Examen
GCSE EDEXCEL June 2024 Higher Triple Science Biology Paper 2
- Grado
- Institución
Actual Exam Paper for GCSE EDEXCEL 2024 Higher Tier Triple Science Biology Paper 2.
[Mostrar más]Vista previa 3 fuera de 28 páginas
Vista previa 3 fuera de 28 páginas
Añadir al carrito
Añadir al carrito
6 reseñas
Por: galesprout • 6 meses hace
Por: premiumpapers • 6 meses hace
Thanks for your purchase!
Por: christianjosephbenedict • 7 meses hace
Por: premiumpapers • 7 meses hace
Thanks for your purchase
Por: abrown97012 • 7 meses hace
Por: premiumpapers • 7 meses hace
Thank u for your purchase!
Por: missmaiaminnie • 7 meses hace
Por: premiumpapers • 7 meses hace
Thanks for your purchase
Por: shabanasyed20 • 7 meses hace
Por: premiumpapers • 7 meses hace
Thanks
Por: samirarahman1 • 8 meses hace
Por: premiumpapers • 8 meses hace
Thank you for your purchase !
Vendedor
Seguir
premiumpapers
Comentarios recibidos
Vista previa del contenido
Please check the examination details below before entering your candidate informationCandidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 9 June 2023
Afternoon (Time: 1 hour 45 minutes) Paper
reference 1BI0/2H
Biology
PAPER 2
Higher Tier
You must have: Total Marks
Ruler, calculator
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 100.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• structure
In questions 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.
• Check your answers if you have time at the end.
Turn over
P72629A
©2023 Pearson Education Ltd.
N:1/1/1/
*P72629A0128*
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 Figure 1 shows a stream flowing near a fertiliser factory.
The factory burns coal as a source of energy.
The factory releases waste into the stream and sulfur dioxide into the air.
Samples of water were taken at five points, A, B, C, D and E, as shown on Figure 1.
direction of water as it
flows downstream
fertiliser factory
D
E
C
A B
Figure 1
Figure 2 shows the oxygen concentration in the water at the five points along
the stream.
oxygen concentration
point along stream
(ppm)
A 1.5
B 2.7
C 3.4
D 4.4
E 4.5
Figure 2
2
*P72629A0228*
, (a) (i) Calculate how many times greater the oxygen concentration is at point E than
at point A.
(1)
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
............................................... times greater
(ii) State how the oxygen concentration changes from point A to point E.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
(iii) Which indicator species would be most likely to be seen in the water
at point A?
(1)
A freshwater shrimp
B lichen
C sludgeworm
D stonefly
(iv) Explain where the biodiversity will be highest in the stream.
(3)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
3
*P72629A0328* Turn over
Los beneficios de comprar resúmenes en Stuvia estan en línea:
Garantiza la calidad de los comentarios
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Compra fácil y rápido
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Enfócate en lo más importante
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable. Así llegas a la conclusión rapidamente!
Preguntas frecuentes
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.
100% de satisfacción garantizada: ¿Cómo funciona?
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller premiumpapers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for 6,18 €. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
45,681 summaries were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now