Font size
WorksheetsWJEC A Level Biology. Option A I and D Part 1. Disease
Total questions: 30
Worksheet time: 15mins
What term is given to a disease that is present at low levels in a population?
Endemic
Pandemic
Epidemic
What term is given to a disease that spreads rapidly through a population?
Endemic
Pandemic
Epidemic
What term is given to a disease that spreads rapidly across the world?
Endemic
Pandemic
Epidemic
Organisms that cause disease are called
(a)
Proteins that are produced by lymphocytes are called
antibodies
antigens
antibiotics
Proteins that are on the surface of pathogens are called
antibodies
antigens
antibiotics
Drugs that can be bacteriocidal of bateriostatic are called
antibodies
antigens
antibiotics
Which pathogen produces a toxin that affects the CFTR chloride channel proteins causing watery diarrhoea?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogen causes gas filled tubercules (nodules) in the lungs which are easily identified by X ray?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogen causes a rash which leads to fluid filled blisters which leave severe scars in survivors?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogen is transmitted by female Anopholes mosquitos?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogens are bacteria?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogen has been eradicated through vaccination?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which pathogen is prevented by a BCG vaccination programme for children?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
Which proteins on the surface of the influenza virus allow the virus to enter human cells?
Haemagglutinin
Neuraminidase
Which proteins on the surface of the influenza virus allow the virus to exit human cells?
Haemagglutinin
Neuraminidase
Which change in antigenic types is caused by a cell being infected with different viruses which recombine genes?
Antigenic shift
Antigenic drift
Which change in antigenic types is caused by genes mutating?
Antigenic shift
Antigenic drift
Which stage in Plasmodium's lifecycle is ingested from a human host by the biting Anopholes vector?
Gametocyte
Sporozoite
Merozoite
Which stage in Plasmodium's lifecycle migrate to the salivary glands of the Anopholes vector?
Gametocyte
Sporozoite
Merozoite
Which stage in Plasmodium's lifecycle infects liver cells (hepatocytes)?
Gametocyte
Sporozoite
Merozoite
Which stage in Plasmodium's lifecycle are released from red blood cells, causing recurring fevers?
Gametocyte
Sporozoite
Merozoite
The transmission of which disease can be reduced by spraying oil onto lakes and swamps?
Malaria
TB
Cholera
AIDS
Which virus life cycle involves the virus reproducing inside the host cell?
The lytic cycle
The lysogenic cycle
Which virus life cycle involves the virus incorporating its DNA into the host cell genome?
The lytic cycle
The lysogenic cycle
Which virus can cause cervical cancer if it inserts its DNA into the TP53 tumour suppressing gene?
HPV
HIV
Variola major
Influenza
Which virus causes immunosuppression when it infects T Helper cells (with CD4 receptors)?
HPV
HIV
Variola major
Influenza
Which toxin can cause chromosomes to fuse?
Measles toxin
Herpes toxin
Which toxin can cause cells to fuse?
Measles toxin
Herpes toxin
Which pathogen is a comma shaped, flagellate Gram negative bacterium?
Vibrio cholerae
Mycobacterium tuberculosis
Variola major
Plasmodium sp.
