Consider the following statements :
The boundaries of a National Park are defined by legislation.
A Biosphere Reserve is declared to conserve a few specific species of flora and fauna.
In a Wildlife Sanctuary, limited biotic interference is permitted.
Which of the statements given above is / correct ?
(a) 1 only (b) 2 and 3 (c) 1 and 3 (d) 1, 2 and 3