Match the items given in Column I with those inColumn II and select the correct option givenbelow: 
Column I                                     Column II 
a. Eutrophication                          i. UV-B radiation 
b. Sanitary landfill                        ii. Deforestation 
c. Snow blindness                        iii. Nutrient enrichment 
d. Jhum cultivation                       iv. Waste disposal

1. a-ii b-i c-iii d-iv

2. a-i b-iii c-iv d-ii

3. a-iii b-iv c-i d-ii

4. a-i b-ii c-iv d-iii

Joint Forest Management Concept was introduced in India during
(1) 1970s

(2) 1980s

(3) 1990s

(4) 1960s