Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)
Description: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)
Description: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
Please check the examination details below before entering your candidate information
Candidate surname
Centre Number
Other names
Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 16 May 2023
Morning (Time: 1 hour 45 minutes)
Paper
reference
Biology
1BI0/1H
PAPER 1
Higher Tier
You must have:
Ruler, calculator
Total Marks
Instructions
Use black ink or ball-point pen
...
Answer all questions
...
Information
The total mark for this paper is 100
...
the questions marked with an asterisk (*), marks will be awarded for your
• Inability
to structure your answer logically, showing how the points that you make
are related or follow on from each other where appropriate
...
•
Try to answer every question
...
Turn over
P72627A
©2023 Pearson Education Ltd
...
Figure 1 shows a bomb calorimeter
...
The food sample is burnt and the temperature rise of the water is measured
...
(2)
...
...
2
*P72627A0232*
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
...
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Answer ALL questions
...
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
(ii) The energy content of the food is calculated using the equation:
energy content (J/g) =
mass of water (g) × temperature rise (°C) × 4
...
The mass of water was 1 000 g, the temperature rise was 69
...
7 g
...
2 °C
...
(1)
...
Explain why a bomb calorimeter gives a more accurate value than this equipment
for the energy content of a food sample
...
...
...
...
(Total for Question 1 = 7 marks)
4
*P72627A0432*
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Figure 2
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
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
2 (a) Name the type of reproduction that produces genetically identical organisms
...
(b) Grafting is a technique used to grow some varieties of apple tree
...
grafted apple
tree shoots
rootstock
(Source: © ATTILA Barsan/Shutterstock)
Figure 3
Grafting can be used to produce apple trees that are genetically identical
...
(2)
advantage
...
...
...
*P72627A0532*
5
Turn over
(c) As apples ripen, enzymes convert starch into sugars
...
starch solution enzyme solution iodine solution
a range of pH solutions
(4)
...
...
...
...
...
...
Explain why this enzyme would not work at pH 10
...
...
...
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
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
3 Figure 4 shows colonies of bacteria growing on an agar plate
...
Every time bacteria reproduce, the number of bacteria in each colony doubles
...
(2)
...
(i) State the meaning of the term pathogen
...
...
(2)
...
...
005 mm long
...
The bacterium in the drawing is 80 mm long
...
(2)
magnification =
...
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
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
4 Figure 5 shows a chart used by opticians to test a person’s vision
...
legally blind
below average vision
normal vision
Figure 5
(a) (i) An optician tested the eyesight of 240 people
...
The rest of the people need glasses to correct their vision
...
(3)
...
Give one reason why people are short-sighted
...
...
Figure 6 shows what a person with normal vision and a person with cataracts
can see for the top letter on the optician’s chart
...
(2)
...
...
(ii) State the treatment for cataracts
...
*P72627A01132*
11
Turn over
(c) Figure 7 shows the structure of the brain
...
Describe how messages are sent from the brain to muscles
...
...
...
structure A
structure B
Figure 8
(i) Which row of the table shows the functions of structure A and structure B?
function of structure A
function of structure B
A
releases energy
contains the genetic material
B
produces glucose
contains digestive enzymes
C
releases energy
contains digestive enzymes
D
produces glucose
contains the genetic material
(1)
(ii) The diploid chromosome number for a mouse is 40
...
(1)
...
(i) Which is the correct order for the stages of one cell division?
(1)
A
metaphase → prophase → anaphase → telophase
B
prophase → metaphase → anaphase → telophase
C
anaphase → prophase → metaphase → telophase
D
prophase → anaphase → metaphase → telophase
(ii) The genetically identical stem cells produce the cells that develop into
an embryo
...
(2)
...
...
14
*P72627A01432*
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
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
(c) Scientific research has made many discoveries and developments allowing stem
cells to be used in medical treatments
...
