Wild life is continuously decreasing. What is the main reason of this?
A. Predation
B. Cutting down of forest
C. Destruction of habitat
D. Hunting
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Category: Environmental Science
Environmental science MCQ is the section of General knowledge MCQ Questions for all exam like competitive exam, interview and entrance test, Government exams, State and UPSC Civil Services Examinations, PSC, SSC, cgl, ibps,ias, ras , Bank exams and other various exams
The percentage of water vapour present in the air compared to that required for saturation is the __________?
A. Mixing ratio
B. Absolute humidity
C. Dew point
D. Relative humidity
E. Specific humidity
Air pollution is severe in __________?
A. Cities
B. Industrialised areas
C. Densely populated areas
D. all of these
Which one of the following is the most stable ecosystem?
A. Forest
B. Mountain
C. Desert
D. Ocean
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The conversion of ammonia to nitrate is known as __________?
A. ammonification
B. nitrification
C. denitrification
D. all of these
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The type of ecosystem with the highest mean plant productivity is __________?
A. tropical rain forest
B. temperate grassland
C. desert
D. tundra
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Which of the following determine the kind (wavelength) and amount of radiation that an object emits?
A. Temperature
B. Thermal conductivity
C. Density
D. Latent heat
Which of the following provides a measure of the average speed of air molecules?
A. Pressure
B. Temperature
C. Density
D. Heat
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Industrial melanism is an example of __________?
A. protective resemblance with the surrounding
B. drug resistance
C. defensive adaptation of skin against UV radiations
D. darkening of skin due to industries
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The crack marked on a glacier due to splitting of ice is called __________?
A. watershed
B. crevasses
C. delta
D. glacier
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