Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
BIOLOGY
Higher Tier Paper 1H
H
Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided.
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 100.
• 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.
*JUN2284611H01*
IB/M/Jun22/E20 8461/1H
, 2
Do not write
outside the
There are no questions on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
*02*
IB/M/Jun22/8461/1H
, 3
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about cells and transport.
0 1 . 1 Complete Table 1.
[3 marks]
Table 1
Name of cell part Function of cell part
Contains genetic information
Mitochondria
Controls the movement of substances into and
out of the cell
Cells in potatoes are plant cells.
Cells in potatoes do not contain chloroplasts.
0 1 . 2 What is the function of chloroplasts?
[1 mark]
0 1 . 3 Name one type of cell in a potato plant that does not contain chloroplasts.
[1 mark]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/8461/1H
, 4
Do not write
outside the
A student investigated the effect of salt concentration on pieces of potato. box
This is the method used.
1. Cut three pieces of potato of the same size.
2. Record the mass of each potato piece.
3. Add 150 cm3 of 0.4 mol/dm3 salt solution to a beaker.
4. Place each potato piece into the beaker.
5. After 30 minutes, remove each potato piece and dry the surface with a paper towel.
6. Record the mass of each potato piece.
7. Repeat steps 1 to 6 using different concentrations of salt solution.
0 1 . 4 What is the independent variable in the investigation?
[1 mark]
Tick () one box.
Concentration of salt solution
Mass of potato piece
Time potato is left in salt solution
Volume of salt solution
0 1 . 5 Why did the student dry the surface of each potato piece with a paper towel
in step 5?
[1 mark]
*04*
IB/M/Jun22/8461/1H
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
BIOLOGY
Higher Tier Paper 1H
H
Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided.
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 100.
• 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.
*JUN2284611H01*
IB/M/Jun22/E20 8461/1H
, 2
Do not write
outside the
There are no questions on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
*02*
IB/M/Jun22/8461/1H
, 3
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about cells and transport.
0 1 . 1 Complete Table 1.
[3 marks]
Table 1
Name of cell part Function of cell part
Contains genetic information
Mitochondria
Controls the movement of substances into and
out of the cell
Cells in potatoes are plant cells.
Cells in potatoes do not contain chloroplasts.
0 1 . 2 What is the function of chloroplasts?
[1 mark]
0 1 . 3 Name one type of cell in a potato plant that does not contain chloroplasts.
[1 mark]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/8461/1H
, 4
Do not write
outside the
A student investigated the effect of salt concentration on pieces of potato. box
This is the method used.
1. Cut three pieces of potato of the same size.
2. Record the mass of each potato piece.
3. Add 150 cm3 of 0.4 mol/dm3 salt solution to a beaker.
4. Place each potato piece into the beaker.
5. After 30 minutes, remove each potato piece and dry the surface with a paper towel.
6. Record the mass of each potato piece.
7. Repeat steps 1 to 6 using different concentrations of salt solution.
0 1 . 4 What is the independent variable in the investigation?
[1 mark]
Tick () one box.
Concentration of salt solution
Mass of potato piece
Time potato is left in salt solution
Volume of salt solution
0 1 . 5 Why did the student dry the surface of each potato piece with a paper towel
in step 5?
[1 mark]
*04*
IB/M/Jun22/8461/1H
