Silent Valley is a :

Silent Valley is located in :

Silent Valley is tropical evergreen forest located in

Silent Valley has been preserved as it has :

Silent valley is tropical evergreen forest located in

Consider the following statements and which of them is correct ? A . Silent valley is located in Uttarakhand . B. In Silent valley ,different variety of birds are found and it is famous for it . C. Chipko movement started in Uttarakhand .

Select the correct option : (a) The Earth Summit (i) Nanda Devi (b) Alien species (ii) Silent Valley ( c ) National park (iii) Rio de janeiro (d) Biosphere Reserve (iv) Nile Perch in Lake Victoria