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 on the basis of the codes given below:

[UPSC Civil Services Exam – 2011 Prelims]

(a) 1, 2 and 3 only

(b) 2, 3 and 4 only

(c) 2 and 3 only

(d) 1, 2, 3 and 4

Answer: (d)        

Explanation:

Biodiversity is essential for human survival as it provides the foundation for soil formation and prevents erosion. It also plays a crucial role in recycling waste, which is necessary for maintaining human life. The pollination of crops by diverse species is critical for food production and supporting human livelihoods. Therefore, Biodiversity is the fundamental building block of human existence.