alleryGrass (10,000 J) → grasshopper → frog → snake; 10% energy passes per step. Snake energy; highest persistent-pesticide concentration?
A100 J; grass
B10 J; snake
C1,000 J; grasshopper
D10 J; grass
Answer & Solution
Correct answer: B. 10 J; snake
Three transfers leave 10 J for the snake, while biomagnification gives the highest persistent-pesticide concentration to this top consumer.
Keep practising Geography and the Environment
Browse all Geography and the Environment questions for RPF Constable, or explore more General Awareness topics.
Related questions
Geography in practiceMatch contour ploughing; shelter belts to the erosion mainly checked.Which rooftop-rainwater design helps replenish groundwater?Which pair consists of energy resources renewed by natural flows rather than exhaustible fWhy can clearing a forested slope increase topsoil loss in rain?If protective ozone in the upper atmosphere decreases, which exposure is most directly incWhich pair can ordinarily be composted?How do energy and nutrients move in an ecosystem?