List of top Biology Questions on Eco-System

Ecosystem creates
Which one of the following is a primary consumer
The actively moving organisms in aquatic ecosystem is
The biomass available for consumption by the herbivores and the decomposers is called
Study the cycle shown below and select the . option which gives correct words for all the four blank A, B, C and D.
Which of the ecological pyramid is always upright?
What is the Greek word for ecology?
Which one of the following ecosystem types has the highest annual net primary productivity ?
In ecological succession, the climax community is best recognized by the following state.
In an ecosystem, the cycling of nutrients is known as
Plants which are attached to the stones and rocks are
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
Trophic levels in ecosystem is formed by
Which of the following is an example of man-made ecosystem?
Which are the first organisms to colonize on a bare rock ?
Energy and nutrients enter a community by
About 70% of total global carbon is found in
The slow rate of decomposition of fallen logs in nature is due to
A detritivorus animal of economic importance is
Which of the following ecological pyramids can never occur in inverted form ?
The lentic ecosystem includes which of the following water ?
Phytoplankton are
Different communities represented by combinations of mosses, herbs, shrubs and trees replacing one another during succession are referred as
Which ecosystem has the highest primary productivity ?
Which of the following is the most productive ecosystem ?