Ecosystem Quiz

This quiz is designed to assess your basic knowledge in 'ecology '.  Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'.  Percentage scores will be displayed along with the right answers. 

1. The term ecosystem was coined by
E. Haeckel
E. Warming
A. G. Tansley
E. P. Odum

2.Which one of the following is a characteristic feature of cropland ecosystem?
Absence of weeds
Ecological succession
Absence of soil organisms
Least genetic diversity

3. In the equation, GPP-R=NPP 'R' represents
respiration losses
radiant energy
environment factor
retrdation factor

 

4. The primary producers of the deep sea hydrothermal vent ecosystem are
green algae
chemosynthetic bacteria
blue green algae
coral reefs

5.Which of the following statements is not correct?
Pyramid of numbers in a grassland ecosystem is upright
Pyramid of biomass in sea is generally inverted
Pyramid of biomass in sea is generally upright
Pyramid of energy is always upright

6. Which of the following would appear as the pioneer organisms on bare rocks
Mosses
Lichens
Liverwort
Green algae

7.Which of the following ecological pyramids is generally inverted?
Pyramid of biomass in a sea
Pyramids of numbers in grassland
Pyramid of energy
Pyramid of biomass in a forest

8.Which one of the following will accelerate phosphorus cycle?
Volcanic activity
burning of fossil fuels
rain fall and storms
weathering of rocks

9.Detrivores breakdown detritus into smaller particles. The process called:
Catabolism
Decomposition
Fragmentation
Humification

10. The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as ...?
climax
standing crop
standing state
climax community

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