Ecosystem
Ecosystem: Overview
This topic covers concepts, such as, Natural Ecosystems,Artificial Ecosystems,Patterns of Ecosystem etc.
Important Questions on Ecosystem
The amount of energy left in the producers after utilization of some energy for respiration is known as:
What do you mean by the word 'decaying matter'?
Identify the correct statement:
A. Detrivores perform fragmentation.
B. The humus is further degraded by some microbes during mineralisation.
C. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
D. The detritus food chain begins with living organism.
E. Earthworms break down detritus into smaller particles by a process called catabolism.
Choose the correct answer from the options given below:
In the equation GPP - R = NPP
GPP is Gross Primary Productivity
NPP is Net Primary Productivity
R here is :
Read the following statements and select the correct option:
Statement A: Humus is highly resistant to microbial action and undergoes decomposition at extremely fast rate.
Statement B: The humus is further degraded by some microbes and release of inorganic nutrients occurs by mineralisation.
Marshy areas often consist of hard outer coverings as detritus that are remains of organisms such as crabs. State TWO reasons why decomposition would be limited in such areas.
A stable community is usually resistant to invasion by alien species. Which of the following would NOT be affected in a stable community due to this resistance?
Differentiate between detritivore and decompoer with an example of each.
Will humans beings concluded as primary consumers?
What is the percentage of primary productivity of oceans?
The productivity of ocean is less because
The amount of biomass or organic matter produced per unit area over a period of time by plants during photosynthesis is known as
Which of the following statements is correct?
Which of the following occupy the top vertical strata of the forest ecosystem?
The rate of formation of new organic material by rabbit in a grassland ecosystem is called:
In an ecosystem, the rate of production of organic matter during photosynthesis is termed
Which of the following is not a proper description of decomposition process?
