Winds whose direction is reversed from one season to the other are called the

A. Harmattan

B. Mistral

C. Fohn

D. Monsoon

E. Chinook

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

The dry adiabatic lapse rate refers to the fall in temperature with height of

A. 0.0065⁰C per 1000m

B. 0.065⁰C per 1000m

C. 0.65⁰C per 1000m

D. 6.5⁰C per 1000m

E. 65.0⁰C per 1000m

The size of the individual grains of soil is referred to as the

A. profile

B. porosity

C. density

D. colloid

E. texture

Which of the following soil types is the most permeable?

A. Loam

B. Clay

C. Sand

D. Laterite

E. Peat

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 names refers to temperate grasslands?

A. Lianos

B. Campos

C. Montane

D. Steppes

E. Alpine

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

Desert encroachment can best be controlled by

A. erecting barriers

B. deforestation

C. overgrazing

D. slopewise cultivation

E. afforestation

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