When was the Biodiversity Act of India passed by the Parliament?

Wildlife conservation aims at:
$I$. Maintaining the ecological process.
$II$. To enrich the wildlife diversity with exotic species.
$III$. Preventing migration of species.
$IV$. Maintaining the diversity of life.
The correct statements are:

Which of the following is a strategy for $Ex-situ$ conservation of animals?

For better survival of the human population,which of the following steps is most important?

Which one of the following is the correctly matched pair of an endangered animal and a national park?

India has how many biosphere reserves?