As the air temperature increases, with no addition of water vapour to the air, the relative humidity will __________?
A. Remain the same
B. Increase
C. Decrease
D. Increase until it becomes equal to the dew point temperature
Category: General Knowledge Mcqs
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In grazer food chain the living plants are directly __________?
A. destroyed
B. consumed
C. decayed
D. grown
Continue reading “In grazer food chain the living plants are directly __________?”
Average total rainfall is 100 – 150 cm in __________ , located in Australia, South America and Africa.
A. tropical savannas
B. chaparrals
C. deciduous forest
D. temperate forest
As it travels along the food chain, the concentration of DDT __________?
A. increases
B. remains constant
C. decreases
D. fluctuates randomly
Green House effect is caused by __________?
A. Increase in CO2
B. Increase in O2
C. Decrease in O2
D. Decrease in CO2
Continue reading “Green House effect is caused by __________?”
As the air temperature increases, with no addition of water vapor to the air, the dew point will __________?
A. Remain the same
B. Increase
C. Decrease
D. Increase and become equal to the air temperature
The presence of high coliform counts in water indicates __________?
A. contamination by human wastes
B. phosphorus contamination
C. decreased Biological Oxygen Demand
D. hydrocarbon contamination
Continue reading “The presence of high coliform counts in water indicates __________?”
If the air temperature remains constant, evaporating water into the air will _________ the dew point and _________ the relative humidity.
A. Increase, increase
B. Increase, decrease
C. Decrease, increase
D. Decrease, decrease
Which one is nature’s cleaner?
A. Consumers
B. Producers
C. Decomposers and Scavengers
D. Symbionts
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called __________?
A. Ecologically sensitive areas
B. Grasslands
C. Delta
D. Biologically sensitive areas