1963 discovery
of stem cells in
bone marrow
1968 bone marrow
transplant from a
sister to her brother
1981 mouse
embryonic stem
cells isolated
2006 cells with
embryonic stem cell
properties produced
from adult body cells
1998 human
embryonic stem
cells isolated
2014 cells that make
insulin produced by
generating stem cells
from skin cells
2009 embryonic
stem cells used to
treat spinal injury
Figure 9
(i) Give one scientific reason why the bone marrow transplant in 1968 was from
a sister to her brother
...
...
(1)
...
*P72627A01532*
15
Turn over
(3)
...
...
...
...
(Total for Question 5 = 10 marks)
16
*P72627A01632*
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Discuss the benefits of using these stem cells to treat the patient
...
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
BLANK PAGE
Turn over
*P72627A01732*
17
(Source: © Ildiko Laskay/Shutterstock)
Figure 10
Restoration of the habitats has led to the birds returning to the UK
...
This allows the numbers of male bitterns to be counted
...
(i) Calculate the percentage increase in the number of males from 1997 to 2021
...
%
The bitterns are difficult to see in the reeds of the wetland habitat
...
(1)
...
...
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
6 (a) In the 19th century the destruction of wetland habitats caused the extinction of
the bittern in the UK
...
This could make them susceptible to extinction
...
(3)
...
...
...
...
(b) Describe how selective breeding can be used to produce a large population of
animals that are not closely related
...
...
...
*P72627A01932*
19
Turn over
(c) Sex determination in birds is different from humans
...
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Males are homozygous Z and females are heterozygous ZW
...
(a) A farmer found lesions on crop plants growing in one of their fields
...
lesions
(Source: © nang nang/Shutterstock)
Figure 11
*(i) Discuss how the cause of the lesions and their spread through the crops could
be investigated
...
(6)
...
...
...
...
...
...
...
*P72627A02132*
21
Turn over
(ii) The farmer decides to dig up the affected crop plants
...
...
The RNA is copied by the infected host cell and acts as a mRNA molecule
...
(4)
...
...
...
...
...
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
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
8 A student investigated the movement of water in potatoes
...
The size of a cube is shown in Figure 12
...
Include the units in your answer
...
*P72627A02332*
23
Turn over
Figure 13 shows the student’s results
...
95
1
...
95
0
...
94
0
...
(1)
...
...
(3)
...
...
...
24
*P72627A02432*
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
The cubes were left for 20 minutes
...
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
(iv) The student wanted to find the concentration of salt solution where the
potato cube did not change mass
...
(3)
...
...
...
...
(2)
...
...
(Total for Question 8 = 11 marks)
*P72627A02532*
25
Turn over
(2)
...
...
...
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
9 (a) A person’s mass is partially influenced by the alleles they inherit from
their parents
...
The guidance used by the doctor is also listed in Figure 14
...
85
<0
...
9 abdominal obesity
3–4 units per day
<14 units per week
0
do not smoke or vape
Figure 14
Comment on the data and the health risks to this patient
...
...
...
...
...
...
...
...
...
...
...
...
...
...
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
*(c) The doctor also tested the reaction time of the patient
...
(i) Describe the phenotype of a male with the genotype XhY
...
...
Use the letters H and h for the alleles
...
(i) Describe how a mutation in the non-coding region of a gene can lead to the
production of less protein
...
...
...
C
a mutation in the coding region of a gene changes the shape of the
tRNA molecule
...
(c) Monoclonal antibodies can be used in the diagnosis of genetic disorders and
pregnancy testing
...
(4)
...
...
...
...
...
(Total for Question 10 = 11 marks)
TOTAL FOR PAPER = 100 MARKS
30
*P72627A03032*
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
A
a mutation in the coding region of a gene changes the sequence of
the amino acids
Title: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)
Description: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)
Description: GCSE EDEXCEL BIOLOGY May 2023 - PAPER 1 Higher Tier Question Paper (1BI0/1H)