Question 1

The infectious disease which is considered to be the greatest single cause of death in the world today is

Accepted Answer

A) malaria. 
B) AIDS. 
C) tuberculosis. 
D) cholera. 
E) plague. 
A) malaria. 
B) AIDS. 
C) tuberculosis. 
D) cholera. 
E) plague. C

Question 2

It is estimated that the 1917-18 influenza pandemic was responsible for the deaths of

Accepted Answer

A) almost 1 million people. 
B) 6 million people. 
C) 10 million people. 
D) at least 25 million people. 
E) none of the above. 
A) almost 1 million people. 
B) 6 million people. 
C) 10 million people. 
D) at least 25 million people. 
E) none of the above. D

Question 3

The introduction of vaccination programs has led to

Accepted Answer

A) worldwide control of tuberculosis. 
B) the worldwide eradication of polio and smallpox. 
C) the eradication of deaths due to 'childhood diseases'. 
D) a reduction in the incidence of birth defects due to rubella. 
E) all of the above. 
A) worldwide control of tuberculosis. 
B) the worldwide eradication of polio and smallpox. 
C) the eradication of deaths due to 'childhood diseases'. 
D) a reduction in the incidence of birth defects due to rubella. 
E) all of the above. D

Question 4

The first person to see cells under a microscope was

Accepted Answer

A) Robert Hooke. 
B) Robert Koch. 
C) Anton van Leeuwenhoek. 
D) Louis Pasteur. 
E) Edward Jenner. 
A) Robert Hooke. 
B) Robert Koch. 
C) Anton van Leeuwenhoek. 
D) Louis Pasteur. 
E) Edward Jenner.

Question 5

In the laboratory,bacteria are often grown on a nutrient medium solidified with agar.The scientist who developed this method was

Accepted Answer

A) Louis Pasteur. 
B) Alexander Fleming. 
C) Edward Jenner. 
D) Robert Koch. 
E) Howard Florey. 
A) Louis Pasteur. 
B) Alexander Fleming. 
C) Edward Jenner. 
D) Robert Koch. 
E) Howard Florey.

Question 6

Procaryotic cells reproduce by

Accepted Answer

A) gamete production. 
B) meiosis. 
C) mitosis. 
D) binary fission. 
E) spore formation. 
A) gamete production. 
B) meiosis. 
C) mitosis. 
D) binary fission. 
E) spore formation.

Question 7

The infectious agent responsible for mad cow disease is a

Accepted Answer

A) virus. 
B) prion. 
C) bacterium. 
D) fungus. 
E) protozoan. 
A) virus. 
B) prion. 
C) bacterium. 
D) fungus. 
E) protozoan.

Question 8

The first viral disease to be shown to be transmitted by an insect was

Accepted Answer

A) encephalitis. 
B) malaria. 
C) yellow fever. 
D) plague. 
E) dengue fever. 
A) encephalitis. 
B) malaria. 
C) yellow fever. 
D) plague. 
E) dengue fever.

Question 9

The emergence of new infectious agents can result from

Accepted Answer

A) their development in an animal host. 
B) new combinations of genes from different microbes. 
C) encroachment of humans into native forests. 
D) over-use and misuse of antibiotics. 
E) all of the above. 
A) their development in an animal host. 
B) new combinations of genes from different microbes. 
C) encroachment of humans into native forests. 
D) over-use and misuse of antibiotics. 
E) all of the above.

Question 10

The first chemotherapeutic agent used to treat infections was

Accepted Answer

A) salvarsan to treat syphilis. 
B) penicillin to treat bacterial infections. 
C) sulfa drugs. 
D) smallpox vaccine. 
E) aspirin. 
A) salvarsan to treat syphilis. 
B) penicillin to treat bacterial infections. 
C) sulfa drugs. 
D) smallpox vaccine. 
E) aspirin.

Question 11

The microbiologist credited with proposing the germ theory of disease was

Accepted Answer

A) Robert Koch. 
B) Ignaz Semmelweis. 
C) Joseph Lister. 
D) Frank Macfarlane Burnet. 
E) Louis Pasteur. 
A) Robert Koch. 
B) Ignaz Semmelweis. 
C) Joseph Lister. 
D) Frank Macfarlane Burnet. 
E) Louis Pasteur.

Question 12

Malaria continues to be a major problem throughout the world because

Accepted Answer

A) mosquito control programs are not always successful. 
B) the parasite that causes malaria is developing resistance to antibiotics. 
C) there is no effective vaccine for this disease. 
D) poorer countries often have inadequate public health measures. 
E) all of the above. 
A) mosquito control programs are not always successful. 
B) the parasite that causes malaria is developing resistance to antibiotics. 
C) there is no effective vaccine for this disease. 
D) poorer countries often have inadequate public health measures. 
E) all of the above.

Question 13

A method used to destroy harmful organisms in food by heating to 56ᴼC is called

Accepted Answer

A) sterilisation. 
B) sanitisation. 
C) purification. 
D) pasteurisation. 
E) preservation. 
A) sterilisation. 
B) sanitisation. 
C) purification. 
D) pasteurisation. 
E) preservation.

Question 14

Which of the following statements is TRUE?

