aqa past paper
Centre Number
For Examiner’s Use
Candidate Number
Surname
Other Names
Examiner’s Initials
Candidate Signature
Question
General Certificate of Secondary Education
Higher Tier
June 2012
Additional Science
BL2HP
H
Unit Biology B2
Biology
Unit Biology B2
Monday 21 May 2012
Mark
1
2
3
4
5
6
7
TOTAL
9.00 am to 10.00 am
For this paper you must have:
a ruler.
You may use a calculator.
Time allowed
1 hour
Instructions
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page.
Answer all questions.
You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages.
Do all rough work in this book. Cross through any work you do not want to be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 60.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in your answers.
Question 3(b) should be answered in continuous prose. In this question you will be marked on your ability to:
– use good English
– organise information clearly
– use specialist vocabulary where appropriate.
Advice
In all calculations, show clearly how you work out your answer.
(JUn12BL2Hp01)
G/K83213
6/6/6/6
BL2HP
2
Do not write outside the box Answer all questions in the spaces provided.
1
Glycogen is stored in the muscles.
Scientists investigated changes in the amount of glycogen stored in the muscles of two
20 year-old male athletes, A and B.
Athlete A ate a high-carbohydrate diet. Athlete B ate a low-carbohydrate diet.
Each athlete did one 2-hour training session each day.
The graph shows the results for the first 3 days.
Key:
120
100
Concentration of
80
glycogen in muscles in mmol per kilogram 60
40
of muscle mass
20
0
1 (a) (i)
Training session
Athlete A
For Examiner’s Use
Candidate Number
Surname
Other Names
Examiner’s Initials
Candidate Signature
Question
General Certificate of Secondary Education
Higher Tier
June 2012
Additional Science
BL2HP
H
Unit Biology B2
Biology
Unit Biology B2
Monday 21 May 2012
Mark
1
2
3
4
5
6
7
TOTAL
9.00 am to 10.00 am
For this paper you must have:
a ruler.
You may use a calculator.
Time allowed
1 hour
Instructions
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page.
Answer all questions.
You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages.
Do all rough work in this book. Cross through any work you do not want to be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 60.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in your answers.
Question 3(b) should be answered in continuous prose. In this question you will be marked on your ability to:
– use good English
– organise information clearly
– use specialist vocabulary where appropriate.
Advice
In all calculations, show clearly how you work out your answer.
(JUn12BL2Hp01)
G/K83213
6/6/6/6
BL2HP
2
Do not write outside the box Answer all questions in the spaces provided.
1
Glycogen is stored in the muscles.
Scientists investigated changes in the amount of glycogen stored in the muscles of two
20 year-old male athletes, A and B.
Athlete A ate a high-carbohydrate diet. Athlete B ate a low-carbohydrate diet.
Each athlete did one 2-hour training session each day.
The graph shows the results for the first 3 days.
Key:
120
100
Concentration of
80
glycogen in muscles in mmol per kilogram 60
40
of muscle mass
20
0
1 (a) (i)
Training session
Athlete A