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iGCSE Edexcel Biology 10th May

how was the exam ?

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Original post by aqmeraamirr
how was the exam ?

Good. Wby? Got physics at 3.00pm
Original post by KoalBears
Good. Wby? Got physics at 3.00pm

how? its on the 22nd
Original post by aqmeraamirr
how was the exam ?

pretty decent. Nearly missed the natural selection on the back page though.
Reply 4
How was the Igcse Edexcel Bio paper?
Original post by KoalBears
Good. Wby? Got physics at 3.00pm

felt like a geography exam. so many topics were left out. exam was so annoying
Reply 6
Original post by Nikos Mermigkas
felt like a geography exam. so many topics were left out. exam was so annoying

That’s exactly what I thought.
q1: food web (4 marks; 2MCQs, drawing food chain), substances absorbed from the blood (4 marks), transfers pathogens (2marks), calculating magnification (2 marks), q2: effect of changing light intensity on pondweed's rate of photosynthesis, q3: fill in the blanks for yoghurt production, q4: respirometer, q5: greenhouse gases, greenhouse gas effect, calculatingpercentage of emissions by energy production, commenting on results, q6: flower, sexual vs asexual reproduction, artificial andnatural in plants, q7: woman with 4.3 litres of blood calculation (3 marks), percentage difference inmass of haemoglobin calculation (2 marks), comment on results (5 marks), three differences between WBCs and RBCs structure(3 marks), , q8: cystic fibrosis, q9: different solutions of mineral ions, q10: designing experiment for the co2concentration for maximum crop yield
Original post by Nikos Mermigkas
felt like a geography exam. so many topics were left out. exam was so annoying

I ran out of time because my hand literally cramped up from all those 5 markers!!! I found the calculation questions hard but other than that I'm quite happy
Original post by harry_maguire4
q1: food web (4 marks; 2MCQs, drawing food chain), substances absorbed from the blood (4 marks), transfers pathogens (2marks), calculating magnification (2 marks), q2: effect of changing light intensity on pondweed's rate of photosynthesis, q3: fill in the blanks for yoghurt production, q4: respirometer, q5: greenhouse gases, greenhouse gas effect, calculatingpercentage of emissions by energy production, commenting on results, q6: flower, sexual vs asexual reproduction, artificial andnatural in plants, q7: woman with 4.3 litres of blood calculation (3 marks), percentage difference inmass of haemoglobin calculation (2 marks), comment on results (5 marks), three differences between WBCs and RBCs structure(3 marks), , q8: cystic fibrosis, q9: different solutions of mineral ions, q10: designing experiment for the co2concentration for maximum crop yield

what did you write for the haemoglobin and red blood cell question with altitude 😭
Original post by Zacogilvy
pretty decent. Nearly missed the natural selection on the back page though.

I don’t remember there was any natural selection 😟 or you are doing 1br?
Original post by sn0w_desert
I don’t remember there was any natural selection 😟 or you are doing 1br?

no natural selection on mine - i do igcse edexcel - they probs do gcse
Reply 12
Original post by sn0w_desert
I don’t remember there was any natural selection 😟 or you are doing 1br?
The last questions was a cormmss practical I checked with my friends.
Original post by aqmeraamirr
how was the exam ?

i made really stupid mistakes which is defo gonna cost me marks
what did you guys put for the red and white flower question
Original post by saffronarora
what did you guys put for the red and white flower question

selective breeding - breed them - then breed offspirng - repeat over many generations
Original post by DOVEdevil
what did you write for the haemoglobin and red blood cell question with altitude 😭

so there's less oxygen at high altitude, which is why the body makes more haemoglobin to compensate for that, and u j comment on the data like how men had more haemoglobin than women. u also comment on validity cuz the sample sizes were different, and other factors such as age, genetics, mass, fitness also affect it
Original post by DOVEdevil
selective breeding - breed them - then breed offspirng - repeat over many generations

ok cool I sort of did that but not really
Original post by DOVEdevil
selective breeding - breed them - then breed offspirng - repeat over many generations

isn’t it genetic modification because they were different species
Original post by yousedjubean
isn’t it genetic modification because they were different species

i thought that at first but then i though it was selective breeding bc it was only 3 marks - what did u write for it?

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