100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Pearson Edexcel Level 3 GCE Advanced PAPER 2: Advanced Physiology, Evolution and Ecology QP JUNE 2024 $13.49   Add to cart
Quickly navigate to
Preview
  2.  
  3. Pearson Edexcel
  4.  
  5. Pearson Edexcel

Exam (elaborations)

Pearson Edexcel Level 3 GCE Advanced PAPER 2: Advanced Physiology, Evolution and Ecology QP JUNE 2024
 2 views  0 purchase
  • Course
  • Pearson Edexcel
  • Institution
  • Pearson Edexcel

Pearson Edexcel Level 3 GCE Advanced PAPER 2: Advanced Physiology, Evolution and Ecology QP JUNE 2024

Preview 4 out of 40  pages

Document information

  • September 7, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • pearson edexcel level 3 gce advanced paper 2 adva

Written for

  • Pearson Edexcel
  • Pearson Edexcel

Seller

avatar-seller
papersbybree

Reviews received

Content preview

Please check the examination details below before entering your candidate information
Candidate surname Other names


Centre Number Candidate Number




Pearson Edexcel Level 3 GCE
Friday 14 June 2024
Morning (Time: 1 hour 45 minutes) Paper
reference 9BI0/02
Biology B 🞍 🞍


Advanced
PAPER 2: Advanced Physiology, Evolution and Ecology

You must have: Total Marks
Scientific calculator, HB pencil, ruler

Pearson Edexcel Level 3 GCE Advanced PAPER 2: Advanced Physiology, Evolution and Ecology QP JUNE
2024
Instructions

•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.

Information

•• The total mark for this paper is 90.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
question(s) marked with an asterisk (*), marks will be awarded for your ability to
your answer logically showing how the points that you make are related or
follow on from each other where appropriate.

Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check

Turn over


P78664A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1/

, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an




DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 The photograph shows part of a root tip cell, as seen with an electron microscope.




P
Q



X Y
S




DO NOT WRITE IN THIS AREA
R



(Source: © BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY)

(a) (i) Which of the following structures is surrounded by a tonoplast?
(1)
A P
B Q

C R
DO NOT WRITE IN THIS AREA

D S


(ii) In which of the following structures does the process of translation occur?
(1)
A P
B Q

C R

D S



2
🞍🞍🞍🞍

, (iii) How many of the labelled structures in this cell will be present in a cell of an
organism in the domain Archaea?
(1)
DO NOT WRITE IN THIS AREA




A 0

B 1

C 2
D 3


(b) The width of structure P, measured between X and Y, is 36 μm.

Calculate the magnification of this photograph.

Give your answer in standard form.
(2)
DO NOT WRITE IN THIS AREA




Answer . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ... .. .. .. .. .. ..
DO NOT WRITE IN THIS AREA




3
🞍🞍🞍🞍 Turn over

, (c) Some plants have adaptations that prevent them being eaten by animals.
Sorghum is a plant that stores a substance called dhurrin inside leaf cells in the




DO NOT WRITE IN THIS AREA
structures labelled S in the photograph.

Dhurrin is broken down by the enzyme glucosidase to release hydrogen cyanide.

Glucosidase is stored within the chloroplasts of leaf cells.
Hydrogen cyanide inhibits aerobic respiration.
Explain why dhurrin is stored within structure S, and glucosidase is stored
separately in the chloroplasts.
(2)

. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .



. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .



. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .




DO NOT WRITE IN THIS AREA
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .



. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . . . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . ... . . .. . .. . .. .



(Total for Question 1 = 7 marks)




DO NOT WRITE IN THIS AREA




4
🞍🞍🞍🞍

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

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 papersbybree. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart