Which one of the following is not related to $5\; F's$ of the Chipko movement?

For which major rivers in India has the Ministry of Environment and Forests initiated action plans?

Assertion: Eutrophication shows an increase in productivity in water.
Reason: With increasing eutrophication,the diversity of the phytoplankton increases.

Which of the following strategies is not useful for mitigating global warming?

Which of the following statements is/are correct?
$I.$ Chemical fertilizers cause pollution of water bodies as well as groundwater,besides getting stored in crop plants. Therefore,environmental scientists are pressing for a switch over to organic farming.
$II.$ Organic farming is a form of agriculture that relies on techniques such as crop rotation,green manure,compost,and biological pest control.

The Government of India passed the Environment (Protection) Act in the year $............$.