Advertisements
Advertisements
प्रश्न
In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?
उत्तर
The bird in the food chain will have the maximum concentration of harmful chemicals among the given organisms, because it lies at the highest trophic level
APPEARS IN
संबंधित प्रश्न
The first trophic level in a food chain is always a green plant. Why ?
We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain.
What is biological magnification?
At which trophic level a person is feeding when he is eating eggs.
A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
Name two zooplanktons.
With the help of a food chain, explain how biological magnification of harmful chemicals can occur.
Explain why, a food chain usually cannot have more than three or four steps.
What provides the energy which then flows through a food chain?
(a) glucose
(b) oxygen
(c) respiration
(d) sunlight
Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.
______ obtained energy from the chemical breakdown of dead organisms.
