Cambridge International AS Level · Biology (9700)

Infectious diseases: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Infectious diseases.

10 questions23 marksFree, no account

Question 1

1 mark

Which of the following is a characteristic feature of the pathogen that causes HIV/AIDS?

Question 2

1 mark

Why are individuals with HIV/AIDS significantly more likely to develop active tuberculosis (TB)?

Question 3

1 mark

The following is a list of events that occur during the development of antibiotic resistance in a population of Mycobacterium tuberculosis:

1. Vertical transmission of the resistant allele to daughter cells.
2. A random mutation occurs in a gene in a single bacterium.
3. The patient stops taking their course of antibiotics prematurely.
4. Bacteria without the resistant allele are killed, while the resistant bacterium survives.

What is the correct sequence of these events?

Question 4

1 mark

Which of the following is an economic factor that directly influences the prevention and control of cholera outbreaks?

Question 5

1 mark

Which statement best explains why the use of antibiotics, such as penicillin, is ineffective in treating a person infected with the human immunodeficiency virus (HIV)?

Question 6

2 marks

State the specific name and type of the pathogen that causes cholera.

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

Compare the method of transmission between tuberculosis (TB) and malaria.

Write your answer out first, then check it against the worked solution.

Question 8

5 marks

Explain the economic and social consequences of the spread of HIV/AIDS on the workforce and healthcare systems of developing nations.

Write your answer out first, then check it against the worked solution.

Question 9

3 marks

Malaria remains one of the most significant infectious diseases globally. It is caused by protoctists of the genus Plasmodium.
(a) State the names of two species of Plasmodium that cause malaria in humans.
(b) Describe the mode of transmission of the malarial parasite to a human host.

Write your answer out first, then check it against the worked solution.

Question 10

5 marks

The Human Immunodeficiency Virus (HIV) is the pathogen responsible for AIDS.
(a) Describe the methods of transmission for HIV.
(b) Explain how the social and economic conditions of a region can influence the rate of HIV transmission within its population.

Write your answer out first, then check it against the worked solution.

* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.

You've seen the model answer. Now get yours marked.

This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.

Get My Answers Marked Back to the notes

Want more questions like these? Get a fresh set on this topic, graded as you go.