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WJEC A Level Biology. Option A I and D Part 1. Disease

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What term is given to a disease that is present at low levels in a population?

a)

Endemic

b)

Pandemic

c)

Epidemic

2.

What term is given to a disease that spreads rapidly through a population?

a)

Endemic

b)

Pandemic

c)

Epidemic

3.

What term is given to a disease that spreads rapidly across the world?

a)

Endemic

b)

Pandemic

c)

Epidemic

4.

Organisms that cause disease are called

(a)  

5.

Proteins that are produced by lymphocytes are called

a)

antibodies

b)

antigens

c)

antibiotics

6.

Proteins that are on the surface of pathogens are called

a)

antibodies

b)

antigens

c)

antibiotics

7.

Drugs that can be bacteriocidal of bateriostatic are called

a)

antibodies

b)

antigens

c)

antibiotics

8.

Which pathogen produces a toxin that affects the CFTR chloride channel proteins causing watery diarrhoea?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

9.

Which pathogen causes gas filled tubercules (nodules) in the lungs which are easily identified by X ray?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

10.

Which pathogen causes a rash which leads to fluid filled blisters which leave severe scars in survivors?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

11.

Which pathogen is transmitted by female Anopholes mosquitos?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

12.

Which pathogens are bacteria?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

13.

Which pathogen has been eradicated through vaccination?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

14.

Which pathogen is prevented by a BCG vaccination programme for children?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.

15.

Which proteins on the surface of the influenza virus allow the virus to enter human cells?

a)

Haemagglutinin

b)

Neuraminidase

16.

Which proteins on the surface of the influenza virus allow the virus to exit human cells?

a)

Haemagglutinin

b)

Neuraminidase

17.

Which change in antigenic types is caused by a cell being infected with different viruses which recombine genes?

a)

Antigenic shift

b)

Antigenic drift

18.

Which change in antigenic types is caused by genes mutating?

a)

Antigenic shift

b)

Antigenic drift

19.

Which stage in Plasmodium's lifecycle is ingested from a human host by the biting Anopholes vector?

a)

Gametocyte

b)

Sporozoite

c)

Merozoite

20.

Which stage in Plasmodium's lifecycle migrate to the salivary glands of the Anopholes vector?

a)

Gametocyte

b)

Sporozoite

c)

Merozoite

21.

Which stage in Plasmodium's lifecycle infects liver cells (hepatocytes)?

a)

Gametocyte

b)

Sporozoite

c)

Merozoite

22.

Which stage in Plasmodium's lifecycle are released from red blood cells, causing recurring fevers?

a)

Gametocyte

b)

Sporozoite

c)

Merozoite

23.

The transmission of which disease can be reduced by spraying oil onto lakes and swamps?

a)

Malaria

b)

TB

c)

Cholera

d)

AIDS

24.

Which virus life cycle involves the virus reproducing inside the host cell?

a)

The lytic cycle

b)

The lysogenic cycle

25.

Which virus life cycle involves the virus incorporating its DNA into the host cell genome?

a)

The lytic cycle

b)

The lysogenic cycle

26.

Which virus can cause cervical cancer if it inserts its DNA into the TP53 tumour suppressing gene?

a)

HPV

b)

HIV

c)

Variola major

d)

Influenza

27.

Which virus causes immunosuppression when it infects T Helper cells (with CD4 receptors)?

a)

HPV

b)

HIV

c)

Variola major

d)

Influenza

28.

Which toxin can cause chromosomes to fuse?

a)

Measles toxin

b)

Herpes toxin

29.

Which toxin can cause cells to fuse?

a)

Measles toxin

b)

Herpes toxin

30.

Which pathogen is a comma shaped, flagellate Gram negative bacterium?

a)

Vibrio cholerae

b)

Mycobacterium tuberculosis

c)

Variola major

d)

Plasmodium sp.