GCSE AQA Biology paper 2 higher 8464 June 7th 2019 unofficial markscheme

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Poll: GCSE AQA Biology paper 2 higher 8464 June 6th 2019 unofficial markscheme
Excellent (187)
8.04%
Good/easy (527)
22.66%
meh/ok (815)
35.04%
Stressful/overwhelming (280)
12.04%
bad (208)
8.94%
crap/terrible (283)
12.17%
i didn't do it (26)
1.12%
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1st superstar
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#1
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#1
share you answers guys and how did you do
4
Billy855
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#2
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#2
What did everyone get for the standard form question
63
Billy855
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#3
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#3
What about the punnet square
0
Vchander2003
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#4
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#4
50%
(Original post by Billy855)
What about the punnet square
43
HetTalati14
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#5
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#5
what did everyone get for all the 6 markers?
19
amyu160
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#6
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#6
How does the kidney prevent water loss in the desert
5
BAnonymous03
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#7
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#7
I feel as if I failed that test. The 6 Mark question on the eye really messed me over. I put all that I could think of but I don't know if it was enough. What did everyone else put?
27
JamesBled
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#8
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#8
also got 50%

(Original post by Vchander2003)
50%
9
FrankSmith2002
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#9
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#9
(Original post by amyu160)
How does the kidney prevent water loss in the desert
ADH is released from the pituitary gland which increases the permeability of the kidney tubules so more water is reabsorbed into the blood so less water is lost in the urine.
I think it’s that anyway
37
brightblack2015
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#10
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#10
(Original post by Vchander2003)
50%
I got 50% too
6
amyu160
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#11
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#11
(Original post by FrankSmith2002)
ADH is released from the pituitary gland which increases the permeability of the kidney tubules so more water is reabsorbed into the blood so less water is lost in the urine.
I think it’s that anyway
Yeh that sounds right thanks
3
brightblack2015
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#12
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#12
(Original post by amyu160)
How does the kidney prevent water loss in the desert
Once the hypothalamus detects a low concentration of water in the blood stream, it will cause the petruity gland to release ADH, which stops the kidneys from absorbing the water for urine, therefore maintaining the blood water concentration and making the urine more concentrated.
9
HetTalati14
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#13
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#13
(Original post by FrankSmith2002)
ADH is released from the pituitary gland which increases the permeability of the kidney tubules so more water is reabsorbed into the blood so less water is lost in the urine.
I think it’s that anyway
I put that but wasn't 100% sure
0
JamesBled
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#14
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#14
(Original post by FrankSmith2002)
ADH is released from the pituitary gland which increases the permeability of the kidney tubules so more water is reabsorbed into the blood so less water is lost in the urine.
I think it’s that anyway
what did you put for oine about daphnia in 1m of water?
1
Evil Homer
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#15
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#15
Nice work guys!

Once you think you have a whole list of the answers I can make sure it features in the first post.

How did you find it all today?
8
echand123
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#16
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#16
A quick question , when are the 2019 specimen papers released for AQA?
4
Tamchow
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#17
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#17
Did you guys 0.014 for the weed question?
40
Tayyeb1322
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#18
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#18
urgh i got 25 percent guessed tho
(Original post by JamesBled)
also got 50%
Last edited by Tayyeb1322; 1 year ago
3
FrankSmith2002
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#19
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#19
(Original post by JamesBled)
what did you put for oine about daphnia in 1m of water?
I got 14000 but it seemed wrong ahahah
28
JamesBled
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#20
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#20
its either 14000 or 17500. Wasn't sure wether to include 0 or not.
(Original post by FrankSmith2002)
I got 14000 but it seemed wrong ahahah
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