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
Edexcel as level biology question paper 1 ju ne 2023 + mark scheme $8.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. Edexcel As Level Biology
  4.  
  5. Edexcel as level biology

Exam (elaborations)

Edexcel as level biology question paper 1 ju ne 2023 + mark scheme
 39 views  3 purchases
  • Course
  • Edexcel as level biology
  • Institution
  • Edexcel As Level Biology

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Biology B (8BI0) Paper 01: Core Cellular Biology and MicrobiologyEdexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications includin...

[Show more]

Preview 4 out of 52  pages

Document information

  • January 15, 2024
  • 52
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • edexcel as level biology question paper 1 ju ne 20

Written for

  • Edexcel as level biology
  • Edexcel as level biology

Seller

avatar-seller
BESTSTUDYMATERIALS

Content preview

Edexcel as level biology question paper 1 ju
ne 2023 + mark scheme *P71924A0128*
Turn over P71924A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/1/Please check the examination details below before entering your candidate information Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Monday 15 May 2023
Morning (Time: 1 hour 30 minutes)8BI0/01Paperreference Total Marks Biology B
Advanced Subsidiary
PAPER 1: Core Cellular Biology and Microbiology
You must have:Scientific calculator, HB pencil, ruler
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 .• In question(s) marked with an asterisk (*), marks will be awarded for your ability to 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. *P71924A0228*
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
2
  Answer ALL questions.
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 Do
wn’s syndrome is a genetic condition. (a) Which r
ow in the table describes the cause of Down’s syndrome?
(1) A B C D Type of mutation Result of non‑disjunction
chromosome monosomy
chromosome polysomy
gene monosomy
gene polysomy (b) The g
raph shows the effect of the age of the mother and the order in which babies are born in a family (birth order) on the incidence of Down’s syndrome.
1 2 3 4 51000
800
600400200
040+
35–39
30–34
25–29
20–24
<20
Birth orderIncidence of Down’s syndrome per 100 000 live bir
thsAge group of mother *P71924A0328* Turn over 3
  DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA Determine the effects of birth order and age of the mother on the incidence of D
own’s syndrome.
(3)
....................................................................................................................................................................................................................................................................................
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
(Total for Question 1 = 4 marks)

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 BESTSTUDYMATERIALS. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73314 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
$8.99  3x  sold
  • (0)
  Add to cart