Ozone depletion is occurring due to <span id="_wysihtml5-undo" class="_wysihtml5-temp"&g…

Bio-agents such as culture of blue green algae are used in preparation of</h2></div>

In 2015 and 2017, there was very heavy rain in our state. In 2016, there was no adequate rain. These extreme conditions …

A rapid growth of photosynthetic algae in water develops 'bloom'. How would it affect the environment of water?</h2&g…

Which of the following is major source of water pollution?</h2></div>

A large quantity of urban sewage is drained into nearby village river. Which among the given conditions would happen aft…

Quote three instances where human intervention saved the forests from destruction.</h2></div>

Name two natural biopesticides.</h2></div>