GCSE Combined Science : Trilogy / Biology Paper 1

This video walks you through the whole 2019 Biology Trilogy Paper 1, giving you exam tips, showing you techniques and helping you to use the key terminology. This will take you all the way up to level 9. You can download the paper from the AQA website - 8464 Paper 1 2019.

5.3 minor correction - even though I say there is zero uptake of nitrate ions from 3.5 hours I mistakingly wrote from 3.0 hours in the answer, sorry!

[richardaustin]

Tysm for included the point on oxygen debt because I have been so conflicted wherever anaerobic respiration would be necessary to include as it wasn't on the indicative content

[cortiaz]

Hi miss H I think that you should do a playlist explaining each sections in the topics for example enzymes that would get a lot of view takes time but definitely worth it

[V-hitv]

This is very helpful, thank you Mrs H!

[rosie_editzz]

Would I get the mark if I said CARBOHYDRASE was the enzyme that digests starch in the human digestive system?

[ghostbusteez]

Hi. I know that this is very late, but isn't oxygen a product of respiration in plants (photosynthesis), not a reactant? Does that mean that oxygen isn't required for respiration in plants?

[shahanmahmood]

Hii love ur vids can you do more trilogy based videos before the exams thankuuu

[sienna-kxjq]

So helpful thank you could you do one for chemistry and Physics!!

[orwdhjl]

Will I get the mark if I just said iodine and Benedict

[blvnkq]

i have my first mock in an hour so im tryna do some last minute revision 😭😭

[mangacomicstranslater]

Could you do a combined science foundation video biology paper 1 ?

[Kanyezz]

Much appreciated, got my exams in less than 12 hours and i’m filling the past paper for notes. Lifesaver 🫱🏾‍🫲🏽🐐!