OCR GCSE Biology A Paper 4 (Higher) - Monday, June 9, 2025 [Exam Chat]

What did u put for the soil ph

Reply 61

also am I dumb, I put a greenfly as a predator to oak tree ( I assume I am wrong definitely)

Reply 62

Original post

by C3c3c3

What did u put for the soil ph

I said use ph probe and record ph then compare after using same coordinates for sampling the dandelions

Reply 63

Original post

by Dev Saha

I said use ph probe and record ph then compare after using same coordinates for sampling the dandelions

I said ph probe too but I also put universal indicator so idk if I’d lose the mark for that

Reply 64

nah unless u said take a sample of the soil

Reply 65

I mean u need to say take a sample

Reply 66

Original post

by Dev Saha

I mean u need to say take a sample

I said take a sample and put it in universal indicator or test with ph probe and compare with samples from across diff areas of field

Reply 67

yh so u prob get 2 marks

Reply 68

that's what I said (universal indicator and ph probe)

Reply 69

Jessica3837377

I thought it said identify the mistakes, I dont remember it saying identify and correct but I only wrote the mistakes so I probably lost the marks if u were meant to correct it 😣

Reply 70

yh I think u were supposed to, that's what I did

Reply 71

What did you put for the multiple choice where biomass needed to be calculated 1 2 3 4 option.

Reply 72

Original post

by abi7987

What did you put for the multiple choice where biomass needed to be calculated 1 2 3 4 option.

Wait i think it is the third option because it says calculate biomass for predators so the tree is not counted.

Reply 73

Original post

by abi7987

Wait i think it is the third option because it says calculate biomass for predators so the tree is not counted.

I put 1,2 and 4 only

Reply 74

Original post

by C3c3c3

I put 1,2 and 4 only

Thanks but i was talking about the biomass question with trees ladybugs and blackbirds.

Reply 75

Oh what was is the one where u had to add the up? Uh oh I just added them all

Reply 76

jasmineexo

Original post

by abi7987

What did you put for the multiple choice where biomass needed to be calculated 1 2 3 4 option.

idk if its right but i put 1,2 and 4 only

Reply 77

jasmineexo

for the amount of locusts is it 1 x 10^9?

Reply 78

jasmineexo

Original post

by abi7987

Thanks but i was talking about the biomass question with trees ladybugs and blackbirds.

oh wait help i think i added the last two so 2400!

Reply 79