OAU Agricultural Science 2022/2023 Past Questions

Practice each question, then open it to see the full details.

A disease which affects poultry only is

A.coccidiosis.
B.newcastle.
C.pox,
D.helminthiasis.

Which of the following factors have negative influence on egg weight I. High environmental temperature II. Poor lighting III. Comb size

A.I and II only
B.I and III only
C.II and III only
D.I, II and III

Birds are important pests of

A.tree crops
B.legumes
C.Cereals
D.vegetables crops

Broad spectrum pesticides are dangerous because

A.they kill all pests and other non-target organisms indiscriminately;
B.they allow non-target organisms to survive;
C.they allow target organisms to survive;
D.they kill target organisms only

Contact insecticides are used to control

A.pod borers of legumes
B.stem borers of cereal
C.leaf beetles of legumes
D.eelworm of legumes

Which of the following crops produces latex?

A.Mango
B.Citrus
C.Palm tree
D.Rubber

Which of the following fruits is a capsule?

A.mango
B.coconut
C.apple
D.okra

Which of the following is a storage pest of maize?

A.Weevil
B.Beetle
C.Grasshopper
D.Aphid