Advertisements
Advertisements
प्रश्न
If a harmful chemical enters a food chain comprising cat, mice and plants, which one of these organisms is likely to have the maximum concentration of the harmful chemical in its body?
उत्तर
The cat in the food chain will have the maximum concentration of harmful chemicals in its body because it lies at the highest trophic level.
APPEARS IN
संबंधित प्रश्न
Give reason to justify the following: Flow of energy in a food chain is unidirectional.
Which organisms belong to third and fourth trophic levels in the food chain comprising the following?
Rats, Plants, Hawk, Snakes
At which trophic level a person is feeding when he is eating apple.
Which of the following statement is incorrect?
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
What could be X?
Name two predators of snakes in a food web operating in a forest ecosystem.
Explain why, the flow of energy in the ecosystem is said to be unidirectional.
The harmful chemical which is accumulating in human beings through food chain is :
(a) benzenehexachloride
(b) dichlorodiphenyltrichloroethane
(c) chlorofluorocarbon
(d) abscisic acid
Food chains are very important for the survival of most species.
Matter and energy are two fundamental inputs of an ecosystem. Movement of:
DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.