BIOLOGY
Paper 1
7402/1
Time allowed: 2 hours
At the top of the page, write your surname and other names, your centre number, your candidate number and add
your signature.
[Turn over] 2
For this paper you must have:
a ruler with millimetre measurements
a scientific calculator.
INSTRUCTIONS
Use black ink or black ball-point pen.
Answer ALL questions.
You must answer the questions in the spaces provided. Do not write on blank pages.
If you need extra space for your answer(s), use the lined pages at the
end of this book. Write the question number against your answer(s).
Show all your working.
Do all rough work in this book. Cross through any work you do not want to be marked. 3
*03
*INFORMATION
The marks for the questions are shown
in brackets.
The maximum mark for this paper is 91.
DONOT TURN OVER UNTIL TOLD TO
DOSO 4
*04
*Answer ALL questions in the spaces
provided.
01.1
Describe the structure and function of
the nucleus. [4 marks]