It is uncontroversial that the main source of best protein in our diet is fish. But unfortunately fish is threatened by a variety of pollutants whether they are effluents containing heavy metal ions or insecticides. Although insecticides have rendered valuable assistance in field of agriculture their harmful effects are also well known. Because of the non biodegradable nature of the chlorinated insecticides they were replaced by organophosphates such as Diazinon marketed under many trade names, basodin, nucidal, neocidal etc. Nevertheless, the OPs have caused many side effects on non target...
It is uncontroversial that the main source of best protein in our diet is fish. But unfortunately fish is threatened by a variety of pollutants whethe...
Science is mostly taught by lecture method and teacher centered method, where students' role is confined to listener. Consequently students memorize scientific concept but don't follow the scientific approach in their daily life. In order to develop scientific approach and attitude among students, It is necessary that science should be taught by employing modern experiment oriented or student centered method. There are many experiment oriented and student centered teaching approaches. Inquiry Based Teaching (IBT) is one of them. This approach discourage rote learning and cramming and ensure...
Science is mostly taught by lecture method and teacher centered method, where students' role is confined to listener. Consequently students memorize s...
