The new rock formed when limestone is subjected to great heat and pressure is

• A. slate
• B. graphite
• C. marble
• D. gneiss

Smut disease of cereals is caused by a

• A. bacterium
• B. fungus
• C. protozoan
• D. nematode

The farm practices that does not have a very harmful effect on the soil is

• A. Flooding
• B. Crop rotation
• C. Over grazing
• D. Bush burning

If cassava is planted at a spacing of 1m x 1m, what will be the plant population on 1 hectare of land?

• A. 10,000
• B. 5,000
• C. 1,000
• D. 500

Edible seeds with sticky covering and hooks are most likely to be dispersed by

• A. wind
• B. water
• C. animal
• D. explosion

Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?

• A. ammonium nitrate
• B. lime
• C. urea
• D. single superphosphate

The method of irrigation suitable for use on a steep slope is

• A. sprinkler irrigation
• B. flood
• C. furrow irrigation
• D. shadoof

Which of the following agricultural raw material would a glue-processing industry require?

• A. cotton
• B. coconut
• C. cassava
• D. kola

Agriculture contributes to the economy of West African Countries through the following means except

• A. reduction of poverty through job creation
• B. supply of armaments for territorial defence
• C. provision of foreign exchange
• D. supply of raw materials to industries

The most important of all the factors of production in crop farming is

• A. labour
• B. capital
• C. land
• D. management.