Which of the following crops is bet harvested using a combine harvester?

A. maize

B. groundnut

C. cassava

D. cotton

Which of the following crops produces latex?

A. mango

B. citrus

C. rubber

D. sisal

What will be the following effect of establishing a grass with centrosema spp. in a pasture? The

A. grass will be suppressed

B. total yield of herbage will decrease

C. pests of centrosema will destroy the grass

D. forage yield will be high

Which of the following is not an economic importance of forests? They serve as source of

A. medical plants

B. game animals

C. edible wild fruits

D. domestic animals

The twisting, wrinkling and mottling of leaves are symptoms of

A. nematode attack

B. viral diseases

C. water deprivation

D. fungal attack

An example of biological control of pests is

A. using lady bird beetles to feed on cytoplasm

B. early planting of maize

C. harvesting maize when properly dried

D. soaking bean seeds in bordeaux mixture

Edible seeds with sticky covering and hooks are most likely to be dispersed by

A. wind

B. water

C. animal

D. explosion

Hereditary characteristics are passed from parents to offspring through the

A. cytoplasm

B. placenta

C. gene

D. umbilical cord

Embryonic membranes do not include

A. uterus

B. chorion

C. allantois

D. amnion

The digestion of plant fibre is non-ruminant herbivores takes place in the

A. mouth and retum

B. caecum and colon

C. oesophagus and duodenum

D. stomach and rectum