Oil is sprayed over stagnant water in which mosquitoes br...
Oil is sprayed over stagnant water in which mosquitoes breed in order to
provide landing surface for the adult
prevent larva or pupa from attaching itself to the surface
prevent the water from overheating
lubricate the larva for easy movement
provide surface for laying their eggs
Correct answer is B
No explanation has been provided for this answer.
The following are involved in reflex action EXCEPT ...
The respiratory structures of insects are ...
which of the following is NOT true of mucor? it ...
Which of the following statements about the maize grain is not correct? ...
The importance of practising crop-rotation in agriculture is to ...
The parts used by the tapeworm to fasten itself to the host’s intestine are the ...
Underground stems which grow horizontally through the soil are ...
Water vapour is lost in plants during transpiration through ...