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Pearson Edexcel International Advanced Level Biology Paper reference International Advanced Subsidiary/Advanced Level UNIT 2: Cells, Development, Biodiversity and Conservation QP MAY 2024 $12.99   Add to cart
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Pearson Edexcel International Advanced Level Biology Paper reference International Advanced Subsidiary/Advanced Level UNIT 2: Cells, Development, Biodiversity and Conservation QP MAY 2024
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Pearson Edexcel International Advanced Level Biology Paper reference International Advanced Subsidiary/Advanced Level UNIT 2: Cells, Development, Biodiversity and Conservation QP MAY 2024

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


Centre Number Candidate Number




Pearson Edexcel International Advanced Level
Friday 17 May 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.
• Show all your working in calculations and include units where appropriate.
Information

•• The total mark for this paper is 80.
The marks for each question are shown in brackets

• Into the
– use this as a guide as to how much time to spend on each question.
question 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.
Pearson Edexcel International Advanced Level Biology Paper reference International Advanced
Subsidiary/Advanced Level UNIT 2: Cells, Development, Biodiversity and Conservation QP MAY 2024
Turn over


P75772A
©2024 Pearson Education Ltd.
F:1/1/1/1/1/1

, Answer ALL questions.
Write your answers in the space provided.




DO NOT WRITE IN THIS AREA
Some questions must be answered with a cross in the 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 A plant contains several types of cells, tissues and organs.
(a) State what is meant by the term organ.
(1)

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



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


(b) The photograph shows part of a cell.




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Y




X

© Jose Calvo / Alamy Stock Photo

(i) Which organelle is labelled X?
(1)
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A chloroplast

B endoplasmic reticulum
C Golgi apparatus

D plasmodesmata




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, (ii) The organelle surrounded by the membrane labelled Y contains the nucleolus.

Give the name and function of the organelle that contains the nucleolus.
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(1)

Name . . . . . .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . ... . .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. . .. . . . .. .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . . . . .. ....



Function . . . . . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. ... . .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. . .. .. . .. .. . . . . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. ... . .. . .. .. . .. .. . .. .. . .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. . .. .. . .



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



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


(iii) Which of the following are functions of the nucleolus?
1. production of ribosomes

2. synthesis of DNA

3. synthesis of RNA
(1)
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A 1 and 2 only
B 1 and 3 only

C 2 and 3 only
D 1, 2 and 3

(iv) Organisms can be classified into three domains.

State which of the three domains would contain an organism with
the organelles X and Y.
(1)

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




3
🞍 🞍 🞍 🞍 Turn over

, (c) The drawing shows tubers of a potato plant developing below the surface of
the soil.




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surface of soil




tuber




Organic molecules are transported through the potato plant to the
developing tubers.




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These molecules can be used to form starch molecules.
(i) Which structure in the cells of these tubers would store starch molecules?
(1)
A amyloplast

B chloroplast

C middle lamella
D vacuole

(ii) Explain how the structure of starch enables the potato tubers to have a high
energy content.
(2)

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



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



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



(Total for Question 1 = 8 marks)




4
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