Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams such as PPSC, FPSC, CSS, NTS, PMS and UPSC. Read all these questions and answer for your knowledge.
Winter Solstice means____________?
A. longest night
B. longest day
C. smallest night
D. smallest day
The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________?
A. Conduction of heat upward from a hot surface
B. Convection from a hot surface
C. Absorption of infrared energy that has been radiated from the surface
D. Heat energy from the earth’s interior
The blueness of the sky is mainly due to _____________?
A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
D. Emission of blue light by the atmosphere
Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________?
A. asbestosis
B. asthma
C. allergy
D. sinusitis
In middle latitudes, which cloud will have the lowest base ________________________ ?
A. Cirrostratus
B. Stratocumulus
C. Altocumulus
D. Cirrus
The pyramid of energy in any ecosystem is _________?
A. Always upright
B. May be upright or invented
C. Always inverted
D. Always Circle
When oil and gas resources are burnt they kill many forests and lakes by ________________ ?
A. deforestation
B. water pollution
C. acid rain
D. forest fire
Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________?
A. Radiation fog
B. Evaporation (mixing) fog
C. Advection fog
D. Upslope fog
Fine organic or inorganic particles suspended in air are called _______________?
A. particulate pollutant
B. gaseous pollutant
C. aerosol
D. none of these
Barnacles growing on the back of whales is an example for ________________?
A. mutualism
B. parasitism
C. amensalism
D. commensalism
A term biotype means ___________?
A. all individuals having same phenotype
B. all individuals having same genotype
C. all individual with different phenotype
D. all individuals with different genotype
The temperature at which water boils depends mainly on ____________?
A. Air temperature
B. Relative humidity
C. Air pressure
D. Air density
E. The specific heat of air
In middle latitudes which cloud will have the lowest base, The pyramid of energy in any ecosystem is, The temperature at which water boils depends mainly on,
