Study the given diagram and answer the following question.

Which is the most appropriate statement about the figure ?

Options

A. The trophic levels decrease from molecular level to human beings
B. At each tropic level the pollutants get approximately 10 times concentrated.
C. The level of pollutants is maximum at molecular level and minimum in human beings
D. Repeated use of toxins reduces its c oncentration at highest level

Answer

B

Explanation

Most of the pesticides and other nonbiodegradable toxins are transferred from lower trophic level to higher trophic level through food chain . At every level the concentration of toxins increases ten times.