Past Papers
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level BIOLOGY Paper 1 Multiple Choice October/November 2005 1 hour
Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended)
5090/01
READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the answer sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate answer sheet. Read the instructions on the answer sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet.
This document consists of 19 printed pages and 1 blank page.
IB05 11_5090_01/2RP UCLES 2005
[Turn over
2 1 The diagram shows a plant cell. Which labelled structure controls the passage of substances into and out of the cell?
A
B
C
D
2
The diagram shows a root hair, surrounded by a dilute solution of mineral ions. dilute solution of mineral ions
concentrated solution of mineral ions
Which statement is correct? A B C D Water molecules move into the root hair because their concentration is lower inside. Water molecules move into the root hair because their concentration is lower outside. Water molecules move out of the root hair because their concentration is lower inside. Water molecules move out of the root hair because their concentration is lower outside.
© UCLES 2005
5090/01/O/N/05
3 3 Which graph shows how an enzyme catalysed reaction in the alimentary canal varies with temperature?
A
B
rate
rate
0 10 20 30 40 50 60 70 temperature / oC C
0 10 20
Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended)
5090/01
READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the answer sheet in the spaces provided unless this has been done for you. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate answer sheet. Read the instructions on the answer sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet.
This document consists of 19 printed pages and 1 blank page.
IB05 11_5090_01/2RP UCLES 2005
[Turn over
2 1 The diagram shows a plant cell. Which labelled structure controls the passage of substances into and out of the cell?
A
B
C
D
2
The diagram shows a root hair, surrounded by a dilute solution of mineral ions. dilute solution of mineral ions
concentrated solution of mineral ions
Which statement is correct? A B C D Water molecules move into the root hair because their concentration is lower inside. Water molecules move into the root hair because their concentration is lower outside. Water molecules move out of the root hair because their concentration is lower inside. Water molecules move out of the root hair because their concentration is lower outside.
© UCLES 2005
5090/01/O/N/05
3 3 Which graph shows how an enzyme catalysed reaction in the alimentary canal varies with temperature?
A
B
rate
rate
0 10 20 30 40 50 60 70 temperature / oC C
0 10 20