Agricultural Science

Fish ponds in arid should be deeper than those in the rain forests in order to

If grains are not properly dried before storage they are likely to

The soil water that is readily available for absorption by plant roots is called

Termites are useful in agriculture because they

Loss of nitrogen from the soil through the removal of oxygen from nitrates by bacteria is known as

An advantage of rotational grazing is that

A sheep gained 20 kg of weight after consuming 60kg of feed. Determine the feed conversion ratio.

A farm business makes profit when

Which of the following factors have negative influence on egg weight?
I. high environment temperature
II. poor lighting
III. Comb size

Which of the following crops are useful to the soap-making industry?

I. Kolanut
II. Coconut
III. Shea nut

Which of the following methods is inappropriate when introducing a new variety of rice to farmers?

Soil profile is important in agriculture because it.

Which of the following animal products is used int he production of buttons?

The use of pathogens to control dodder weeds is a

Farm mechanization does not.

If a farmer continously applies sulphate of ammonia t his farmland for many years, the resultant soil solution is the most likely to

Established pasture cannot be harvested by

A piece of land is said to be on lease to a farmer when it is

A farmer bought a farm implement for ₦12,500 in 2007. At the end of the fourth year, he sold it for ₦4,300. Use the information to answer the question below
Calculate the total depreciation of the implement

A soil sample with a pH f 4.5 is said to be

Callosobruchus masculatus is a common pest of

Which of the following organism is not an endoparasite?

The extra oyster shell meal supplied to breeding hens

The system in which a farmer uses a piece of land for a period and abandons it for another land is called

Viral disease of crops can best be controlled through

If the spacing of maize is 0.9m by 0.3m and one seed is sown per stand, what will be the population of maize plants on a hectare of farmland?

Piercing and sucking insect pests possess

Crop selection is advantageous because

The property of soil which cannot easily be changed by a farmer is the

The effect of fertilizing a fish pond with compost manure on phytoplankon population and fish yield is such that
phytoplankton population and fish yield decrease
phytoplankton population decreases while fish yield increase
phytoplankton population increases while fish yield decreases
phytoplankton population increases as fish yield increases

The matting of a White Fulani bull and an N’dama cow could be termed

The digestive function of the rumen in ruminant nutrition is enhanced by the

Tobacco belongs to the group of crops called

The duration of the oestrus cycle of a sow is

Farm surveying equipment include the following except

Maize is a popular crop in West Africa because it

Which of the following sources of farm power is most versatile in west Africa?

The demand for cassava is not affected by

Application of water to the subsoil through perforated pipes is known as

Which of the following development could results from deforestation?

Which of the following statements describe the impact of land degradation?
i. Increased availability of fuel wood
ii. Reduction in livestock production
iii. Pollution f water bodies.

A fungus known as Phytophthora palmivora is responsible for

Organisms which may be beneficial to crops include

The following crops require shade trees at the seedling stage except

Crops which are primarily grown to provide food for farm animals are

Which of the following compounds can be be used to seal soil pores and prevent loss of water in a fish pond?

A farmer obtained a loan ₦250,000 at a simple interest rate of 8% per annum to be paid in two years. What would be the interest the farmer will pay on the loan?

The act of parturition in rabbit is known as

iron is important in the diets of livestock for

A socio-cultural factor affecting land availability for agriculture includes use of land for

A farmer bought a farm implement for ₦12,500 in 2007. At the end of the fourth year, he sold it for ₦4,300. Use the information to answer the question below
The annual depreciation of the implement is

Sexual propagation involves the use of