100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Previously searched by you
Previously searched by you
logo
  • AQA A Level Biology
  • AQA A Level Biology
To add items to your wishlist, you must be logged in
Exam (elaborations)

AQA A Level Biology Exam Questions Paper 1

Rating
-
Sold
-
Pages
13
Grade
A+
Uploaded on
25-11-2025
Written in
2025/2026

AQA A Level Biology Exam Questions Paper 1 AQA A Level Biology Exam Questions Paper 1

Institution
AQA A Level Biology
Course
AQA A Level Biology









Whoops! We can’t load your doc right now. Try again or contact support.
Report Copyright Violation

Written for

Institution
AQA A Level Biology
Course
AQA A Level Biology

Document information

Uploaded on
November 25, 2025
Number of pages
13
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

Content preview

AQA A LEVEL BIOLOGY
EXAM QUESTIONS
PAPER 1

Describethechemicalreactionsinvolvedintheconversionofpolymerstomonomersandmonomer
stopolymers.Givetwonamedexamplesofpolymersandtheirassociatedmonomerstoillustrateyo
uranswer.-CORRECTANSWERS-MONOMERSTOPOLYMERS

-Condensationreaction

-Waterisreleasedtoformbondbetweenthemonomers

-e.g.Alphaglucosemoleculesarebondedtogetherwithglycosidicbondstoformstarch

POLYMERSTOMONOMERS

-Hydrolysisreaction

-Waterisusedtobreakthebondsbetweentheindividualmonomers

-e.g.thepeptidebondsinproteinsarehydrolysedtoformindividualaminoacids



Whatisamonomer?-CORRECTANSWERS-Smallunitsfromwhichpolymersaremade



Abiochemicaltestforreducingsugarsproducesanegativeresultwithraffinosesolution.Describea
biochemicaltesttoshowthatraffinosesolutioncontainsanon-reducingsugar.-
CORRECTANSWERS--AddHCl,shakeandheat

-Addsodiumbicarbonateandshaketoneutralisetheacid

-AddBenedict'ssolutionandheatgentlyinawaterbath

-Positiveresult=brickredprecipitate

, AprecipitateisproducedinapositiveresultforreducingsugarinaBenedict'stest.Astudentcarriedo
utaBenedict'stest.Suggestamethod,otherthanusingacolorimeter,thatthisstudentcouldusetom
easurethequantityofreducingsugarinasolution.-CORRECTANSWERS--Filteranddryprecipitate

-Findmass/weight



Glycogenandcellulosearebothcarbohydrates.Describeandexplaintwodifferencesbetweenthes
tructureofacellulosemoleculeandaglycogenmolecule.-CORRECTANSWERS--
Glycogenisapolymerofalphaglucosebutcelluloseisapolymerofbetaglucose

-Celluloseisastraightchainbutglycogenisbranched



Describeandexplaintwofeaturesofstarchthatmakeitagoodstoragemolecule.-
CORRECTANSWERS--Insolublesodoesn'taffectosmoticpotential

-Branchedsomoleculeiscompact



Describethestructureofglycogen-CORRECTANSWERS--Polysaccharideofalphaglucose

-Joinedbyglycosidicbonds



Suggesthowglycogenactsasasourceofenergy.Don'tincludetransportacrossmembranesinyoura
nswer.-CORRECTANSWERS--Hydrolysedtoglucose

-Glucoseusedinrespiration



Explainthedifferenceinthestructureofthestarchmoleculeandthecellulosemoleculeshowninthe
diagramabove-CORRECTANSWERS--Starchformedfromalpha-
glucosebutcelluloseisformedfrombeta-glucose

-Positionofhydrogenandhydroxylgroupsoncarbonatom1isinverted



Explainonewayinwhichstarchmoleculesareadaptedfortheirfunctioninplantcells-
CORRECTANSWERS--insolublesodoesn'taffectwaterpotential



Explainhowcellulosemoleculesareadaptedfortheirfunctioninplantcells-CORRECTANSWERS--
Long,straightchains
$11.49
Get access to the full document:
100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached
Get to know the seller
Seller avatar
StudySprint

Get to know the seller

Seller avatar
StudySprint Phoenix University
View profile
Follow You need to be logged in order to follow users or courses
Sold
1
Member since
6 months
Number of followers
0
Documents
53
Last sold
1 month ago
StudySprint: Accelerate Your Learning with Premium Study Guides & Resources

StudySprint** is your go-to hub for **high-impact study materials** designed to help you master coursework *faster* and *smarter*. Whether you\\\'re prepping for exams, tackling complex topics, or racing against deadlines, my meticulously crafted notes, summaries, and practice tools cut through the clutter to deliver **clarity, precision, and results**. ✨ **Why Choose StudySprint?** - **Concise & Comprehensive:** No-fluff summaries, flashcards, and diagrams tailored to your syllabus. - **Exam-Ready:** Practice questions, model answers, and insider tips for top grades. - **Time-Saving:** Spend less time organizing and more time understand

Read more Read less
0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Recently viewed by you

Thumbnail
Package deal
PACKAGE DEAL-::2025 OCR AS Level/A Level Law Exams| COMBINED QUESTION PAPER AND FINAL MARKING SCHEME
-
2025
$ 19.67 More info
Thumbnail
Class notes
College aantekeningen Organization Theory & Design (EBS003A05)
-
4 2021
€ 6,39 More info
Thumbnail
Summary
Didactiek 1
-
2021
€ 2,99 More info

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions