Ecology
Practice Ecology MCQs from Biology — Science.
The term used for a group of different populations living in the same area and interacting is:
Which of these gases is absorbed by plants during photosynthesis?
Which trophic level has the most biomass in a stable terrestrial ecosystem?
Which bacteria is found in the root nodules of leguminous plants?
The transfer of energy from one trophic level to another is governed by which law?
A specific bird species follows a herd of cattle to eat insects stirred up by the cattle's movement. This bird is neither helping nor harming the cattle. This is:
In a forest ecosystem, if all the tigers are removed, what will be the immediate impact on the deer population?
Which of these correctly represents the Net Primary Productivity (NPP)?
What is the phenotypic effect of 'Biological Magnification' on predatory birds like eagles in the past?
In the context of the Nitrogen Cycle, identify the process occurring in waterlogged soils where nitrates are converted back to Nitrogen gas.
Which ecological concept explains why there are usually no more than 4 or 5 trophic levels in a food chain?
What is the main difference between a food chain and a food web?
Which of the following is true regarding 'Secondary Succession'?
Identify the 'Inverted Pyramid of Biomass' which is characteristic of:
Calculate the energy at the 4th trophic level if the sun provides 1,000,000 J of energy and producers capture only 1% of it.
Which of these is a density-independent factor limiting population growth?
In a pond ecosystem, 'Zooplankton' occupy which trophic level?