which of the ways of controlling bilharzia can result in ...
which of the ways of controlling bilharzia can result in pollution?
clearing water weeds on which the snail feed
Treating infected people with drugs
Preventing contamination of water by infected urine and faeces
Applying chemical to kill the snails
Correct answer is D
No explanation has been provided for this answer.
In which of the following organisms is the siphon found? ...
Which of the following is NOT an excretory product of animals? ...
Which of the following is not seen in the transverse section of a young monocotyledonous stem? ...
Which of the following organisms has homodont dentition? ...
The group mollusca is characterized by the presence of ...