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Official AQA Biology Unit 3 14th May 2013 NEW SPEC

There was a lot of confusion as to whether factory farming covered organic and whether we were meant to talk about organic in addition.

I just wrote adv/disadv on both, oh well.

Reply 881

grammar12

OP

5

Original post by DanTheMan358

It was not an evaluation question? Just state methods used and give pros/cons. So conclusion was not needed, unless I misread something.

The conclusion was not necessarily needed. However, that being said, the 6 mark english questions most of the other science exams say that to gain the full marks that a conclusion or summary is needed in some form, but that may not be the case here but I did it to be safe :smile:

(edited 10 years ago)

Reply 882

Candidate724

Original post by obdreno

F*cking tadpoles

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Damn right, I talked about Surface areas and how it helped efficient gas exchange for respiration.

I also talked about how the tail could be used to lose heat - is this wrong? HELP

Reply 883

Candidate724

Original post by sarcasmrules

I said how the concentration gradient became shallower.

Yeah, sames, the concentration gradient became less significant so less water was able to transpire form the plant.

Reply 884

BI0

7

Original post by rbh

Ill put it this way - I beat you in the Electronics exam.

Well this is awkward.

Original post by jamiepman

Okay anyone no the answer for the marathon runner?

Yeah, humid conditions mean reduced rate of evaporation - so sweat evaporates less easily, meaning there is less heat loss. Used about half the space for that and I didn't think I wrote enough.

Reply 885

you-only-live-once

2

can someone please make an unofficial mark scheme? :smile:

Reply 886

Dannyboy1236

11

Original post by DanTheMan358

I hope that they say allow artery because i'm pretty sure the CGP book follows the specification. If not I don't really care it's only 1 mark and I only need a B.

Actually..the cgp does mention the coronary artery. It's on the circulation aids page, in the section about stents.

Reply 887

Spag

1

Today I got ****ed over by a tadpole.

I'd been using the CGP books for each exam before finding out they didn't cover everything, bit stupid of me I know but I guess now I know for the Unit 3s.

The Youtube GCSE revision videos that myGCSEscience puts up are a lifesaver though. Thoroughly recommended.

Reply 888

grammar12

OP

5

Original post by you-only-live-once

can someone please make an unofficial mark scheme? :smile:

It is currently under production, hopefully it should be finished by next week (Myself and a number of teachers are working on it)

Reply 889

DanTheMan358

8

Original post by grammar12

The conclusion was not necessarily needed. However, that being said, the 6 mark english questions most of the other science exams say that to gain the full marks that a conclusion or summary is needed in some form, but that may not be the case here but I did it to be safe :smile:

Yeh I wish I wrote one too in order to be safe. BUT, I am pretty sure conclusions are only relevant for "evaluate" questions as you are comparing methods and then giving your overall view.

Reply 890

PriyaPaul

That was such a ..urghhh paper.

How did you guys find it ?

btw 320/400 is an A right and 360/400 an A* ?

Reply 891

Jams97

3

HARD lol, the 6 marks was ok I guess, but the tadpole one was confusing lol

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Reply 892

username1107147

2

I second the MyScienceGCSE
Videos, his last 5-6 videos all came up in the exam

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Reply 893

cmorga1

Very easy, perfect for me :smile:

Reply 894

king_revision

5

Original post by grammar12

It is currently under production, hopefully it should be finished by next week (Myself and a number of teachers are working on it)

Thank you very much :smile:

I reckon the grade boundaries will be pretty high though.

More than likely plus 50 for A*

Reply 895

ABC05

6

Original post by PriyaPaul

That was such a ..urghhh paper.

How did you guys find it ?

btw 320/400 is an A right and 360/400 an A* ?

Yup. So tbh, grade boundaries really don't matter for modules, it's the mark that matters.

Reply 896

abccba120

8

Anyone sit b2 today?

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Reply 897

cmorga1

The 6 mark factory farming was ideal :biggrin:

Reply 898

Jennym5

What did everyone out for another substance the tadpole exchanged with water?

Reply 899

Alex Wonderkid

I thought the tadpole had mitochondria on the outside to make gas exchange for efficient, as it needs more energy from respiration as it grows bigger?!

Official AQA Biology Unit 3 14th May 2013 NEW SPEC

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