NEET Exam Model Paper 4

© examsiri.com

Question : 73 of 180

Marks: +1, -0

In an area, there is a decline in bird populations due to thinning of their egg shell and premature breaking.Probably the reason may be

Eutrophication in a young lake
Biomagnification of DDT in food chain
Sharp decline in DO downstream from the point of sewage discharge
Increased predation pressure in the terrestrial food chain

Go to Question:

Prev Question

Next Question