Keystone species deserve protection because these

Statement $I$: In many cultures,tracts of forest were set aside,and all the trees and wildlife within were venerated and given total protection; these are referred to as sacred groves.
Statement $II$: In Meghalaya,the sacred groves are the last refuges for a large number of rare and threatened animals.

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

$(i)$ Sacred groves $(ii)$ Hot spots $(iii)$ National park $(iv)$ Wild life safari park $(v)$ Seed bank $(vi)$ Biosphere reserve. Select the correct answer from the options given below $:-$ $(a)$ $i, ii, iii, vi$ are the examples of in-situ conservation. $(b)$ $iv, v$ are the examples of ex-situ conservation. $(c)$ $ii, iv, v$ are the examples of ex-situ conservation. $(d)$ $i, ii, iii, iv, vi$ are the examples of in-situ conservation.

The Indian wild ass is in the category of ..... by the Wildlife Protection Act of the government of India.

Which of the following national parks is home to the famous musk deer or hangul?