In view of environmental problems, the use of which insecticide has been reduced? November 15, 2019 by mcq a) Gammexane b) D.D.T c) B.H.C. d) D.M.T. View AnswerOption – b. More QuestionsGraphically, the market demand curve isHow long will it take for two pipes A and B to fill an empty cistern if they worked alternately for an hour each ? A. Working alone, Pipe A can fill the cistern in 40 hours B. Pipe B is one third as efficient as Pipe AThe 2018, which of thefollowing countries have legalizedthe possession and use of recreational cannabis?1, America2. Canada3. Nigeria4. UruguaySelect the correct answer using the code given below:Choose out the odd oneFor telegraphy the most commonly used modulation system isThe filament of an electric bulb is made ofGum Kelucharan Mohapatra is a maestro of which of the following dance formsWhere is fragment information stored?Which of the following rivers have almost the same point of emerging ?Who among the following economists gave the concept of “economies of scale”. Which says “many goods and services can be produced more cheaply in long series”?