All species on earth together with their environments collectively comprise __________?
A. lithosphere
B. hydrosphere
C. atmosphere
D. biosphere
Category: Environmental Science
Environmental science MCQ is the section of General knowledge MCQ Questions for all exam like competitive exam, interview and entrance test, Government exams, State and UPSC Civil Services Examinations, PSC, SSC, cgl, ibps,ias, ras , Bank exams and other various exams
The algal booin often releases __________ in water.
A. acidic
B. toxins
C. bacteria
D. virus
Continue reading “The algal booin often releases __________ in water.”
The phenomenon of accumulation of non-biodegradable pesticides in human beings is __________?
A. Biomagnification
B. Bioaccumulation
C. Biodegradation
D. Bioremediation
During the winter solstice in the Northern Hemisphere __________?
A. Astronomical winter begins in the Northern Hemisphere
B. The noon sun is overhead at 23.5o S latitude
C. At middle latitudes in the Northern Hemisphere, this marks the longest night of the year
D. All of the above
Continue reading “During the winter solstice in the Northern Hemisphere __________?”
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
The state which constituted green bench __________?
A. Kerala
B. Tamilnadu
C. Assam
D. Madhya Pradesh
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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
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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
