Edexcel IGCSE Biology Paper 2B 4BI0 2B Watch

Shatryy
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#1
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Guys lets discuss paper 2
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judezeitoun
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yess what do you guys think may come?
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Kamunja
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I'm going to prioritise the paper 2 only topics like yoghurt making, the nitrogen cycle, hydrogen carbonate, the iris reflex, accomodation, cloning, auxin etc.
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judezeitoun
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(Original post by Kamunja)
I'm going to prioritise the paper 2 only topics like yoghurt making, the nitrogen cycle, hydrogen carbonate, the iris reflex, accomodation, cloning, auxin etc.
nothing about the kidney came in paper 1, they could probably bring it up in paper 2, i was surprised nothing about it came
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Kamunja
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(Original post by judezeitoun)
nothing about the kidney came in paper 1, they could probably bring it up in paper 2, i was surprised nothing about it came
Also nothing about micropropagation came up
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judezeitoun
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(Original post by Kamunja)
Also nothing about micropropagation came up
for some reason i am finiding it hard to remember the stuff that came up but didn't something about cloning show up or am i mixing things up?
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Kamunja
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(Original post by judezeitoun)
for some reason i am finiding it hard to remember the stuff that came up but didn't something about cloning show up or am i mixing things up?
Lol it's been a while now it was one of my first exams so I don't remember everything. I think something might have come up briefly about how you would separate a gene with a restriction enzyme and secure it into a vector e.g a plasmid with ligase. Can't be too sure though.
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judezeitoun
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would things about germination come up because i really don't get it
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judezeitoun
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(Original post by judezeitoun)
would things about germination come up because i really don't get it
but i thik something about plant reproduction already came up no?
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Kamunja
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Did the heart come up? And germination is quite a small topic if it does come up it'll be a small question most likely. However, there are two paper 2 unique points about germination:

3.5 understand the conditions needed for seed germination
3.6 understand how germinating seeds utilise food reserves until the seedling can carry out photosynthesis

I don't remember if anything about plant reproduction came up. Sorry
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judezeitoun
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(Original post by Kamunja)
Did the heart come up? And germination is quite a small topic if it does come up it'll be a small question most likely. However, there are two paper 2 unique points about germination:

3.5 understand the conditions needed for seed germination
3.6 understand how germinating seeds utilise food reserves until the seedling can carry out photosynthesis

I don't remember if anything about plant reproduction came up. Sorry
There was nothing about the heart as far as I remember so that could probably come, and another thing, what are the odds anything t do with leaves and reproduction will come up again since paper 1 was so intense with questions from those 2 topics
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Kamunja
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I doubt leaves will come up after the detail which it was asked in in paper 1. Reproduction in plants I guess could come up but I would be surprised if reproduction in humans came up.
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Mariam_
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I have a feeling it will be about the Eye, the heart maybe and about Using microorganisms in Industry ie fermentation
The first paper was so concentrated on Human reproduction , Leaf structure and Pollution so I doubt these topics would come up again
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judezeitoun
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Let's hope they don't come again, I feel like excretion stuff may come up ie.
Kidney
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Shatryy
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(Original post by judezeitoun)
Let's hope they don't come again, I feel like excretion stuff may come up ie.
Kidney
I can't say for sure, but this is a rough estimate of topics that may come up in paper two:

- yoghurt production
- beer production
- water cycle
- carbon cycle
- nitrogen cycle
- food webs
- ecological pyramids
- pollution
- pests
- farming
- plant reproduction
- transport in plants (not leaves though, as that already came up)
- nervous system
- eye
- the kidneys
- the heart
- excretion and homeostasis
- liver
- breathing and gas exchange.
- natural and artificial selection
- cloning
- micropropagation

I may be completely incorrect, but I'm guessing some of these topics will come up,
also don't forget there are going to be approx 7 questions in total, Good Luck
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Rosie992
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hOW WAS THE EXAM GUYS?
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sanchit117
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#17
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Easy!
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