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8.Microbes in Human Welfare
normal
Pyrethrin is a common ingredient of
A
Mosquito coils
B
Fly sprays
C
Mosquito mats
D
All the above
Solution
(d)Pyrethrum are obtained from the dry inflorescence of Chrysanthemum cinerarifolium. Pyrethrin is also used for sprays, mosquito coils mats and aerosols.
Standard 12
Biology