In a food chain consisting of grass, frog, bird and insects, where will the concentration of the harmful chemicals be maximum?

Academic Biology NCERT Class 10

In a food chain, Birds will have the concentration of the harmful chemicals be maximum.

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Updated on: 18-Jan-2023

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A food chain comprises of cat, seed-eating bird, plants, and dog. The organism which will have the maximum concentration of harmful pesticides coming through the food chain is most likely to be :(a) cat (b) plants (c) dog (d) seed-eating bird
In a food chain of frog, grass, insect, and snake, assign trophic level to frog.
In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :(a) insect (b) snake (c) frog (d) grass
Paheli wrote a food chain in the following way:frog →eagle →insects → grass →snakeThe chain is not in the correct order. Help her to write the food chain correctly.
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?
Consider the food chain :Grass → Deer → LionWhat will happen if all the lions are removed from the above food chain?
What is meant by biological magnification? With the help of a food chain, explain how biological magnification of harmful chemicals can occur.
What will happen if deer is missing in the food chain given below?Grass → Deer → Tiger(a) The population of tigers increases(b) the population of grass decreases(c) Tigers will start eating grass(d) The population of tigers decreases and the population of grass increases.
Which of the following constitute a food chain?(a) Grass, wheat and mango(b) Grass, goat and human(c) Goat, cow and elephant(d) Grass, fish and goat
Most of the water surface of a lake is covered with algae. This algae is part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?(a) big fish (b) bird (c) larvae (d) small fish
A food chain consists of fish, larvae, phytoplankton, and birds. The level of pesticides in water in which the fish, larvae, and phytoplanktons live is quite high.(a) In which organisms the pesticides enter from the polluted water? What is this level of organisms known as?(b) Which organism will have the maximum amount of pesticides accumulated through the food chain? What is this process known as?(c) Write the food chain comprising all the organisms mentioned above.(d) Which other organism you could write in place of bird in the above food chain?
Name the process in which a harmful chemical enters the food chain and gets concentrated at each trophic level.
Which of the following limits the number of trophic levels in a food chain?(a) insufficient food supply from producer level(b) decrease in energy at higher trophic levels(c) increase in the number of organisms at higher trophic levels(d) accumulation of harmful chemicals at higher trophic levels
What is the meaning of food chain?
Which of the following group of organisms are not constituents of a food chain?grass, lion, rabbit, wolfplankton, man, fish, grasshopperwolf, grass, snake, tigerfrog, snake, eagle, grass, grasshopper(a) (i) and (iii)(b) (iii) and (iv)(c) (ii) and (iii)(d) (i) and (iv)

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