A. Air pollution
B. Water pollution
C. Soil pollution
D. All of these
Related Mcqs:
- 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 - Geology is the study of earth. Earth’s crust is divided into:
A. Ocean
B. Continents
C. Both (a) & (b)
D. None of these - The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:
A. Phosphene
B. SiF4
C. Dust
D. Halogens - Source of heating cooking, construction wood and minor produce is:
A. Fuel wood
B. Charcoal
C. Production of construction timber
D. Wood based industries as livelihood for the people
E. All of the above - Source of heating cooking, construction wood and minor produce is:
A. Fuel wood
B. Charcoal
C. Production of construction timber
D. Wood based industries as livelihood for the people
E. All of the above - Sometimes sound and uninjured seeds may fail to germinate due to reduced activity of the seed or seed parts resulting in blockade of the growth. This may be due to:
A. External effects of environment
B. Internal conditions within the plant itself, i.e. Embryo dormancy or seed coat dormancy
C. Both (a) & (b)
D. None of these - The unclassified area which constituted more than ____ of the total area at the time of independence, in due course of time, has dropped to the present level due to extension in the land use:
A. 40%
B. 50%
C. 60%
D. 70% - What immediate hazard is likely to occur if the temperature of the earth rises by 5?C?
A. Melting of polar ice
B. Destruction of phytoplanktons
C. Inundation of coastal towns
D. Increase in productivity - The presence of O3 in atmosphere of earth:
A. Has been responsible for increasing the average global temperature in recent
B. Is advantageous since it supplies O2 for people travelling in jets
C. Hinders higher rate of photosynthesis
D. Helps in checking the penetration of ultra violet rays to earth - The part of earth in which life exists is known as:
A. Lithosphere
B. Biosphere
C. Atmosphere
D. Hydrosphere
The correct answer to the question: "Heating of earth surface is due to:" is "Air pollution ".
