Q: 61 (IAS/2011)

Biodiversity forms the basis for human Existence in the following ways :
1. Soil formation
2. Prevention of soil erosion.
3. Recycling of waste
4. Pollination of crops
Select the correct answer using thew codes given below :
question_subject: 
Ecology
question_year: 
2011
question_exam: 
IAS
question_sub_subject: 
Ecology
question_topic: 
Ecology
stats: 
0,10216,2632,608,976,1048,10216