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The chemical used in National Malaria Eradication Program is
A. 2,4- D
B. BHC
C. DDT
D. Pyrethroid

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Last updated date: 15th Jun 2024
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Answer
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Hint:Early malaria control efforts involved removal of breeding sites and later used chemicals like the larvicides Paris green and kerosene. Ronald Ross was the one that acknowledged that the explanation for malaria is that the female Anopheles mosquito that he was awarded the Nobel prize.

Complete answer:
2,4-D is a synthetic auxin which is used as a weedicide.
BHC (Benzene Hexa Chloride) is additionally an organochlorine compound and an isomer of hexachlorocyclohexane used both as an insecticide and as a pharmaceutical treatment of lice and scabies.

DDT (DiChloro Diphenyl Trichloroethane) is an organochlorine compound. These compounds are lipophilic and show much affinity for the fatty tissues of animals. DDT was discovered by Dr. Paul Muller. it had been utilized in the National Malaria Eradication Programme to kill Anopheles mosquitoes. DDT is used to control the malaria in several regions because it is less costly compared to other mosquito controls available in the market. DDT is employed to spray on the walls and on the back side of furniture in order that the mosquitoes won't prey on the occupants. DDT was used for malaria control after World war II. The National Malaria Eradication Program started an eradication phase of indoor residual spraying of DDT which resulted in malaria eradication.

Pyrethroids are synthetic derivatives of pyrethrin which are used as insecticides.

Thus, the correct answer is C (DDT)

Note:The main part of vector control is restricting the transmission of malaria by controlling the vector (female anopheles mosquito) population. This controlling includes incrimination of vector species, knowledge and understanding of vector biology and ecology, public education, and implementation of effective control measures.