Which of the following shows biological amplification?
Hg
Cd
Both (A) and (B)
Neither (A) nor (B)
Which of the following shows biological amplification?
Ultra-violet light causes |
Answer |
The ultraviolet radiations in the stratosphere are absorbed by |
Answer |
Escherichia coli used as an indicator organism to determine pollution of water with |
Answer |
Eutrophication causes decrease in |
Answer |
Addition of phosphates and nitrates/fertilizers into water leads to |
Answer |
Ozone depletion in the stratosphere will cause |
Answer |
Measuring Biochemical Oxygen Demand (BOD) is a method used for |
Answer |
Minamata disease is due to pollution of |
Answer |
Most abundant water pollutant is |
Answer |
Most harmful environmental pollutants are |
Answer |