Chapter 25 - Ecosystem -2

Chapter 25 - Ecosystem -2

1. Study of a single population relationship to its environment is called as:

a) Ecology
b) Synecology
c) Autecology
d) Psychology

2. Major regional ecological community of plants and animals forms:

a) Niche
b) Biosphere
c) Habitat
d) Biomes

3. While studying the community we come a cross following level of integration:

a) Two level
b) Four level
c) Three level
d) Single level

4. OWLS prey on rabbits and mice, this is an example of:

a) Food chain
b) Community
c) Autecology
d) Food web

5. Lichen are dual organism composed of symbiotic association of:

a) Algae with fungi
b) Algae with bacteria
c) Fungi with roots of higher plant
d) Algae with roots of higher plant

6. A short food chain of two or three links supports a community:

a) Efficiently
b) Less efficiently
c) Inefficiently
d) More efficiently

7. Following precent of total energy from the sun is trapped by the producers in an Eco system:

a) 1.0 %
b) 10 %
c) 90 %
d) 99 %

8. All the food chain and food web begin with:

a) Decomposers
b) Tertiary consumers
c) Consumers
d) Producers

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