The removal of excess water from the soil surface and the upper subsoil is known as

A. irrigation

B. drainage

C. evaporation

D. surface turn-off

E. dehydration

Which of the following is not an effect of manuring on the soil?

A. adding plant nutrients to the soil

B. releasing adequate plant nutrients of the appropriate time

C. facilitating soil aeration and movement of soil moisture

D. enhancing the activities of soil microorganisms

E. improving the structure of the soil

A soil with low PH value can be improved by the addition of

A. ammonium sulphate

B. calcium carbonate

C. sodium chloride

D. sodium nitrate

E. magnesium phosphate

Which of the following factors will cause etiolation in crops?

A. law humidity

B. high light intensity

C. high humidity

D. low temperature

E. absence of light

Which of the following tools is the best for making seed beds?

A. hand fork

B. mattock

C. shovel

D. spade

E. axe

The windmill is normally used as a source of power in

A. pumping well water

B. soil drainage

C. ridging

D. erosion control

E. seed broadcasting

The most appropriate farm machinery for breaking soil is the

A. harrow

B. plough

C. ridger

D. tractor

E. cultivator

An area of land where fruit trees are cultivated is commonly called

A. an orchard

B. a plantation

C. a nursery

D. an estate

E. a garden

The natural grasslands of West Africa are generally located in the

A. sahel region

B. guinea savanna

C. mangrove area

D. equatorial region

E. deciduous forest

Which of the following forest trees is a soft wood?

A. Mahogany

B. Teak

C. Shea-butter

D. Ebony

E. Gmelina