1. A single bacterium in the soil interacts with.
A. The water
B. Air
C. Particles of soil around it
D. All of the above
E. None of the above
2. The organism that depends on plants for food and energy is called as.
A. Consumer
B. Decomposer
C. Carnivorous
D. Insectivorous
E. None of the above
3. Terrestrial biomes have a rapid exchange of.
A. Carbon dioxide
B. Oxygen
C. Water
D. All of the above
E. None of the above
4. The net amount of energy that is fixed by plants is called.
A. Gross primary production
B. Net energy
C. Net production
D. Gross usage
E. None of the above
5. The following is an example of Terrestrial Biome.
A. Tropical rainforest
B. Rivers
C. Streams
D. All of the above
E. None of the above
6. Which of the following is the example of primary producers in the ecosystem?
A. Animal
B. Plants
C. Fungi
D. Arthropods
E. None of the above
7. Energy _____ in an Ecosystem.
A. Is released
B. Is absorbed
C. Flows
D. All of the above
E. None of the above
8. Movement of matter through the ecosystem is called.
A. Biogeochemical cycle
B. Chemical cycle
C. Biological cycle
D. Geothermal cycle
E. None of the above
9. Which of the following is the smallest unit of Ecosystem?
A. Ionosphere
B. Lithosphere
C. Biosphere
D. Mesosphere
E. None of the above
10. Movement of matter through the ecosystem is called.
A. Biological cycle
B. Chemical cycle
C. Biogeochemical cycle
D. Geothermal cycle
E. None of the above
11. The Biosphere consists of the following.
A. Lakes
B. Soils
C. Solid sediments
D. All of the above
E. None of the above
12. Communities along with their physical environments are known as.
A. Ecology
B. Ecosystem
C. Population
D. Species
E. None of the above
More ECOLOGY MCQs
