Which of the following is not correct about the importance of agriculture?

A. supply of food

B. provision of employment

C. provision of the raw materials for agro-based industries

D. serving as main source of foriegn exchange

E. serving as a source of income

Most of the land used for agriculture in Nigeria are acquired through

A. purchase

B. pledge

C. donation

D. exchange

E. inheritance

The roles of government in the development of agriculture include the following except

A. recommending loans

B. provision of subsidies

C. establishment of farm settlements

D. establishment of agricultural development projects

E. training of farmers children

Which of the following in not an effect of the North-East trade winds on agriculture?

A. encouraging growth of natural pasture

B. encouraging fruit setting or formation

C. inducing fruit ripening

D. causing heavy rainfall

E. drying forest trees

Ice causes rock weathering

A. through the processes of expansion and contraction

B. through movement of large rock fragments against large boulders

C. by dissolving some minerals in disintegrated rock fragments

D. by exerting an abrasive action on rock fragments

E. through chemical alteration of rock minerals

The following are characteristics of quartz except

A. being granular

B. having shiny surface

C. being glass-like

D. having cleavage

E. being semi-translucent

The factors which affect the number and the activities of soil micro-organisms include the following except

A. topography

B. soil moisture

C. soil aeration

D. degree of soil acidity

E. temperature

Which of the following does not influence rock weathering?

A. water

B. carbonation

C. roots

D. ammonification

E. temperature

The amount of air and water in the soil is mostly affected by the

A. location of the soil

B. amount of annual rainfall

C. chemical compostion of the soil

D. living organisms in the soil

E. structure of the soil

Which of the following is a soil micro-nutrient?

A. magnesium

B. potassium

C. calsium

D. iron

E. phosphorus

Crops grown in nitrogen deficient soil show the following characteristics except

A. poor setting of fruit

B. stunted growth

C. chlorosis in growing crops

D. yellowing of lower leaves

E. timely ripening of fruits

Which of the following is not a function of organic matter in the soil?

A. conserving soil water

B. preventing soil erosion

C. preventing leaching in soil

D. inhibiting seed germination

E. stabilising the structure of the soil