Question 1 of 20 3,967 total questions
Which of the following is an effect of rural-urban migration on the source region?
A Rural depopulation
B Urban depopulation
C Rural congestion
D Rural unemployment
E Urban congestion
Which of the following has the highest population concentration?
A Tropical Asia
B Peninsular Europe
C Temperat interior of North America
D Temperate coastland of South America
E Tropical interior of Africa
Which of the following factors least effects population concentration in the North-east of USA?
A Minerals resources
B Climate
C Employment opportunities
D Accessibility
E Flood
The best example of a non-renewable resource among the following is
A water
B man
C minerals
D air
E vegetation
The best example of a non-renewable resource among the following is
A water
B man
C minerals
D air
E vegetation
An aquifer is
A a permeable rock layer in which water is stored
B a non-porous rock
C an impermeable rock layer in a desert
D an impervious and impermeable rock
E a well-jointed rock layer
A state of inter-dependence within the ecosystem is best achieved where the components
A compete with each other
B are undisturbed
C are controlled
D are independent
E are similar in nature
Desert encroachment can best be controlled by
A erecting barriers
B deforestation
C overgrazing
D slopewise cultivation
E afforestation
In which of the following natural vegetation belts are greenheart, mahogany and ebony commonly found?
A Selvas
B Marguis
C Taiga
D Veldt
E Campos
Which of the following names refers to temperate grasslands?
A Lianos
B Campos
C Montane
D Steppes
E Alpine
Trees in Sudan savanna adapt to the climate of their environment by
A having large lateral roots with waxy hairy and broad leaves
B developed thick, succulent stems to store up water
C shedding leaves in the dry seasons and having long tap roots with umbrella-shaped crowns
D producing seeds which lie dormant during the dry season
E developing broad, lateral root system for support
Which of the following soil types is the most permeable?
A Loam
B Clay
C Sand
D Laterite
E Peat
The size of the individual grains of soil is referred to as the
A profile
B porosity
C density
D colloid
E texture
The dry adiabatic lapse rate refers to the fall in temperature with height of
A 0.00650 C per 1000m
B 0.0650 C per 1000m
C 0.650 C per 1000m
D 6.50 C per 1000m
E 65.00 C per 1000m
Koppen's classification of climate is based on
A temperature and presure
B preessure only
C winds and humidity
D precipitation and temperature
E rainfall only
Winds whose direction is reversed from one season to the other are called the
A Harmattan
B Mistral
C Fohn
D Monsoon
E Chinook
Temperatures of adjacent coastlands are reduced when on - shore winds blow over cold currents because the
A rainfall in sunch areas is susually heavy
B current influences the air presure
C current increases the total rainfall in such areas
D current influences the temperature of the prevailing winds
E temperature influences the speed of the wind
Which of the following best explains why wind action is more predominant in Arid regions than in Humid regions?
A Loose surface materials and the absence of vegetation cover
B Excessively high temperature during the day and night
C Insufficient and unreliable rainfall
D Lack of surface drainage and the presence of strong winds
E Gently rolling terrain and fast-flowing rivers
All the following are causes of mechanical weathering except
A temperature changes
B rain action
C alternate wetting and drying
D frost action
E action of plants and animals
Mountains formed as a result of compressional forces in the earth's crust are
A block mountains
B fold mountains
C volcanic mountains
D residual mountains
E dissected mountains
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