Choose the correct option regarding integrated organic farming.

Ahmed Khan,in collaboration with whom,developed a method to produce plastic roads?

Identify the correct statements from the following:
$(i)$ $DDT$ is non-biodegradable.
$(ii)$ Heavy metals are responsible for biomagnification.
$(iii)$ High concentration of $DDT$ disturbs calcium metabolism in birds.
$(iv)$ The concentration of $DDT$ in large fish can be up to $2 \, ppm$.

In order to protect and improve the quality of our environment,the government of India passed the Environment (Protection) Act in which year?

The maximum biomagnification would be in which of the following in case of an aquatic ecosystem?

Which act was enacted by the Government of India to protect and improve the quality of our environment and to control environmental pollution?