It is advised to put oil on stagnant water to prevent breeding of mosq – McqOptions

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1.	It is advised to put oil on stagnant water to prevent breeding of mosquitoes. This is because (CTET Feb 2016)
A.	oil cut off oxygen supply, thereby stops the breeding of mosquitoes
B.	mosquitoes are repelled by oil
C.	mosquitoes are killed by oil
D.	mosquitoes get stuck in the layer of oil
Answer» B. mosquitoes are repelled by oil

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