641.
Noise is measured using sound meter and the unit is
A
Hertz
B
Decibel
C
Joule
D
Sound
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Noise is measured using sound meter and the unit is
Hertz
Decibel
Joule
Sound
Nitrogen gets oxidized into
Nitrates and ammonia
Ammonia and urea
Urea and nitrite
Nitrates and nitrites
Most stable ecosystem is
Forest
Desert
Ocean
Mountain
Major cause of increment in population growth
decrease in birth rate
decrease in mortality rate
illiteracy
none of the above
Lowest layer of atmosphere is called
Thermosphere
Stratosphere
Troposphere
Mesosphere
Winds are the link between the Southern Oscillation and ocean warming associated with El Nino.
True Statement
False Statement
Which of the follwoing is the colde event:
El Nino
La Nina
Southern Oscillation
Norther Oscillation
Which of the following is not affected by the Phenomena of El Nino?
Paddy
Maize
Castor
Tea Plantation
Which of the following is a possible condition during an El Nino event?
drought in Australia
trade winds weaken
more rain during the dry season in Florida
all of the above
What happen to the cyclones during El Nino episode?
Wind speed is slow
Wind speed had greater tendency to trigger intense tropical cyclones
Both A and B
Neither A nor B
What causes warm than normal sea-surface temperature?
La Nina
El Nino
Coriolis Force
The warm, humid trade winds converge and produce abundant rainfall in the tropics.
True Statement
False Statement
The trade winds are weaker during an El Nino event.
True Statement
False Statement
The strongest La Nina on record occurred in 1997-1998.
True Statement
False Statement
The 1997-98 El Nino event was responsible for
floods from Texas to the Gulf states
Landslides along the California coast
significant coastal erosion in California
all of the above
Surface ocean temperatures of the eastern tropical Pacific are colder than average during an El Nino event.
True Statement
False Statement
Strong El Nino events happen every five years.
True Statement
False Statement
Some of the heaviest annual precipitation occurs
over most of Australia
within the Amazon Basin
in the Sahara
Periodic change towards unusual colder side is called:
La Nina
El Nino
Both A and B
upwelling
Episodes of ocean warming that affect the eastern tropical Pacific are called
La Nina
monsoons
El Nino