• 1. 1. Cholera is mostly spread by
A) b) soil
B) a) air
C) c) water
D) d) noise
  • 2. 2. When bacteria are arranged in chains, they are called?
A) b) staphylococci
B) d) bacilli
C) c) streptococci
D) a) Spirilla
  • 3. 3. Viruses are considered to be living organisms because they.
A) c) respond to stimulation
B) a) possess transmittable characters
C) b) move from one place to another
D) d) ingest food materials
  • 4. 4. Which of the following is not a protozoan?
A) b) plasmodium
B) a) paramecium
C) c) penicillium
D) d) Amoeba
  • 5. 5. Which of the following best describes a culture solution?
A) d) Solution containing dead organisms
B) a) A population of micro-organisms cultivated in a medium
C) c) Solution containing different chemicals
D) b) A population of weeds cultivated in a medium
  • 6. 6. Which of the following is a primary benefit of regular physical exercise?
A) c) Decreased energy levels
B) a) Increased stress levels
C) b) Improved cardiovascular health
D) d) Increased risk of chronic diseases
  • 7. 7. Which of the following is a common method to prevent the spread of infectious diseases?
A) a) Sharing personal items
B) b) Frequent hand washing
C) c) Avoiding vaccinations
D) d) Eating processed foods
  • 8. 8. Which nutrient is essential for building and repairing body tissues?
A) b) Proteins
B) c) Fats
C) a) Carbohydrates
D) d) Vitamins
  • 9. 9. Trypanosomiasis is associated with
A) a) mosquitoes
B) b) house fly
C) d) cockroach
D) c) tsetse fly
  • 10. 10. Which of following infection is unlikely to respond to antibiotic treatment
A) c) measles
B) d) tetanus
C) a) typhoid fever
D) b) ringworm
  • 11. 11. Transmission of the malaria parasite is affected through the bite of the
A) d) Infected Aides mosquitoes
B) c) Infected male anopheles mosquitoes
C) a) Male anopheles mosquitoes
D) b) Female anopheles mosquitoes
  • 12. 12. The drugs which inhibit the growth of the disease-causing organism and are thus used in the treatment of infection are referred to as
A) b) antibodies
B) a) antiobiotic
C) d) septic
D) c) antitoxic
  • 13. 13. Which of these diseases cannot be spread by an insect?
A) b) malaria
B) a) cholera
C) d) Measles
D) c) trypanosomiasis
  • 14. 14. Which of the following statements about poliomyelitis is not correct ?
A) b) is capable of paralyzing the limbs
B) c) can be prevented by immunization.
C) d) is an infant disease
D) a) is a bacterial disease.
  • 15. 15. Viruses are pathogen of the following diseases expect
A) a) measles
B) c) poliomyelitis
C) d) tuberculosis
D) b) smallpox
  • 16. 16. Which of these is not correct about the tsetse fly and mosquito? They
A) c) have intermediate hosts
B) d) inject diseases causing organisms into the blood stream
C) b) possess piecing and sucking mouth part
D) a) harbor protozoa as disease agent.
  • 17. 17. Which of these is a vector of malaria fever?
A) a) female anopheles mosquito.
B) b) male anopheles mosquito
C) d) male culex mosquito
D) c) female culex mosquito.
  • 18. 18. Sickle-cell anaemia has persisted in the human race due to
A) a) lack of proper medical for sicklers.
B) d) Wildlife intermediate host.
C) b) carriers being more resistant to malaria.
D) c) Mosquito vectors.
  • 19. 19. One of the methods of preventing measles is by
A) d) vaccinating young children
B) a) sleeping under a mosquito net
C) c) attacking the secondary host.
D) b) attacking the vector
  • 20. 20. Which of the following parasites is a flatworm?
A) c) Ascaris
B) b) trypanosome
C) d) schistosoma.
D) a) plasmodium
  • 21. Part 2
    Section B

    Instructions: Attempt One question in this section.

    1. (a) One bacterial parasite of humans.

    (b) List four symptoms of malaria.

    (c) Mention six methods of controlling malaria in West Africa.

    2. (a) What are microorganisms?

    (i) List five groups of microorganisms with two examples of each

    (ii) Describe ways by which microorganisms can be transmitted

    (b) State four factors that can affect the growth of microorganisms.

    Section C

    Instructions: Attempt One question in this section.

    3. (a) State the vectors and the diseases caused by the following organisms (i) plasmodium (ii) trypanosome (iii) vibro-cholerea

    (b) List three ways of measuring the growth of bacteria.

    4. (a) Mention five sexually transmitted diseases

    (i) State the causative organisms of the diseases mentioned above.

    (b) What are sexually transmitted infections?

    (i) What is the full meaning of the following? HIV, AIDS, STDs, STIs, HPV.
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