Pearson Edexcel GCE In Biology B (9BI0/02) Paper 2: Advanced Physiology, Evolution and Ecology QP & MS June 2024

Pearson Edexcel GCE In Biology B (9BI0/02)
Paper 2: Advanced Physiology, Evolution
and Ecology QP & MS June 2024

, surname names



Number Number




Morning (Time: 1 hour 45 minutes) Paper


B ■ ■


Advanced
PAPER 2: Advanced Physiology, Evolution and Ecology




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P7 8664A
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F:1/1/1/1/1/1/

, Answer ALL questions.

Some questions must be answered with a cross in a box . If you change your mind about an




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answer, put a line through the box and then mark your new answer with a cross .
1 The photograph shows part of a root tip cell, as seen with an electron microscope.




P
Q


X Y
S




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R



(Source: © BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY)

(a) (i) Which of the following structures is surrounded by a tonoplast?
(1)
A P

B Q

C R
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D S


(ii) In which of the following structures does the process of translation occur?
(1)
A P

B Q

C R
D S



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, (iii) How many of the labelled structures in this cell will be present in a cell of an
organism in the domain Archaea?
(1)
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A 0

B 1

C 2

D 3


(b) The width of structure P, measured between X and Y, is 36 μm.

Calculate the magnification of this photograph.
Give your answer in standard form.
(2)
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Answer ..............................................................
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