Biology

Question 1

1River blindness (onchocerciasis) is spread by the

Easy

A. housefly B. sandfly C. blackfly D. tsetse fly

Question 2

2Cholera is caused by the bacterium

Easy

A. Plasmodium falciparum B. Vibrio cholerae C. Mycobacterium tuberculosis D. Salmonella typhi

Question 3

3Bilharzia (schistosomiasis) is spread through

Easy

A. water snails in infected fresh water B. eating rice C. mosquito bites D. coughing

Question 4

4Viruses are considered non-living outside a host because they

Hard

A. are small B. have DNA C. cannot reproduce on their own D. cause disease

Question 5

5Guinea worm disease is contracted by

Easy

A. breathing dust B. touching animals C. mosquito bites D. drinking water containing infected water fleas

Question 6

6Sleeping sickness is carried by the

Easy

A. blackfly B. housefly C. Anopheles mosquito D. tsetse fly

Question 7

7The incubation period of a disease is

Hard

A. the vaccination time B. the time in hospital C. the recovery time D. the time between infection and the appearance of symptoms

Question 8

8Malaria parasites multiply in the human

Hard

A. kidneys B. lungs C. stomach D. liver and red blood cells

Question 9

9HIV attacks the body's

Easy

A. bones B. immune system (T-helper cells) C. muscles D. digestive system

Question 10

10Typhoid fever is caused by a

Easy

A. bacterium (Salmonella typhi) B. protozoan C. virus D. worm