मराठी

The decomposers in an ecosystem ______. - Science

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प्रश्न

The decomposers in an ecosystem ______.

पर्याय

  • convert inorganic material, to simpler forms

  • convert organic material to inorganic forms

  • convert inorganic materials into organic compounds

  • do not breakdown organic compounds

MCQ
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उत्तर

The decomposers in an ecosystem convert organic material to inorganic forms.

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पाठ 5: Our Environment - Exercise 1 [पृष्ठ २२८]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 5 Our Environment
Exercise 1 | Q 56 | पृष्ठ २२८

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

In a food chain of frog, grass, insect and snake, assign trophic level to frog.


Which of the following belong to the same trophic level?
Goat ; Spider ; Plants ; Hawk ; Rat

 

Write an aquatic food chain.


Fill in the following blank with suitable word :

A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a .............


What is meant by a primary consumer, secondary consumer and a tertiary consumer? Give one example of each.


Write down a food chain which ends with humans.


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


Give one example of a simple food chain.


If a grasshopper is eaten by a frog, then the energy transfer will be from ______.


The following is a food chain that ends with human :
plants → bee → human

How do bees provide food for humans?


A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y

Name two zooplanktons.


'If we excessively use pesticides to protect the crops from diseases, then it may cause long-term  damage to mankind'. Justify this statement.


Name and state the law given by Lindeman which tells us how much energy entering a particular trophic level of organisms is available for trasnsfer to the next higher trophic level.


Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore


The harmful chemical which is accumulating in human beings through food chain is :
(a) benzenehexachloride
(b) dichlorodiphenyltrichloroethane
(c) chlorofluorocarbon
(d) abscisic acid


We should reduce the use of the plastic bags, bottles etc. because ______.


If 100 J energy is available at the producer level in a food chain then the energy available to the secondary consumer will be ______.


Assertion (A): The energy which passes to the herbivores does not come back to autotrophs.

Reason (R): The flow of energy in a food chain is unidirectional.


Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement. 


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