The national terr-planting campaign is aimed at stimulating

A. wildlife conservation

B. afforestation

C. taungya farming

D. forest reservation

The most common grazing system in West Africa is

A. continuous grazing

B. rotational grazing

C. deferred grazing

D. zero grazing

Smut disease of cereals is caused by a

A. bacterium

B. fungus

C. protozoan

D. nematode

Moths,aphids and mealy bugs cause damage to crops by their

A. piercing and sucking activities

B. piercing and chewing activities

C. chewing and biting activities

D. boring and chewing activities

The variety if maize which is less susceptible to weevil attack is

A. yellow maize

B. flint maize

C. floury maize

D. sweet maize

Weevils can be controlled by

A. providing adequate vantilation in soils

B. storing dry grain in air-tight containers

C. heating the store before storing grains

D. placing cribs under shade

The most common weed of pasture in West Africa is

A. ageratum conyzoides

B. tridax procumbens

C. imperata cylindrica

D. boerhavia diffusa

Improvement of yam through breeding is difficult because

A. it possesses no sexual reproductive system

B. naturally growing types have to be used

C. its rapid multiplication is very difficult

D. its genes do not segregate

Animal which chew the cud are

A. amphibians

B. aves

C. ruminants

D. reptiles

Birds temporarily store their food in the

A. crop

B. gizzard

C. proventriculus

D. duodenum