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(c) biomagnification
(c) both living organisms and non-living objects
(b) Crop field
(d) All the above
(b) Grass, goat and human
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
(c) biomagnification
(c) biomagnification
See lessAn ecosystem includes
(c) both living organisms and non-living objects
(c) both living organisms and non-living objects
See lessWhich one of the following is an artificial ecosystem?
(b) Crop field
(b) Crop field
See lessWhich of the following are environment-friendly practices?
(d) All the above
(d) All the above
See lessWhich of the following constitute a food-chain?
(b) Grass, goat and human
(b) Grass, goat and human
See less