The unit of total water content of the soil is known as __________?
A. Holard
B. Chraserd
C. Echard
D. All of the above
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Author: Aroma Ann
Synecology deals with __________?
A. Ecology of many species
B. Ecology of many populations
C. Ecology of community
D. None of the above
An important reason for the large daily temperature range over deserts is __________?
A. There is little water vapor in the air to absorb and re-radiate infrared radiation
B. The light-colored sand radiates heat very rapidly at night
C. Dry air is a very poor heat conductor
D. Free convection cells are unable to form above the hot desert ground
E. The ozone content of desert air is very low
The unfavorable alteration of environment due to human activities is termed as __________?
A. ecological disturbance
B. catastrophe
C. ecological degradation
D. pollution
The word Biophilia was coined by __________?
A. Dr. Hackel
B. Dr.Johanssen
C. Dr. Benjamine
D. E O Wilson
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Air is composed of gases, water vapours and __________?
A. rainfall
B. snowfall
C. dust particles
D. light
The formula for exponential population growth is __________?
A. dN/dt = rN
B. dt/dN = rN
C. dN/rN = dt
D. rN/dN = dt
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Rain during November is more acidic than monsoon rain due to __________?
A. dissolved CO2
B. dissolved SO2
C. dissolved NO2
D. none of the above.
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The formula of growth rate for population in given time is __________?
A. dt/dN=rN
B. dt/rN=dN
C. dt/rN=dt
D. dN/dt=rN
E. dN/rN=dt
Which of the following is an extinct species?
A. Tiger
B. Lion
C. Dodo
D. Ostrich
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