JAMB Agricultural Science 2020 Past Questions

Which of the following is not the role of government in agricultural production?

Agricultural extension programme would succeed in disseminating new ideas to farmers except if the programme

Which of the following is not a quality for selecting livestock?

Investments with long life span in agricultural economics are otherwise known as

Under normal circumstances, the concept of consumer sovereignty in agriculture implies that

A farmer uses his agricultural loans for the following except

Which of the following activities is correct about agricultural extension agent?

Which of the following is not a breed of cattle?

Which of the following may cause disease in a fish pond?

Which of the following is not a sign of animal approaching parturition?

The length of oestrus cycle (in days) in goat is

Daily management routines in poultry include the following except

When a cockerel is castrated, it becomes a

Which of the following characteristics is not correct of pigs?

The best control ensure for rinderpest disease in cattle is

Which of the following is not an advantage of drip-irrigation?

The windmill is normally used as a source of power in

The most appropriate farm machinery for breaking soil is the

One of the limitation of mechanization of farms is

The physical properties of soil include the following except

Which of the following is not component of soil?

The soil nutrient which is important as a constituent of plant proteins and hormones is

During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by

A soil with the PH range of 6.1 to 6.9 can be described as

The main purpose of including leguminous crops in pastures is to serve as a source of

Which of the following is not normally a pasture crop?

The damage to the stem of maize plants resulting in hollowness and lodging is most likely caused by

The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

A soil with pH2 can be described as

Which of the following will be responsible for the poor yield of fertile soil in a high rainfall area?

Crop rotation has the following effects on the soil except

Which of the following is an example of igneous rock?

A biotic factor influencing agricultural production is

Which of the following nutrient element is a macro-nutrient?

In encouraging farmers to produce more of a particular crop, the Nigerian government has helped farmers in marketing that crop through the establishment of

The diagram above shows parts of a plough.
Study it and answer this question.
The part labelled I in the diagram is the
 

Study the diagram above and answer question
The crop associated with the diagram above is?
 

During which of the following plant propagation methods is the tool represented used?

Study the diagram above and answer question
The farm tool associated with the diagram above is
 

From the curve above, at what point is it advisable for the farmer to stop further addition of input?
 

The primary role of agriculture is the provision of

In subsistence agriculture,

The recommended agricultural practice in farm settlement scheme is

Government agricultural policies include the following except

Agricultural uses of land include

Capital in agriculture includes the following item except

The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's

Artificial scarcity of agricultural produce is often caused by the following marketing agents except

Given a normal situation, what effect will an increase in the supply of cowpea have on its market price? The price

Marketing processes do not include