Biology A.
Year 12 January half term test
Please note that you may see slight differences
between this paper and the original.
Duration: 55 minutes
Candidates answer on the Question paper.
_____/50
OCR supplied materials:
Additional resources may be supplied with this paper.
Name:Sam Penn_______________
Other materials required:
• Pencil
• Ruler (cm/mm) Class:12C1________________
INSTRUCTIONS TO CANDIDATES
• Write your name, centre number and candidate number in the boxes above. Please write clearly and in capital letters.
• Use black ink. HB pencil may be used for graphs and diagrams only.
• Answer all the questions, unless your teacher tells you otherwise.
• Read each question carefully. Make sure you know what you have to do before starting your answer.
• Where space is provided below the question, please write your answer there.
• You may use additional paper, or a specific Answer sheet if one is provided, but you must clearly show your candidate number, centre number
and question number(s).
INFORMATION FOR CANDIDATES
• The quality of written communication is assessed in questions marked with either a pencil or an asterisk. In History and Geography
a Quality of extended response question is marked with an asterisk, while a pencil is used for questions in which Spelling, punctuation and
grammar and the use of specialist terminology is assessed.
• The number of marks is given in brackets [ ] at the end of each question or part question.
• The total number of marks for this paper is 50.
• The total number of marks may take into account some 'either/or' question choices.
1
,1. Three types of microscope are listed below.
Select the row that shows the correct use for each type of microscope.
Type of microscope and what it is used to observe
Transmission electron Laser scanning confocal
Light microscope
microscope microscope
an object at a certain
A cell surfaces organelles
depth within a cell
an object at a certain
B cell surfaces whole cells and tissues
depth within a cell
C whole cells and tissues organelles cell surfaces
an object at a certain
D whole cells and tissues organelles
depth within a cell
Your answer
[1]
Answer: D
2
, 2. Fig. 6.1 shows a small artery. These small arteries are found linking the larger arteries with
the arterioles that carry blood into the capillary beds of an organ or tissue.
Fig. 6.1
Calculate the thickness of the wall of the artery between the points marked A and B on Fig.
6.1.
Show your working and express your answer to the nearest micrometre.
Answer =........................................................... μm [2]
Answer: Magnification= Image/Actual
120=1.3cm/actual
actual= 13000 micrometers/120
= 108.3 micrometers
= 108 micrometers
3
Year 12 January half term test
Please note that you may see slight differences
between this paper and the original.
Duration: 55 minutes
Candidates answer on the Question paper.
_____/50
OCR supplied materials:
Additional resources may be supplied with this paper.
Name:Sam Penn_______________
Other materials required:
• Pencil
• Ruler (cm/mm) Class:12C1________________
INSTRUCTIONS TO CANDIDATES
• Write your name, centre number and candidate number in the boxes above. Please write clearly and in capital letters.
• Use black ink. HB pencil may be used for graphs and diagrams only.
• Answer all the questions, unless your teacher tells you otherwise.
• Read each question carefully. Make sure you know what you have to do before starting your answer.
• Where space is provided below the question, please write your answer there.
• You may use additional paper, or a specific Answer sheet if one is provided, but you must clearly show your candidate number, centre number
and question number(s).
INFORMATION FOR CANDIDATES
• The quality of written communication is assessed in questions marked with either a pencil or an asterisk. In History and Geography
a Quality of extended response question is marked with an asterisk, while a pencil is used for questions in which Spelling, punctuation and
grammar and the use of specialist terminology is assessed.
• The number of marks is given in brackets [ ] at the end of each question or part question.
• The total number of marks for this paper is 50.
• The total number of marks may take into account some 'either/or' question choices.
1
,1. Three types of microscope are listed below.
Select the row that shows the correct use for each type of microscope.
Type of microscope and what it is used to observe
Transmission electron Laser scanning confocal
Light microscope
microscope microscope
an object at a certain
A cell surfaces organelles
depth within a cell
an object at a certain
B cell surfaces whole cells and tissues
depth within a cell
C whole cells and tissues organelles cell surfaces
an object at a certain
D whole cells and tissues organelles
depth within a cell
Your answer
[1]
Answer: D
2
, 2. Fig. 6.1 shows a small artery. These small arteries are found linking the larger arteries with
the arterioles that carry blood into the capillary beds of an organ or tissue.
Fig. 6.1
Calculate the thickness of the wall of the artery between the points marked A and B on Fig.
6.1.
Show your working and express your answer to the nearest micrometre.
Answer =........................................................... μm [2]
Answer: Magnification= Image/Actual
120=1.3cm/actual
actual= 13000 micrometers/120
= 108.3 micrometers
= 108 micrometers
3
