AS-Level Biology Paper 1
Predicted Paper 2023 attached with marking scheme
Name ……………………………………………………………………
Date …………………
1 hour 30 minutes allowed.
You may use a scientific calculator and a ruler with millimetre measuremen...
AQA
AS-Level Biology Paper 1
Predicted Paper 2023 attached with marking scheme
Name ……………………………………………………………………
Date …………………
1 hour 30 minutes allowed.
You may use a scientific calculator and a ruler with millimetre
measurements.
Grade boundaries Possible Marks
Question
marks gained
These are VERY rough guesses! Getting a 1 6
B on this paper does not guarantee you 2 9
the same mark in the exam. 3 6
4 5
5 13
A 60% 6 9
7 8
B 50%
8 9
C 40%
9 10
D 35% Total 75
E 30%
1
,As level biology ppr1 2023
2
, 01
The diagram below shows a molecule of glucose.
a) What disaccharide would two molecules of this monosaccharide
form when joined together?
[1 mark]
b) Name the bond that forms between two monosaccharides?
[1 mark]
c) Describe how this bond is formed.
[2 marks]
d) These monosaccharides can join to make the polysaccharide
amylopectin. Name and explain one feature that makes
amylopectin a good storage molecule.
[2 marks]
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller bestgradesA33. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £19.81. You're not tied to anything after your purchase.