MCQ 471

421) What is the fulform of DDT

Dichloro diphenyl trichloroethylene

422) Endosulfan is an example of

Organochlorine insecticide

423) Difethialone and zinc phosphide are examples of which type of insecticides

Rodenticides

424) Malathion and lindane are examples of which type of pesticides

Pediculicides

425)  The chemicals used to treat lice are known as

Pediculicides

427) What is the name of the chemicals used to kill eelworms which feed on growing crops

Nematicides

428) The chemicals used to kill slugs and snails are known as

Molluscicides

429) The heating of rubber with sulphur is known as

Vulcanisation

430) Which colour is used to label the slightly toxic pesticides

Green

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