Question
1. Sardar Sarovar Dam is built on river......... .
2. Number of wildlife sanctuaries in India are ......... .
3. The bird “Dodo” became extinct because of......... .
4. First Earth summit was held at.........and aimed at.........
Solution
Narmada, 448, Excess hunting, Rio-de-Janerio,
conservation of environment sustainable utilisation of its benefits
conservation of environment sustainable utilisation of its benefits