1 Young mammals receive antibodies in their mother’s milk.
This is an example of which type of immunity?
A artificial active immunity
B artificial
... [Show More] passive immunity
C natural active immunity
D natural passive immunity
Your answer [1]
2 Which of the following descriptions is correct?
A Vaccination gives long-term protection, immunisation gives short-term protection.
B Vaccination involves injection of antigenic material and immunisation is the process of
developing immunity.
C Vaccination involves injection of antigenic material, immunisation is injection of antibodies.
D Vaccination and immunisation have the same meaning.
Your answer [1]
3 When you listen to a human heartbeat through a stethoscope you can hear a two stage ‘lub–dub’
sound.
Which of the following causes the first ‘lub’ component?
A closing of the atrioventricular valves
B sound of blood rushing into the atria
C sound of blood rushing into the ventricles
D closing of semilunar valves
Your answer [1]
SPECIMEN
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4 Zinc ions are necessary for the enzyme carbonic anhydrase to work.
Which statement correctly describes the nature and function of zinc ions in their interaction with
carbonic anhydrase?
A inorganic ions and coenzymes
B vitamins and prosthetic groups
C inorganic ions and prosthetic groups
D vitamins and coenzymes
Your answer [1]
5 Using the light micrograph below and the formula
3
3
4 r
what is the volume of a neutrophil?
A 2 µm3
B 20 µm3
C 200 µm3
D 2000 µm3
Your answer [1]
SPECIMEN
4
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6 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
Light microscope Transmission
electron microscope
Laser scanning
confocal microscope
A
an object at a certain
depth within a cell cell surfaces organelles
B
an object at a certain
depth within a cell cell surfaces whole cells and
tissues
C
whole cells and
tissues organelles cell surfaces
D
whole cells and
tissues organelles an object at a certain
depth within a cell
Your answer [1]
7 Cyanobacteria are photoautotrophs and fossil records confirm their existence 3.5 billion years ago.
Which row describes the structure of cyanobacteria?
Feature
Nucleus Circular DNA Mitochondria Ribosomes Chloroplast Cell wall
A
B
C
D
Your answer [1]
8 Fig. 8.1 shows an animal cell.
SPECIMEN
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Fig. 8.1
Which option describes the correct sequence of organelles involved during the production and
secretion of a protein from this cell?
A S, K, L, J B T, K, L, J C T, M, L, J D S, T, K, L
Your answer [1]
SPECIMEN
6
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