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Course: Edexcel A Level Biology A (SNAB) 9BI0
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Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

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Topic 2 · Genes and Health

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Topic 3 · Voice of the Genome

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Topic 4 · Biodiversity and Natural Resources

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Topic 5 · On the Wild Side

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Topic 6 · Immunity, Infection and Forensics

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Topic 7 · Run for your Life

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Topic 8 · Grey Matter

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Quiz

Microorganisms & Immunity – Check yourself

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Microorganisms & Immunity IAL Modular Biology check yourself quiz: free practice for IAL Edexcel Modular. Work through this Microorganisms & Immunity IAL Modular Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.5 Microorganisms & Immunity — IAL Biology Notes lesson. More practice: IAL Edexcel Modular — all units. Syllabus: Pearson Edexcel International A Levels.

  • Questions count: 28
  • Passing grade: B
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1.

Bacteria differ from viruses in that bacteria

contain only RNA
are cells with their own metabolism
need a host cell to reproduce
have a capsid
2.

Mycobacterium tuberculosis

infects T helper cells
is engulfed by macrophages in the lungs and can lie dormant in tubercles
is a virus
is spread by mosquitoes
3.

HIV infects

B cells only
T helper cells, using the CD4 receptor
red blood cells
neutrophils
4.

Non-specific responses include

antibody production
T killer cell action
memory cell formation
inflammation, lysozyme action, interferon and phagocytosis
5.

An antibody is

a type of antigen
a white blood cell
a protein produced by plasma cells that binds to a specific antigen
an antibiotic
6.

B cells are activated when

they engulf bacteria
their receptors bind antigen and T helper cells release cytokines
they are infected by a virus
antibodies bind to them
7.

T killer cells

destroy infected host cells presenting the antigen
produce antibodies
engulf bacteria
release histamine
8.

Active immunity differs from passive immunity in that

antibodies are received from another source
it is short-lived
the body makes its own antibodies and memory cells
no antigen is involved
9.

Bactericidal antibiotics

kill bacteria
only stop bacteria multiplying
kill viruses
stimulate antibody production
10.

Hospital practices that reduce antibiotic-resistant infections include

prescribing more antibiotics
hand washing, isolation of patients and controlled use of antibiotics
sharing equipment
shorter courses for everyone
11.
IGCSE Biology 10.1 Antibody - Question 1
IGCSE Biology 10.1 Antibody - Question 1
A
B
C
D
12.
IGCSE Biology 10.1 Antibody - Question 2
IGCSE Biology 10.1 Antibody - Question 2
A
B
C
D
13.
IGCSE Biology 10.2 Immunity And Vaccination - Question 1
IGCSE Biology 10.2 Immunity And Vaccination - Question 1
A
B
C
D
14.
IGCSE Biology 10.3 Cholera Disease - Question 1
IGCSE Biology 10.3 Cholera Disease - Question 1
A
B
C
D
15.
According to the comparison table in this lesson, what is the Error to avoid of Aseptic technique?
According to the comparison table in this lesson, what is the Error to avoid of Aseptic technique?
Core practical skills
Biased placement
Contamination
Not blotting dry
Spot too large
16.
Which statement best describes Serial dilution?
Which statement best describes Serial dilution?
Factor you measure.
Same results by others or with other methods.
Stepwise dilution of a solution.
Factor you change.
17.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Memory cells
Clonal expansion (mitosis)
Plasma cells → antibodies
Antigen presented
18.
In the sequence covered in this lesson, which step comes immediately after Antigen presented?
In the sequence covered in this lesson, which step comes immediately after Antigen presented?
Memory cells
B cell clonal selection
Clonal expansion (mitosis)
T-helper activated
19.
Which key term matches this description: "Matures in bone marrow; becomes plasma cells and memory cells."
Which key term matches this description: "Matures in bone marrow; becomes plasma cells and memory cells."
Phagocyte
B lymphocyte
Antibody
Passive immunity
20.
Which statement best describes Active immunity?
Which statement best describes Active immunity?
Matures in bone marrow; becomes plasma cells and memory cells.
Long-lived cell giving a faster secondary response.
Antibodies given (breast milk, injection); short-lived.
Body makes its own antibodies (infection or vaccine).
21.
According to the comparison table in this lesson, what is the Example of Natural passive?
According to the comparison table in this lesson, what is the Example of Natural passive?
Types of immunity
Antibodies across placenta / in colostrum
Anti-tetanus or antivenom injection
Recovering from measles
Vaccination
22.
Which statement best describes T lymphocyte?
Which statement best describes T lymphocyte?
Matures in thymus; helper and killer T cells.
Molecule (often protein) that triggers an immune response.
Body makes its own antibodies (infection or vaccine).
Y-shaped protein made by plasma cells; binds a specific antigen.
23.
According to the comparison table in this lesson, what is the Example of Artificial active?
According to the comparison table in this lesson, what is the Example of Artificial active?
Types of immunity
Recovering from measles
Antibodies across placenta / in colostrum
Anti-tetanus or antivenom injection
Vaccination
24.
In the sequence covered in this lesson, which step comes immediately after B cell clonal selection?
In the sequence covered in this lesson, which step comes immediately after B cell clonal selection?
T-helper activated
Antigen presented
Plasma cells → antibodies
Clonal expansion (mitosis)
25.
Which key term matches this description: "Y-shaped protein made by plasma cells; binds a specific antigen."
Which key term matches this description: "Y-shaped protein made by plasma cells; binds a specific antigen."
Memory cell
B lymphocyte
Antibody
Passive immunity
26.
According to the comparison table in this lesson, what is the Example of Artificial passive?
According to the comparison table in this lesson, what is the Example of Artificial passive?
Types of immunity
Antibodies across placenta / in colostrum
Recovering from measles
Vaccination
Anti-tetanus or antivenom injection
27.
Which statement best describes Antigen?
Which statement best describes Antigen?
Matures in bone marrow; becomes plasma cells and memory cells.
Antibodies given (breast milk, injection); short-lived.
Long-lived cell giving a faster secondary response.
Molecule (often protein) that triggers an immune response.
28.
Complete the statement: Antibodies are made by ______.
Complete the statement: Antibodies are made by ______.
Passive immunity
Antigen
plasma cells
artificial active
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Part of Topic 6 · Immunity, Infection and Forensics — see every lesson and quiz in this unit.
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