100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Pearson Edexcel AS/ A-Level Biology UNIT 2: Cells, Development, Biodiversity and Conservation January 2024 Authentic Marking Scheme Attached $10.60   Add to cart

Exam (elaborations)

Pearson Edexcel AS/ A-Level Biology UNIT 2: Cells, Development, Biodiversity and Conservation January 2024 Authentic Marking Scheme Attached

1 review
 37 views  1 purchase
  • Course
  • Institution

Pearson Edexcel AS/ A-Level Biology UNIT 2: Cells, Development, Biodiversity and Conservation January 2024 Authentic Marking Scheme Attached

Preview 4 out of 64  pages

  • April 13, 2024
  • 64
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

1  review

review-writer-avatar

By: mak82004 • 5 months ago

reply-writer-avatar

By: StudyTimeOT • 5 months ago

Thank you so much for your positive review and for your purchase!

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


Centre Number Candidate Number




Pearson Edexcel International Advanced Level
Monday 15 January 2024
Morning (Time: 1 hour 30 minutes) Paper
reference WBI12/01
Biology  


International Advanced Subsidiary/Advanced Level
UNIT 2: Cells, Development, Biodiversity
and Conservation

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



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 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Into questions labelled with an asterisk (*) marks will be awarded for your ability
structure 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.
• Check your answers if you have time at the end.
Turn over


P75590A
©2024 Pearson Education Ltd.
S:1/1/1/1/1/1/1/1/
*P75590A0136*

, Answer ALL questions.

Write your answers in the space provided.




DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .

1 Plants contain tissues involved in the transport of substances.
The diagram shows a sunflower plant.




height of
sunflower plant

height of
person = 1.6 m




(a) Estimate the height of the sunflower, using the information in the diagram.
Give your answer with appropriate units.
(1)




Answer ......................... ............... . . . . . . . . . . . . . . . . . . . . . .




2
*P75590A0236* 

, (b) The photograph shows a structure that would be found in a sunflower plant.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA




structure X




(Source: © Dr. Richard Kessel and Dr. Gene Shih / Science Photo Library)

(i) Name the tissue that would contain structure X.
(1)

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



(ii) Describe how two structures in this tissue enable it to carry out its function.
(2)

Structure 1 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......................................................................................................................................................... . . . . . . . . . . . . . . . . . . . . .

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



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



Structure 2 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......................................................................................................................................................... . . . . . . . . . . . . . . . . . . . . .

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



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




3
 *P75590A0336* Turn over

, (c) The photograph shows some rings of lignin, as seen using a microscope.




DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(Source: © Science Photo Library / Alamy Stock Photo)

(i) Which of the following tissues contain lignin?
1. phloem
2. sclerenchyma
3. xylem
(1)
A 1 only

B 1 and 3 only
C 2 and 3 only

D 3 only




4



*P75590A0436* 

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 StudyTimeOT. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.60. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79223 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

Recently viewed by you


$10.60  1x  sold
  • (1)
  Add to cart