मराठी

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? - Science

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प्रश्न

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?

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उत्तर

X is a small fish.

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पाठ 5: Our Environment - Exercise 1 [पृष्ठ २३०]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 1 | Q 76.3 | पृष्ठ २३०

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What are trophic levels? Give an example of a food chain and state the different trophic levels in it.


Name one decomposer.


Give an example of a four step food chain operating in grassland. Name the secondary consumer in this food chain


Write down a food chain with five links in it.


At which trophic level a person is feeding when he is eating eggs.


The sea water contains water beetles, tadpole, fish and weeds.

Which organism is a secondary consumer?


The following is a food chain that ends with human :

How does this food chain differ form a usual food chain involving human such as : plants → goat → human?


Fill in the following blank with suitable word :

Plants → Antelope → ............


What does garbage consist of?


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 organism will have the maximum amount of pesticides accumulated through the food chain? What is this process known as?


Your mother always thought that fruit juices are very healthy for everyone. One day she read in the newspaper that some brands of fruit juices in the market have been found to contain certain level of pesticides in them. She got worried as pesticides are injurious to our health.
(a) How would you explain to your mother about fruit juices getting contaminated with pesticides?
(b) It is said that when these harmful pesticides enter our body as well as in the bodies of other organisms they get accumulated and beyond a limit cause harm and damage to our organs. Name the phenomenon and write about it.


Bacteria and fungi are called decomposers.


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?


Green plants utilize ______ percent of sun’s energy to prepare their food by the process of photosynthesis.


Food chains are very important for the survival of most species.

Matter and energy are two fundamental inputs of an ecosystem. Movement of:


Animals that eat both plants and animals are called as Carnivores.


Differentiate between herbivores and carnivores.


Which 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

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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