मराठी

A Food Chain Consists of Fish, Larvae, Phytoplanktons and Birds. the Level of Pesticides in Water in Which the Fish, Larvae and Phytoplanktons Live is Quite High. Write the Food Chain Comprising

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प्रश्न

A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.

Write the food chain comprising all the organisms mentioned above.

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उत्तर

Phytoplankton→ Larvae→ Fish→ Birds

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पाठ 5: Our Environment - Exercise 2 [पृष्ठ २४४]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 2 | Q 64.3 | पृष्ठ २४४

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संबंधित प्रश्‍न

What will be the amount of energy available to the organisms of the 2nd trophic level of a food chain if the energy available at the first trophic level is 10,000 joules?


"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?


Construct a food chain comprising the following :
Snakes, Hawk, Rats, Plants


Name one decomposer.


Draw the food chain with four trophic levels.


Consider the food chain :
Grass → Deer → Lion
What will happen if all the lions are removed from the above food chain?


Write down a food chain with five links in it.


What will happen if deer is missing in the food chain given below?

Grass → Deer → Tiger


Organisms which synthesise carbohydrates from inorganic compounds by using radiant energy are called ______.


Which of the following group of organisms are not constituents of a food chain?

  1. grass, lion, rabbit, wolf
  2. plankton, man, fish, grasshopper
  3. wolf, grass, snake, tiger
  4. frog, snake, eagle, grass, grasshopper

Name two predators of snakes in a food web operating in a forest ecosystem.


What does garbage consist of?


In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock


A food chain consists of fish, larvae, phytoplanktons and birds. The level of pesticides in water in which the fish, larvae and phytoplanktons live is quite high.

Which other organism you could write in place of bird in the above food chain?


What would happen if an organism is removed from the food chain?


In a given food chain if the amount of energy at the fourth trophic level is 6 kJ, what will be the energy available at the producer level?


The process of accumulation of harmful chemical substances like pesticides, in the body of living organisms at each trophic level of a food chain is known as ______.


______ are organisms that are able to produce their own organic food.


In the following food chain, only 2J of energy was available to the peacocks. How much energy would have been present in Grass? Justify your answer.

GRASS → GRASS HOPPER → FROG → SNAKE → PEACOCK


If a harmful chemical enters a food chain comprising peacocks, plants, rats and snakes, which of these organisms is likely to have the highest concentration of the chemical in its body? Justify your answer. Name the process involved and define it.


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