How many wildlife sanctuaries are there in India?

Where was the historic convention on biological diversity held?

$(i)$ 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.

Which of the following is $NOT$ an example of $ex-situ$ conservation?

The single-horned rhinoceros is protected at . . . . . .

The species listed in the Red Data Book are