In a photochemical smog, which gas is an eye and mucous membrane irritant?
A. SO2
B. O3
C. CO2
D. N2O
Continue reading “In a photochemical smog, which gas is an eye and mucous membrane irritant?”
Category: General Knowledge Mcqs
General Knowledge Mcqs are from diffrent sections like sports, geography, improtant days, book authers , atmosphere, events. GK Mcqs. General knowledge mcq for 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
Heavy dust can cause __________?
A. leaf blights
B. opening of stomata
C. closure of stomata
D. browning of leaves
Warming in the stratosphere is mainly caused by __________?
A. Absorption of ultraviolet radiation by ozone
B. Release of latent heat energy during condensation
C. Chemical reactions between ozone and chlorofluorocarbons
D. Frictional heating caused by meteorites
Continue reading “Warming in the stratosphere is mainly caused by __________?”
Heat is energy in the process of being transferred from __________?
A. Hot objects to cold objects
B. Low pressure to high pressure
C. Cold objects to hot objects
D. High pressure to low pressure
E. Regions of low density toward regions of high density
Continue reading “Heat is energy in the process of being transferred from __________?”
_________ element had guided the earlier navigators to keep them on right path.
A. Magnetite
B. Carbon
C. Coal
D. Uranium
A population is a group of __________?
A. individuals in a species
B. species in a community
C. communities in an ecosystem
D. individuals in a family
The __________ holds a planet’s atmosphere close to its surface.
A. Radiation
B. Gravity
C. Cloud cover
D. Moisture
E. Pressure
Continue reading “The __________ holds a planet’s atmosphere close to its surface.”
Rising air cools by this process of __________?
A. Expansion
B. Evaporation
C. Compression
D. Condensation
Continue reading “Rising air cools by this process of __________?”
Which one is true?
A. symbiosis when neither population affects each other
B. symbiosis when the interaction is useful to both the populations
C. commensalism when none of the interacting populations affect each other
D. commensalism when the interaction is useful to both the populations
Although the polar regions radiate away more heat energy than they receive by insulation in the course of a year, they are prevented from becoming progressively colder each year by the__________?
A. Conduction of heat through the interior of the earth
B. Concentration of earth’s magnetic field lines at the poles
C. Circulation of heat by the atmosphere and oceans
D. The insulating properties of snow
E. Release of latent heat to the atmosphere when polar ice melts
