Which one of the following diseases is caused by protozoans?

  • A
    Malaria
  • B
    Influenza
  • C
    $AIDS$
  • D
    Cholera

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Similar Questions

Complete the given table:
Disease Causative organism Mode of transmission
Dengue fever $... (a) ...$ $... (b) ...$
$... (c) ...$ Vibrio cholerae Contaminated food and water
$... (d) ...$ $HIV$ $... (e) ...$
Common cold Virus $... (f) ...$

Explain the following statement by giving two examples: 'It is not necessary that the pathogen affects an organ or tissue depending upon its point of entry.'

Which one of the following causes kala-azar?

$AIDS$ cannot be transmitted by:

Explain giving reasons:
$(a)$ Balanced diet is necessary for maintaining a healthy body.
$(b)$ The health of an organism depends upon the surrounding environmental conditions.
$(c)$ Our surrounding area should be free of stagnant water.
$(d)$ Social harmony and good economic conditions are necessary for good health.

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