GCSE Biology Question paper Paper 1 June 2018 - Elevise
Please write clearly in block capitals.
Centre number
Surname Forename(s) Candidate signature
Candidate number
GCSE BIOLOGY
Higher Tier Paper 1H
H
Tuesday 15 May 2018
Afternoon Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: ? a ruler ? a scientific calculator.
Instructions ? Use black ink or black ball-point pen. ? Fill in the boxes at the top of this page. ? Answer all questions in the spaces provided. ? Do all rough work in this book. Cross through any work you do not want
to be marked. ? In all calculations, show clearly how you work out your answer.
Information ? There are 100 marks available on this paper. ? The marks for questions are shown in brackets. ? You are expected to use a calculator where appropriate. ? You are reminded of the need for good English and clear presentation
in your answers.
For Examiner's Use
Question 1 2 3 4 5 6 7
Mark
TOTAL
*JUN1884611H01*
IB/M/Jun18/E8
8461/1H
2 There are no questions printed on this page
Do not write outside the
box
DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED
*02*
IB/M/Jun18/8461/1H
3
0 1
Eating food containing Salmonella bacteria can cause illness.
0 1 . 1 Two symptoms of infection by Salmonella are vomiting and diarrhoea.
What causes these symptoms?
Do not write outside the
box
[1 mark]
0 1.2
Give two ways a person with a mild infection of Salmonella can help prevent the spread of the bacteria to other people.
[2 marks]
1
2
0 1 . 3 In very serious infections of Salmonella, a doctor can prescribe drugs to kill the bacteria.
What type of drug can the doctor prescribe to kill the bacteria?
[1 mark]
0 1 . 4 A person with AIDS may take longer than a healthy person to recover from a Salmonella infection.
Explain why.
[2 marks]
*03*
Turn over
IB/M/Jun18/8461/1H
4
0 1 . 5 Salmonella bacteria can be transmitted from chickens to humans. Chickens can be vaccinated to prevent the transmission of Salmonella bacteria to humans.
Do not write outside the
box
Suggest one other way farmers could prevent the transmission of Salmonella from chickens to humans.
[1 mark]
A restaurant owner employed a scientist to test the effectiveness of two kitchen cleaning liquids.
The scientist took samples from two work surfaces: ? before the surfaces had been cleaned with the cleaning liquids ? after the surfaces had been cleaned with the cleaning liquids.
The samples were then analysed for the number of bacteria they contained.
The results are shown in Figure 1.
Figure 1
*04*
IB/M/Jun18/8461/1H
5
0 1 . 6 Which cleaning liquid is the more effective? Give a reason for your answer.
Cleaning Liquid Reason
Do not write outside the
box
[1 mark]
Question 1 continues on the next page
*05*
Turn over
IB/M/Jun18/8461/1H
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- biology 9700 23 may june 2018 gce guide
- mark scheme results revision science
- 11590 01 ms gce biology aby21 summer 2018 ccea
- gce biology b 8bi0 01 8bi0 01 revisely
- mark scheme results revisely
- biology gce guide
- ocr biology f212 past papers
- 11582 01 ms as biology sby21 summer 2018 council for the curriculum
- gcse biology question paper paper 1 june 2018 elevise
Related searches
- 11th question paper 2018 2019
- biology paper 1 cxc
- csec biology paper 1 solutions
- grade 9 june 2011 paper 1 memorundum
- geography paper 1 may june 2018
- gcse biology past question paper
- kcse biology paper 1 2019
- chemistry paper 1 2018 to 2020
- maths gcse paper 1 higher
- a level physics answer paper 1 june 2017
- gcse chemistry ocr paper 1 2021
- aqa gcse english language paper 1 2021