Q. Which of the following is/are causes behind declining population of pollinators?
1. Excessive use of fertilizer and pesticides
2. Practice of crop diversification
3. Improper land use practices
Select the correct answer using the codes given below:

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] All of the above

Answer: C
Notes:

Causes behind declining population of pollinators: 

  • Destruction of habitat through natural as well as manmade causes 
  • Improper land-use such as excessive grazing 
  • Excessive use of fertilizer and increased trend of monoculture farming 
  • High pesticide uses to increase the yield of crops 
  • Climate change is considered as fourth leading clause behind declining population of pollinators 

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