A metamorphic limestone is

A. marble

B. gneiss

C. quartzite

D. schist

E. shale

A soil with pH2 can be described as

A. moderately acidic

B. moderatly alkaline

C. neutral

D. highly alkaline

E. highly acidic

Which of the following will be responsible for the poor yield of fertile soil in a high rainfall area?

A. leaching of soil nutrients

B. very low pH value of land

C. lack of soil microbes

D. high alkalinity of soil

E. erosion of the soil

Crop rotation has the following effects on the soil except

A. maintenance of soil fertility

B. reducing concentration of soil pests

C. improving soil structure

D. reducing soil erosion

E. predisposing soil to leaching

Flood irrigation is mainly used in

A. arid area

B. subtropical area

C. tropical area

D. sloppy area

E. savanna area

Which of the following factors has the greatest influence on crop production?

A. light

B. vegetation

C. water

D. air movement

E. pressure

Which of the following is not a reason for preferring rotational grazing to continuous grazing?

A. avoiding build-up of livestock pests

B. obtaining uniform quality of herbage

C. encouraging persistence of desired species

D. breaking the life-cycle of some pests

E. avoiding excessive amount of organic manuring

The study and management of forests and forest resources is known as

A. agro forestry

B. taungya

C. wildlife

D. forestry

E. silviculture

The most suitable soil for cultivating yam is

A. sand

B. silt

C. sandy clay

D. clay

E. clay loam

Jute, cotton and sisal are

A. oil crops

B. parental crops

C. fibre crops

D. vegetable crops

E. ornamental