Accepted Answer

A) All bacteria are beneficial to humans. 
B) All bacteria cause disease in some animal. 
C) Bacteria in the human body always cause disease. 
D) Bacteria in the human body may sometimes cause disease. 
E) All of the above. 
A) All bacteria are beneficial to humans. 
B) All bacteria cause disease in some animal. 
C) Bacteria in the human body always cause disease. 
D) Bacteria in the human body may sometimes cause disease. 
E) All of the above.

Question 15

'Spontaneous generation' refers to

Accepted Answer

A) the ability of bacteria to reproduce asexually. 
B) the theory that living cells could arise from non-living matter. 
C) the process of binary fission in bacteria. 
D) the growth of microorganisms in the absence of nutrients. 
E) the Darwinian theory of the origin of life. 
A) the ability of bacteria to reproduce asexually. 
B) the theory that living cells could arise from non-living matter. 
C) the process of binary fission in bacteria. 
D) the growth of microorganisms in the absence of nutrients. 
E) the Darwinian theory of the origin of life.

Question 16

Which of the following statements is TRUE?

Accepted Answer

A) All microorganisms cause disease. 
B) Only bacteria and viruses can cause disease in humans. 
C) Only some microorganisms cause infections in humans. 
D) Bacteria that live on the human body never cause disease. 
E) All fungi are harmless. 
A) All microorganisms cause disease. 
B) Only bacteria and viruses can cause disease in humans. 
C) Only some microorganisms cause infections in humans. 
D) Bacteria that live on the human body never cause disease. 
E) All fungi are harmless.

Question 17

Edward Jenner was the first person to develop a method to protect against

Accepted Answer

A) tuberculosis. 
B) anthrax. 
C) cholera. 
D) smallpox. 
E) typhoid fever. 
A) tuberculosis. 
B) anthrax. 
C) cholera. 
D) smallpox. 
E) typhoid fever.

Question 18

Which of the following functions,essential for life on earth,is performed by bacteria?

Accepted Answer

A) The direct provision of food for yeasts. 
B) The control of insect plagues. 
C) The decomposition of organic material to recycle nutrients. 
D) The production of hormones and growth factors. 
E) All of the above. 
A) The direct provision of food for yeasts. 
B) The control of insect plagues. 
C) The decomposition of organic material to recycle nutrients. 
D) The production of hormones and growth factors. 
E) All of the above.

Question 19

The outbreak of SARS in 2003 is an example of

Accepted Answer

A) the recurrence of an old disease. 
B) an atypical pneumonia caused by a previously unidentified bacterium. 
C) a new disease caused by a previously unidentified virus. 
D) a new viral disease that is spread by insects. 
E) the need to restrict international travel. 
A) the recurrence of an old disease. 
B) an atypical pneumonia caused by a previously unidentified bacterium. 
C) a new disease caused by a previously unidentified virus. 
D) a new viral disease that is spread by insects. 
E) the need to restrict international travel.

Question 20

The first chemical to be widely used as a disinfectant in surgery was

Accepted Answer

A) Dettol. 
B) carbolic acid. 
C) chlorine. 
D) iodine. 
E) none of the above. 
A) Dettol. 
B) carbolic acid. 
C) chlorine. 
D) iodine. 
E) none of the above.

Exam 1: The Invisible World

The infectious disease which is considered to be the greatest single cause of death in the world today is

It is estimated that the 1917-18 influenza pandemic was responsible for the deaths of

The introduction of vaccination programs has led to

The first person to see cells under a microscope was

In the laboratory,bacteria are often grown on a nutrient medium solidified with agar.The scientist who developed this method was

Procaryotic cells reproduce by

The infectious agent responsible for mad cow disease is a

The first viral disease to be shown to be transmitted by an insect was

The emergence of new infectious agents can result from

The first chemotherapeutic agent used to treat infections was

The microbiologist credited with proposing the germ theory of disease was

Malaria continues to be a major problem throughout the world because

A method used to destroy harmful organisms in food by heating to 56ᴼC is called

Which of the following statements is TRUE?

'Spontaneous generation' refers to

Which of the following statements is TRUE?

Edward Jenner was the first person to develop a method to protect against

Which of the following functions,essential for life on earth,is performed by bacteria?

The outbreak of SARS in 2003 is an example of

The first chemical to be widely used as a disinfectant in surgery was

Biological Reactions in Microbial Cells

Bacteria

Genes and Biotechnology

Viruses and Viral Diseases

Eucaryotic Microorganisms: Fungi, protozoa and Multicellular Organisms

Hostmicrobe Interactions and Principles of Disease

Epidemiology: How Diseases Are Spread

The Bodys Defence Systems

Pathogenic Mechanisms and Evasion Strategies of Microorganisms

Principles of Sterilisation and Disinfection

Antimicrobial Therapy

Infection Control in Healthcare Facilities

Issues in Public Health

Microbial Techniques for Diagnosis of Infection

Skin, wound and Eye Infections

Respiratory Tract Infections

Gastrointestinal Tract Infections

Cardiovascular and Multisystem Infections

Infections of the Nervous System

Infections of the Urinary and Reproductive Systems

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