Page 20 - ACE YR IGCSE A TOP APPROACH TO BIO

(b) Given that the magnification of the diagram is ×16000, what is the actual diameter of the
red blood cell? Show your calculation.

[3]
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(c) The diagram shows a chart of the level of organisation. Complete the missing part.

Cell Tissue Organism

[2]
[Total: 6]
8 Fig. 8.1 shows a root hair cell.

B
C
A

Fig. 8.1
(a) Name the cell structures A, B and C.

A: [1]

B: [1]

C: [1]

(b) State two ways in which the root hair cells are adapted to carry out their function.

[2]

(c) State one significant difference between the structure of a root hair cell and a palisade
mesophyll cell.

[1]
[Total: 6]

Cambridge IGCSE
TM
18 Ace Your Biology

Chapter 2.indd 18 30/03/2022 3:08 PM