OAU Agricultural Science 2017/2018 Past Questions

Rock formed when pre-existing rocks are subjected to great pressure and heat are called

One effect of high environmental temperature on farm animals is

The final statement of a farming year showing whether gains have been made is termed

Which of the following is not a characteristic of an effective extension system?

Which of the following chemicals is used for liming soils?

Leaching in soils leads to the loss of

Liquid fertilizers and pesticides can be applied through

Immature spermatozoa are stored in the

Colostrum help calves to

An important method of controlling trypanosomiasis is to destroy the breeding sites of

A daily maintenance practice carried out on a disc harrow is

Edaphic factors that influence agricultural production donot include

Given that the spacing for yam is 1m x 1m, how many mounds can a farmer make on a one - hectare plot?

Chlorosis with characteristic parallel white or yellow streaks observed along the veins of leaves is a deficiency symptom of

The tank of knapsack sprayer is usually made of plastic in order to

The white fly is a vector of the pathogen that causes

The scythe is a farm tool used for

The gestation period of ewe is

During photosynthesis, green plants convert carbon dioxide to

The main mode of infection of rinderpest disease in cattle is through

Sprinkler irrigation is an example of

A type of regulatory control of diseases in crop production is

The survey equipment used in determining the horizontal angles between a reference medium and a desirable point is the

The removal of small, weak plants to give room for large healthier ones to develop is called

The main reason for mulching soil is to