The primary and secondary hosts respectively of bilharzia...
The primary and secondary hosts respectively of bilharzia are
fish and man
man and dog
man and snail
fish and snail
Correct answer is C
The intermediate hosts of Schistosoma spp. (Bilharziasis) are various species of freshwater snails. Eggs are shed from the human host in feces or urine. Under optimal conditions in the environment, the eggs hatch and release miracidia, which swim and penetrate specific snail intermediate hosts.
The pituitary gland is regarded as the master gland because ...
The genetic composition of an organism is termed ...
The part labelled I in the diagram is the ...
A group of rats placed in an air-tight box for some hours died because they ...
The scientific study of life is ...
Normal adult human male has ...
Which of the following statements is not true of a fish? ...
Which of the following statements is TRUE of inhalation of air by man? ...
Which of these statements is NOT an idea contained in Lamarck’s theory of evolution? ...