Pages in this set

Page 1

Preview of page 1
E1.00L


Teacher/Lecturer .

Mark scheme for Topic 1 Exam-style topic test
General information
The following symbols are used in the mark schemes for all questions.

; semicolon ­ indicates the end of a marking point.
eq ­ indicates that credit should be given for other correct alternatives to a word…

Page 2

Preview of page 2
E1.00L

Topic 1 Exam-style topic test Teacher/Lecturer
Change of lifestyle / change diet / have a low fat diet / reduced intake of cholesterol
/ do more exercise;
to reduce BMI / reduce risk of obesity / reduce risk of CVD;

Total 10 marks

Question 2
(a) Similarities: Both contain…

Page 3

Preview of page 3
E1.00L

Topic 1 Exam-style topic test Teacher/Lecturer

Question 4
(a) Fibrinogen to fibrin;
Mesh of insoluble fibrin fibres forms;
Traps blood cells / forms a clot;
3 marks
(b) Speeds up clotting process;
More fibrinogen available to convert to fibrin;
Bandage forms part of clot so does not need to…

Page 4

Preview of page 4
E2.00L


Teacher/Lecturer .

Mark scheme for Topic 2 Exam-style topic test
General information
The following symbols are used in the mark schemes for all questions.

; semicolon ­ indicates the end of a marking point.
eq ­ indicates that credit should be given for other correct alternatives to a word…

Page 5

Preview of page 5
E2.00S

Topic 2 Exam-style topic test Teacher/Lecturer .
(c) Repeats;
Identify anomalies;
Deal with anomalies (e.g. ignore/redo etc)
Variables controlled;
Standardized methods /conditions used;
4 marks

(d) (i) Diffusion / facilitated diffusion / passive transport; 1 mark

(ii) Active transport; 1 mark

(e) Active transport {against a concentration gradient /…

Page 6

Preview of page 6
E3.00L


Teacher/Lecturer .

Mark scheme for Topic 3 Exam-style topic test
General information
The following symbols are used in the mark schemes for all questions.

; semicolon ­ indicates the end of a marking point.
eq ­ indicates that credit should be given for other correct alternatives to a word…

Page 7

Preview of page 7
E3.00S

Topic 3 Exam-style topic test Student .
(b) (i) Nucleus contains DNA with genes for enzyme;
Site of transcription;
{Contains / makes} mRNA;
2 marks
(ii) Site of translation;
Ribosomes on surface attach to mRNA;
Newly formed polypeptide chain enters it;
Proteins assume three-dimensional shape within it; 2 marks…

Page 8

Preview of page 8
E4.00L


Teacher/Lecturer

Mark scheme for Topic 4 Exam-style topic test
General information
The following symbols are used in the mark schemes for all questions.

; semicolon ­ indicates the end of a marking point.
eq ­ indicates that credit should be given for other correct alternatives to a word or…

Page 9

Preview of page 9
E4.00S

Topic 4 Exam-style topic test Teacher/Lecturer.
Question 2
(a) (i) (ii) Similarities: Impregnated with lignin / stiffened cell walls / {elongated / hollow} cells;
For support / gives stem greater tensile strength;

Differences: {Xylem cells fuse to make long {tubes / vessels} / end walls of xylem cells
break…

Comments

Ray

Report

Hi, do you also have the markschemes for the A2 topics? Thanks in advance...

xxxxxxx111

Report

Hi do you have the ink to the test papers ?

Similar Biology resources:

See all Biology resources »