Learn More About Pandemic Infectious Disease
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- 1.Which microbe is the smallest?
- A.
Virus
- B.
Bacterium
- C.
Fungus
- D.
Parasite
- 2.The followings are the First Line of Defence in the body EXCEPT
- A.
The production of antibodies by white blood cells
- B.
Acid produced in the stomach
- C.
The skin epidermis acts as a protective barrier
- D.
Tears produced by the tear glands to kill germs
- 3.What is a pathogen?
- A.
An antibiotic
- B.
A disease-causing microbe
- C.
A type of disease
- D.
A parasite
- 4.Which type of microorganisms are most pathogens?
- A.
Bacteria
- B.
Fungi
- C.
Viruses
- D.
Algae
- 5.Food poisoning may be resulted even the food is well cooked because
- A.
Bacteria can't be all killed in cooking
- B.
The food ingredients produced new chemicals during cooking
- C.
Bacteria multiplied at high temperature during cooking
- D.
Bacteria can produced toxins that can't be destroyed during cooking
- 6.Which type of cells is responsible for body defence against infection?
- A.
Cheek cells
- B.
Red blood cells
- C.
White blood cells
- D.
Blood platelets
- 7.Which of the following caused by a virus?
- A.
Malaria
- B.
Pneumonia
- C.
AIDS
- D.
Chloera
- 8.One of the main problems with viruses is that they:
- A.
Are too small to be seen
- B.
Can multiply very rapidly in blood
- C.
Can't be killed by antibiotics
- D.
Produce toxins
- 9.What is one way that antibiotics work?
- A.
They can stop bacteria from reproducing
- B.
They can stop viruses from reproducing
- C.
They can neutralise toxins from poisoning the tissues of the host
- D.
They can stimulate white blood cells to produce antibodies
- 10.The Eloba outbreak in 2014 has killed over 1000 people in Africa. What type of pathogen is Eloba?
- A.
Bacterium
- B.
Fungus
- C.
Parasite
- D.
Virus
- 11.What are "Superbugs"?
- A.
Bacteria that are very large in size
- B.
Bacteria that can reproduce at a very rapid rate
- C.
Bacteria that are resistant to most antibiotics
- D.
A mixtures of different pathogens or microbes
- 12.The following are Agents for Infectious Diseases EXCEPT
- A.
Viruses
- B.
Algae
- C.
Bacteria
- D.
Fungi
- 13.What is the definition of vector?
- A.
A vaccine that can use to prevent infections
- B.
A drug that can cure infectious diseases
- C.
A chemical that can cause a disease
- D.
An organism that transfers a disease from one organism to another organism
- 14.What is a Pandamic disease?
- A.
The rapid spread of a disease through a community.
- B.
The rapid spread of a disease across the world
- C.
The rapid spread of a disease in a country
- D.
The rapid spread of a disease in a particular racial group
- 15.The second line of body defence is
- A.
Inflammation response
- B.
Production of stomach acid
- C.
Production of antibodies by white blood cells
- D.
The intake of antibiotics
- 16.Which is not a way to prevent infectious disease?
- A.
Vaccination
- B.
Low fat diet
- C.
Personal hygiene
- D.
Using disinfectants
- 17.Name the form of nucleic acid that acts as a "messenger" to direct the production of proteins.
- 18.Fill in the gap:Transcription produces an mRNA molecule that is __________ to one strand of DNA.
- 19.In RNA, an alternative base replaces DNA's thymine. Name this base.
- 20.Name the sugar in RNA.
- 21.True or false:DNA is less stable than RNA.
- A.
True
- B.
False
- 22.RNA is chemically less stable than DNA.Why?
- A.
It is more reactive than DNA
- B.
It is less reactive than DNA
- 23.What property of the RNA molecule makes it more reactive than DNA?
- A.
Its sugar, ribose, has a 2' OH group
- B.
Its sugar, ribose, has a 4' OH group
- C.
RNA base uracil is more chemically reactive than DNA base thymine
- 24.Which of the following reasons are correct for why RNA is genetically less stable than DNA?
- A.
Single stranded, so no back-up of genetic information
- B.
More prone to mutate; cytosine --> uracil cannot be detected and repaired
- C.
More prone to mutate; adenine --> uracil cannot be detected and repaired
- D.
Double stranded, so mutation twice as likely
- 25.Name the enzyme that synthesises RNA from a template strand of DNA.
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