EASY
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In forest ecosystem, pyramid of number is 

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Important Questions on Ecosystem

EASY
Biology>Ecology>Ecosystem>Ecological Pyramids
Explain the flow of energy in an ecosystem with the help of a diagram.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
Describe an inverted pyramid of biomass with the help of an example.
EASY
Biology>Ecology>Ecosystem>Ecological Pyramids

Write the differences between 

Food chain and food web

HARD
Biology>Ecology>Ecosystem>Ecological Pyramids
If the age pyramid is triangle then choose correct answer from the given options.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
Which of the following statements is not correct?
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids

Select the correct option for the "P" and "Q" in the given chart of a biological magnification of pesticides.

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MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
Explain the process of the flow of energy in different trophic level of an ecosystem.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids

Given below is data showing number of individuals and dry weight of different trophic levels in a grassland ecosystem. Construct:

Pyramid of number

Trophic Level Number of individuals Dry weight (Kg m-2)
Primary Producer 5,84,2000 809
Primary consumer 7,08,000 37
Secondary consumer 3.54,000 11
Tertiary consumer 3 1.5
EASY
Biology>Ecology>Ecosystem>Ecological Pyramids
Which ONE of the following options lists the primary energy source(s) for all forms of life on earth?
EASY
Biology>Ecology>Ecosystem>Ecological Pyramids
If 20J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
plant → mice → snake → peacock
HARD
Biology>Ecology>Ecosystem>Ecological Pyramids
By which way the flow of energy and nutrients takes place in an ecosystem.
EASY
Biology>Ecology>Ecosystem>Ecological Pyramids
Which of the following ecological pyramids is generally inverted?
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
Which one of the following has the largest population in a food chain?
HARD
Biology>Ecology>Ecosystem>Ecological Pyramids
With the help of the diagram, explain the flow of energy in an ecosystem.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids

Given below is data showing number of individuals and dry weight of different trophic levels in a grassland ecosystem. Construct:

Pyramid of Biomass

Trophic Level Number of individuals Dry weight (Kg m-2)
Primary Producer 5,84,2000 809
Primary consumer 7,08,000 37
Secondary consumer 3.54,000 11
Tertiary consumer 3 1.5
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
In marine ecosystem, the pyramid of biomass is
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
What is the percentage of energy that passes from one trophic level to the next trophic level?
EASY
Biology>Ecology>Ecosystem>Ecological Pyramids
The tropic relationship is expressed in terms of numbers: biomass or energy arranged one on the top of its lower tropic level, resulting in a pyramidal shape. In case of a parasitic food chain. the pyramid number is _________
MEDIUM
Biology>Ecology>Ecosystem>Ecological Pyramids
Which of the following statements is incorrect?
HARD
Biology>Ecology>Ecosystem>Ecological Pyramids
What type of ecological pyramid would be obtained with following data?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g