A. Radiation hazard
B. Desertification
C. Deforestation
D. Gleization
Related Mcqs:
- For wildlife, the struggle for survival became a competition with human beings and their livestock for the very basis of:
A. Life
B. Food
C. Shelter
D. Space
E. All of the above - Diseased trees (k) including those which are infected with parasites to such an extent that their growth is seriously affected or that they are a danger to their neighbours:
A. Dominant
B. Dominated and suppressed
C. Both (a) & (b)
D. None of these - All the living organisms on the earth interacting with atmosphere constitute:
A. Biosphere
B. Community
C. Biome
D. Association - The amount of living matter present in a component population of a particular trophic level is called:
A. Standing crop
B. Standing quality
C. Both (a) & (b)
D. Standing state - At present ______ population is living in the watershed areas and are converting forest into agriculture land for food production:
A. 50-80%
B. 55-85%
C. 60-90%
D. 65-95% - If there were no CO2 in the earth’s atmosphere, the temperature of earth’s surface would have been:
A. same as present
B. Less than the present
C. Higher than the present
D. Dependent on the amount of O2 in the atmosphere - In human beings, anoxia is caused due to:
A. SO2
B. CO
C. CO2
D. NO2 - A very harmful fibrous component causing pollution an inflicting diseases of lungs in human beings:
A. Grease
B. Asbestos
C. Eichhornia roots
D. ABS micelle - Geology is the study of earth. Earth’s crust is divided into:
A. Ocean
B. Continents
C. Both (a) & (b)
D. None of these - Exposure of human beings to high energy from nuclear power plants can cause:
A. Cancer of skin and bone
B. Cancer of heart and brain
C. Cancer of skin and bone marrow
D. Cancer of kidneys
The correct answer to the question: "Most outstanding danger at present for the survival of living beings on earth is:" is "Radiation hazard ".