Question 1 of 10 50 total questions
The scientist who prepounded the theory of continental drift was
A Alfred Wegener
B William Davis
C Arthur Holmes
D Francis Bacon
One predominantly temperate grain that is being cultivated in some tropical areas today is
A sorghum
B barley
C maize
D wheat
The vegetation that is characterized by tall trees climbing plants and creepers in the Amazon is called
A pampas
B veldt
C selvas
D steppes
A soft, black opaque carbonaceous rock that can be used to make pencils is
A lignite
B graphite
C lead
D coal
The biodiversity of an ecosystem may be reduced through the
A extinction of plant species
B removal of a single animal
C introduction of a new plant
D trapping of a single fish
The medium class of layered cloud which brings continuous rain, snow or sleet is the
A altocumulus
B altostratus
C stratocumulus
D nimbostratus
The direction of flow of ocean currents is determined mainly by the
A rotation of the earth and land and sea breezes
B shape of the continents and the temperature of the continental interior
C prevailing winds and the rotation of the earth
D depth of the ocean and the amount of fresh water inflow
The most obvious physical feature that distinguishes undisturbed mature soil from an immature soil is the
A humus content
B layered profile
C nutrient status
D topsoil texture
The most common tree in the desert is the
A date
B acacia
C pine
D larch
A direct natural consequence of drought is
A famine and starvation
B high mortality rate in livestock
C drying up of most water sources
D change in the chemical property of soils
Next
Question Navigator
1
2
3
4
5
6
7
8
9
10
