Ecosystem

The term ecology was coined by

• A. G. Tanslay

• W Rosen

• Einstein

• None

Organisms which depend on producers are called

• Autotrophs

• Consumers

• Saprophytes

• Xerophytes

The inherent ability of organisms to produce & multiply is called

• C value

• k value

• Biotic Potential

• Carrying capacity

The animal which consumes decaying organic matter is

• Autotrophs

• Heterotrophes

• Decomposer

• None

In Aquatic ecosystems, carbon is stored in:

• Marine plants

• Marine animals

• Rocks and sediments

• Sea water

The three major living components of an ecosystem are

• i)Producers, consumers and Decomposers

• ii)Producers, Autotrophs and Decomposers 

• iii)Heterotrophs, Consumers and Reducers

• iv)Detritivores, Consumers and Phototroph
  s

Important abiotic factors in ecosystems include which of the following?

• i)temperature

• ii)water

• iii)wind

• iv)all of the above

The flow of energy is in ecosystem-

• i)Oneway

• i)Twoway

• i)cyclic

• none

A Food Chain operating on the dead remains of the living organisms :

• grazing food
  chain 

• Aquatic food chain 

• Detritus food chain

• None

In a terrestrial ecosystem, the trophic level that would contain the largest biomass would be the 

• producers 

• consumers

• decomposers

• heterotrophs