothers and sisters doing revising for mocks last minute?

Edit: actual ‘exams’ are this month oh god

[gabs]

Night before gang where you at? (I've been waiting a while before I could finally comment this lol good luck for tomorrow everyone)

[elliekira]

I have my biology exam tomorrow. I know NOTHING. Pray for me

Update: did it, knew nothing. No need to pray, the damage is done..

[Adaomajoanis]

why was the majority of higher tier about plants? am i aspiring to become a gardener

[simonkato]

who's watching this because they have mocks soon and has done no revision

[shyalouise]

Here I am, the night before my exam, trying to learn the past 5 years of my science lessons in 63 minutes...

[benstockwell]

Good luck everyone! We're gonna smash it!

[cwazee]

good luck to everyone doing their bio exam tomorrow !!

[IsrarKhan-jhqq]

You taught me in one hour what 4 teachers couldn't teach me in 2 years

[anonymousmcanonymous]

As if it’s actually biology paper 1 tomorrow, what a joke. You’re an absolute lifesaver I stg

[hvxe]

Anyone one else trying to prepare for the biology exam next week??

Edit: It's tomorrow! good luck guys🤞

[summerbb]

good luck to everyone else who's here the night before the bio exam desperately trying to revise last minute!

[kaylenc]

Last min squad where you at ?? Bio paper 1 tomorrow

[trw]

Praise this woman for saving my exams last minute 👏👏

[rosiewoolfe]

it took me 4 hours to write every single note down neatly from this video and it was so worth it. this was a lifesaver. thank you !!!!

[janeymay]

angels walk among us - here i am 17 hours before my exam, doing old spec past papers and crying when i come across this, thank you thank you THANK YOU