Which of the following diseases of crops causes stunting in maize?

A. blast

B. rosette

C. blight

D. streak

E. smut

When individual crop with desired characteristic mostly favoured by the environment are chosen for breeding this type of breeding is referred to as

A. introduction

B. hybridization

C. line-breeding

D. selection

E. cross-breeding

Molasses is a major by-product obtained after the processing of

A. kenaf

B. sugarcane

C. cassava

D. pawpaw

E. guinea corn

Rice bran is usually obtained from the paddy after

A. winnowing and boiling

B. threshing and winnowing

C. parboiling and threshing

D. harvesting and milling

E. milling and polishing

Yams stored in a barn should be inspected at least once a week to

A. remove rotten tubers

B. remove sprouts from yam tubers

C. prevent termite attack

D. prevent mouldiness in yam

E. remove sprouts and rotten tubers

A major routine operation in cowpea production which normally starts from flowering stage is

A. weekly spraying with insecticides

B. folial application of liquid fertilizer

C. application of herbicides

D. routine application of NPK granulated fertilizer

E. timely harvesting of pods

The mesocrap of an oil palm fruit is

A. nut

B. kernel

C. shell

D. seed

E. pulp

Blackarm is a bacterial disease of

A. rice

B. cotton

C. citrus

D. cocoa

E. tobacco

The female sex hormone that is responsible for oestrus in farm animal is called

A. prolactin

B. progesterone

C. oxytocin

D. oestrogen

E. androgen

The fertility of the soil is an important factor in the selection of site for a fish pond because a fertile soil will

A. encourage the growth of trees within the pond

B. stimulate growth of lower plants which are sources of food to fish

C. add mineralsto the water for the fishes resistance to diseases

D. prevent the pond from drying up

E. lower the temperature of pond water for the survival of fish