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Ecosystem

Question

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State True or False :
A.
Driving force in an ecosystem is formed of producers.
B.
Energy and materials follow unidirectional flow.
C.
Earth is a closed system as far as materials are concerned.
D.
Water and Phosphorus cycles are gaseous cycles.
E.
Biosphere is also called Ecosphere.

Solution

A. FALSE
B. FALSE
C. TRUE
D. FALSE
E. TRUE

Some More Questions From Ecosystem Chapter

The animals depend on plants (directly or indirectly) for their food needs and are therefore called :

What trophic level is occupied by the Zooplankton in an ecosystem ?

Cows feed on grass, they are called :

Which one of the following has the largest population in a food chain ?

The second trophic level in a lake is :

Secondary producers are :

What is the percentage of photosynthetically active radiation (PAR), if incident solar radiation is considered 100% ?

Fill in the blanks with suitable words :
1. Plants are called as .......................because it fixes carbon dioxide.

2. In ecosystem, dominated by trees, the pyramid is.......................type.

3. In aquatic ecosystems, the limiting factor for the productivity is.......................

4. Common detritivores in our ecosystem are.......................

5. The major reservoir of carbon is.......................

State True or False :

The final community that is at equilibrium with the environment is called?

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