# 2016 AQA Biology Unit 1 - Unofficial Mark scheme 2016 Watch

1. (Original post by habeeb_00)
Independent company would be unaffiliated with the drug company

Legal, recreational

Boys drink more beer, lager, cider than girls, girls drink more of everything else

It's too small a sample size

Fat - store of energy and warmth
Carbs/sugars - used for energy through respiration
Proteins - growth, repair of cells, replacement of old ones
Fibre - used to aid digestion

Skin is sense organ for spinal cord

80/50 = 1.6 for neurone speed

That's jumbled up - what did ya get for the horses one
Loooooool I put CNS for organ in the spinal cord question...wow

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2. The Calc was: (2,000,000/300,000,000) x 100?
Gave me 0.666666666% so 0.67%
3. (Original post by lilyflowerxoxo)
What did people get for the question about all boys drinking and why was the hypothesis not valid??
Check my big post on pg 1

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4. (Original post by lunaticash19995)
OK.
that exam was hard
5. (Original post by habeeb_00)
I got 0.666 whoops for the malaria one

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Me too, would we get 1 mark as we just divided it the wrong way round?
6. (Original post by lilyflowerxoxo)
What did people get for the question about all boys drinking and why was the hypothesis not valid??
In the first category, more boys than girls, others, more girls than boys.
And which hypothesis?
7. Was the horse question about mutation or variation?

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8. (Original post by habeeb_00)
I think it was right, someone here said 15 tho?

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It was 0.6% recurring.

I remember the question.

It was 3*10^8 people get malaria and 2*10^6 died from it.

To work out a percentage you take the lower number and divide it by the higher number and then * by 100.

There you get

(2/3 * 10^6/10^8) * 100

2/3 * 10^6/10^8 is 2/3 * 10^-2.

This is 0.006 recurring.

However then you times by 100 since it is a percentage.

This leaves you with 0.6% recurring of people dying.
9. (Original post by 0lut0)
Was the horse question about mutation or variation?

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Just mentioned both
10. (Original post by lilyflowerxoxo)
Me too, would we get 1 mark as we just divided it the wrong way round?
No apparently it's the right answer, most people got that

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11. Just quoting in some people who sat the exam to see if they can help

Spoiler:
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12. (Original post by InneRs)
Same. I'm reassured.
13. I found that exam so hard. I'm now in doubt of achieving and A*...
14. (Original post by lilyflowerxoxo)
What did people get for the question about all boys drinking and why was the hypothesis not valid??

I said because girls drank more wine, alcopops and spirits
15. What points did you guys make for the 6 marker question. Completely wasn't expecting healthy diet question.
16. OH MY GOD I just realised how badly I hecked up that horse question, I didn't talk about genes at all cor blimey gee wiz I just talked about why longer legs were beneficial and stuff

edit for PG
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17. For the sense organ one would eyes be okay?
18. (Original post by lilyflowerxoxo)
For the sense organ one would eyes be okay?
Yeah should be fine!
19. (Original post by MCArth)
It was 0.6% recurring.

I remember the question.

It was 3*10^8 people get malaria and 2*10^6 died from it.

To work out a percentage you take the lower number and divide it by the higher number and then * by 100.

There you get

(2/3 * 10^6/10^8) * 100

2/3 * 10^6/10^8 is 2/3 * 10^-2.

This is 0.006 recurring.

However then you times by 100 since it is a percentage.

This leaves you with 0.6% recurring of people dying.
Oops I coverted that into 66%
Do you think I will get one mark for the workings.
20. (Original post by habeeb_00)
OH MY GOD I just realised how badly I hecked up that horse question, I didn't talk about genes at all cor blimey gee wiz I just talked about why longer legs were beneficial and stuff

edit for PG
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Don't worry, that's partly correct.

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