A. Abiotic factors
B. Biotic factors
C. Both (a) & (b)
D. None of these
Related Mcqs:
- In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
A. Primary and secondary consumers are similar
B. Both biotic and abiotic components are different
C. The biotic components are almost similar
D. The abiotic components are almost similar - Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:
A. Pinus nigra – Japan
B. Euralyptus – Australia
C. Polunia – China
D. All of the above - Hazards include all those factors that can injure or kill an animal (natural factors)
A. Fire, rain and wind as well as man made structures such as roads and fences
B. Thus challenging an animal’s physiological capacity as to prevent it from reproducing successfully
C. Both (a) & (b)
D. None of these - Non-renewable environmental resources include various metals non-metalic minerals and
A. Coal
B. Natural gas
C. Oil
D. Fossil fuels - Environmental stability is:
A. All the material resources around us and degradation is closely related to the pattern of resource use within the society
B. The trees are the most important feature of the environment in which we leve, work, play and enjoy the bounties of nature
C. Both (a) & (b)
D. None of these - Environmental Amelioration is:
A. Environmental stability
B. Trees and the landscape
C. Trees and man
D. Control of air pollution
E. All of the above - The first international conference for globalizing the environmental problems ws held at:
A. Stockholm
B. Paris
C. London
D. Tokyo - Most severe environmental hazard to mankind is due to:
A. Air pollution
B. Water pollution
C. Noise Pollution
D. Radioactive pollution - A group of plants living together under similar or dissimilar environmental conditions is called:
A. Vegetation
B. Flora
C. Species
D. Community - What is contributed from the outer space in an ecosystem?
A. All the atmospheric gases
B. Only carbon, hydrogen and oxygen
C. Energy only
D. All the above components
The correct answer to the question: "Environmental factors in ecosystem:" is "Both (a) & (b) ".