In the northern hemisphere, the number of hours of daylight begin to shorten after the __________?
A. Spring equinox
B. Summer solstice
C. Autumn equinox
D. Winter solstice
Author: Aroma Ann
The state which constituted green bench __________?
A. Kerala
B. Tamilnadu
C. Assam
D. Madhya Pradesh
Continue reading “The state which constituted green bench __________?”
Night time temperatures rarely drop below the dew point temperature because __________?
A. The dew will absorb all the heat
B. Saturation vapor pressures always increase at night
C. At saturation, latent heat of condensation is released into the air
D. Both (b) and (c)
Harmful trace metals in fly ash __________?
A. antimony
B. cadmium
C. arsenic
D. all of the above
Continue reading “Harmful trace metals in fly ash __________?”
Pollutants that are introduced into the environment by human activity are called as __________?
A. qualitative pollutants
B. quantitative pollutants
C. anthropogenic pollutants
D. all of these
What is symbiosis?
A. Study of distribution of related species
B. Association between members of same species
C. Association between members of two species
D. None
Cement factory labourers are prone to __________?
A. leukemia
B. bone marrow disease
C. asbestosis
D. cytosilicosis
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Basidiospores are considered to be a major source of __________?
A. airborne allergens
B. water borne allergens
C. animal faeces
D. bioweapon
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The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere is __________?
A. Barograph
B. Radiosonde
C. Aneroid barometer
D. Altimeter
