Advertisements
Advertisements
Question
Which of the following exhibits biomagnification?
Options
SO2
Mercury
DDT
Both Mercury and DDT
Solution
Both Mercury and DDT
APPEARS IN
RELATED QUESTIONS
What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river.
Water samples were collected at points A, B and C in a segment of a river near a sugar factory and tested for BOD level. The BOD levels of samples A, B and C were 400 mg/L, 480 mg/L and 8 mg/L respectively. What is this indicative of? Explain why the BOD level gets reduced considerably at the collection point C?
Lichens indicate SO2 pollution because they ______.
A high Biological oxygen demand (BOD) indicates that ______.
World’s most problematic aquatic weed is ______.
Name an industry which can cause both air and thermal pollution and as well as eutrophication.
What is an algal bloom?
What do you understand by biomagnification?
Is it true that if the dissolved oxygen level drops to zero, the water will become septic. Give an example which could lower the dissolved oxygen content of an aquatic body.
How has DDT caused decline in bird population?
