biology pastpaper igcse summer 2007
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s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education
Advanced Subsidiary Level and Advanced Level
*8210040505*
9700/02
BIOLOGY
Paper 2 Structured Questions AS
October/November 2007
1 hour 15 minutes
Candidates answer on the Question Paper.
No Additional Materials are required.
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name in the spaces provided at the top of this page.
Write in dark blue or black pen.
You may use a soft pencil for any diagrams, graphs or rough working.
Do not use staples, paper clips, highlighters, glue or correction fluid.
DO NOT WRITE ON ANY BARCODES.
Answer all questions.
At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.
For Examiner’s Use
1
2
3
4
5
6
Total
This document consists of 13 printed pages and 3 blank pages.
SP (NF/CGW) T26890/4
© UCLES 2007
[Turn over
2
Answer all the questions.
1
Fig. 1.1 shows a bacterial cell dividing by binary fission.
magnification = x 37 500
Fig. 1.1
© UCLES 2007
9700/02/O/N/07
For
Examiner’s
Use
3
(a) With reference to Fig. 1.1, state three structural features of prokaryotic cells that are not shown by eukaryotic cells.
For
Examiner’s
Use
1 .......................................................................................................................................
2 .......................................................................................................................................
3 ...................................................................................................................................[3]
(b) Plant cells divide by mitosis, not by binary fission.
(i)
State three roles of mitosis in plants.
1
w ap eP
m
e tr .X
w om .c
s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education
Advanced Subsidiary Level and Advanced Level
*8210040505*
9700/02
BIOLOGY
Paper 2 Structured Questions AS
October/November 2007
1 hour 15 minutes
Candidates answer on the Question Paper.
No Additional Materials are required.
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name in the spaces provided at the top of this page.
Write in dark blue or black pen.
You may use a soft pencil for any diagrams, graphs or rough working.
Do not use staples, paper clips, highlighters, glue or correction fluid.
DO NOT WRITE ON ANY BARCODES.
Answer all questions.
At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.
For Examiner’s Use
1
2
3
4
5
6
Total
This document consists of 13 printed pages and 3 blank pages.
SP (NF/CGW) T26890/4
© UCLES 2007
[Turn over
2
Answer all the questions.
1
Fig. 1.1 shows a bacterial cell dividing by binary fission.
magnification = x 37 500
Fig. 1.1
© UCLES 2007
9700/02/O/N/07
For
Examiner’s
Use
3
(a) With reference to Fig. 1.1, state three structural features of prokaryotic cells that are not shown by eukaryotic cells.
For
Examiner’s
Use
1 .......................................................................................................................................
2 .......................................................................................................................................
3 ...................................................................................................................................[3]
(b) Plant cells divide by mitosis, not by binary fission.
(i)
State three roles of mitosis in plants.
1