64. Which of the following statements given above is/are correct?
1. Bioaccumulation refers to increase in concentration of a toxin at successive trophic levels.
2. Bio-magnification is the gradual increase in concentration of a chemical over time in an organism.
Options:
64. Which of the following statements given above is/are correct?
1. Bioaccumulation refers to increase in concentration of a toxin at successive trophic levels.
2. Bio-magnification is the gradual increase in concentration of a chemical over time in an organism.
Options:
The correct option is D d. Neither 1 nor 2
d)
Biomagnification refers to increase in concentration of a toxin at successive trophic levels. The toxin gets accumulated in the body of an organism and is passed on to the next level.
Example: DDT and other heavy metals such as mercury, cadmium, etc.
Bioaccumulation is the process by which certain toxic substances such as heavy metals and polychlorinated biphenyls. accumulate and keep on accumulating in living organisms, posing a threat to health, life, and to the environment.
d)
Biomagnification refers to increase in concentration of a toxin at successive trophic levels. The toxin gets accumulated in the body of an organism and is passed on to the next level.
Example: DDT and other heavy metals such as mercury, cadmium, etc.
Bioaccumulation is the process by which certain toxic substances such as heavy metals and polychlorinated biphenyls. accumulate and keep on accumulating in living organisms, posing a threat to health, life, and to the environment.
