Macbeth Desires

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Write your name here
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Centre Number

Candidate Number

Edexcel GCSE

Biology

Unit B2: The Components of Life
Higher Tier
Additional Sample Assessment Material
Time: 1 hour
You must have:
Calculator, Ruler

Paper Reference

5BI2H/01
Total Marks

Instructions

se b
ink or
• Uill inlack boxesball-point pen. page with your name,
F
the
a the top of this
• centre number andt candidate number.
nswer all uestions.
• Answer theqquestions in the spaces provided
• A there may be more space than you need.


Information

paper
• The total markefor thisuestion is 60.shown in brackets
ach q
are
• Thesemarks forguide as to how much time to spend on each question. – u this as a
Questions labelled with an sterisk (*)
• written communication willabe assessedare ones where the quality of your – you should take particular care with your spelling, punctuation and grammar, as well as the clarity of expression, on these questions.

Advice

Read
carefully
• Keep each questiontime. before you start to answer it.
• Try toan eye on the question.
• Checkanswer every if you have time at the end.
• your answers

S39593A
©2012 Edexcel Limited.

6/8/8/2/

*S39593A0116*

Turn over

Answer ALL questions
Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . Blood
1 (a) Blood is described as a tissue.
State the meaning of the term tissue.

(1)

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

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

(b) The photograph shows a blood smear from a healthy person. Z
X
Y

(i)
X

Name the two types of blood cells, X and Y, shown in the photograph.

(2)

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

Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (ii) Complete the sentence by putting a cross ( ) in the box next to your answer.

The function of the cells labelled X is to
A engulf bacteria
B produce antigens
C transport carbon dioxide
D transport oxygen

2

*S39593A0216*

(1)

(iii) Measure the diameter of the cell labelled Z.

(1)

diameter = . ................................. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . mm (iv) The cell labelled Z is magnified × 900.
Calculate the actual diameter of the cell labelled Z.

actual diameter =

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