Concept of ecological pyramids was proposed by_____________?
A. Odum
B. Clements
C. Tansley
D. Charles Elton
Category: General Knowledge Mcqs
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Which one of the following ecosystem type has the highest annual net primary productivity ?
A. Tropical deciduous forest
B. Tropical rain forest
C. Temperate deciduous forest
D. Temperate evergreen forest
Black lung disease is associated with___________?
A. Farmers
B. Coal miners
C. Textile industry workers
D. Sweepers
When the air is saturated, which of the following statements is NOT correct ?
A. The air temperature equals the wet-bulb temperature
B. The relative humidity is 100 percent
C. The air temperature equals the dew point temperature
D. An increase in temperature will cause condensation to occur
E. The wet bulb temperature equals the dew point temperature
What are rodenticides ?
A. That kill fishes
B. That kill insects
C. That kill rats
D. That kill crocos
Low clouds retard surface cooling at night better than clear skies because_____________?
A. The clouds absorb and radiate infrared energy back to earth
B. The water droplets in the clouds reflect infrared energy back to earth
C. The clouds start convection currents between them
D. The clouds are better conductors of heat than is the clear night air
E. The formation of the clouds releases latent heat energy
The earth’s radiative equilibrium temperature is_________________?
A. The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
B. The temperature at which the earth is radiating energy at maximum intensity
C. The average temperature the earth must maintain to prevent the oceans from freezing solid
D. The temperature at which rates of evaporation and condensation on the earth are in balance
Killing of animals disturbs__________?
A. Good for eco system
B. Good for man
C. The balance of nature
D. None
A biomass pyramid is important because it illustrates______________?
A. How energy flows through a food web
B. The number of species in each tropic level
C. The biomass of all organisms at each tropic level in a system
D. The number of tropic levels in a system
Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35o F. The most likely reason for this apparent discrepancy is that ________________?
A. Temperature readings are taken in instrument shelters more than 5 feet above the ground
B. The thermometer was in error
C. The newspaper reported the wrong temperature
D. The thermometer was read before the minimum temperature was reached for that day
E. The thermometer was read incorrectly
