हिंदी

Define Decomposers.

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प्रश्न

Define decomposers. 

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उत्तर

Micro-organisms that break down the complex organic compounds present in dead plants and animals and their products, such as faeces and urine, into simpler substances are called decomposers. 

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अध्याय 5: Our Environment - Exercise 1 [पृष्ठ २२६]

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लखमीर सिंग Biology Part 3 [English] Class 10
अध्याय 5 Our Environment
Exercise 1 | Q 21.1 | पृष्ठ २२६

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संबंधित प्रश्न

The first trophic level in a food chain is always a green plant. Why ?


Which of the following constitute a food-chain?


What are planktons?


The following statement is true or false :
 In biology, human beings are called producers.


Which category of organisms forms the starting point of a food chain?


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

 

What is a food chain?


Which of the following statement is incorrect?


In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is :
(a) insect
(b) snake
(c) frog
(d) grass


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

Which organism is a secondary consumer?


Explain how harmful chemicals enter our bodies.


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


How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun?


If the energy available at the producer level in a food chain is 150 J, how much energy will be transferred to : tertiary consumer?
(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J


Primary consumers that eat plants are called _______.


Bacteria and fungi are called decomposers.


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

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


Analogy:

Primary Consumer: Goat, Cow:: Secondary Consumer: ______.


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