(a) Describe the cultivation of Cowpea under the headings:

(i) soil requirement;

(ii) method of propagation;

(iii) spacing [ 3 marks ]

(b) Nameone disease andtwo field pests of Cowpea. [ 3 marks ]

(c) Statefour cultural methods of controlling crop pests. [ 4 marks ]

(d) Statefour human activities that promote deforestation in West Africa. [ 4 marks ]

(e) Describeeach of the following agro-forestry practices:

(i)alleycropping;

(ii)ley farming. [ 4 marks ]

Which of the following periods marked the beginning of agricultural practices by early human societies?

• A. Paleolithic Age
• B. Information Age
• C. Renaissance Era
• D. Industrial Revolution

Decomposition of soil organic matter is mainly caused by

• A. bacteria
• B. algae
• C. fungi
• D. nematodes

New Zealand is a breed of which animal?

• A. Goat
• B. Cattle
• C. Rat
• D. Rabbit

Which of the following groups of cattle are tropical breeds?

• A. Friesian, Kuri and White Fulani
• B. N' dama, Sokoto Gudali and Muturu
• C. Kuri, Sokoto Gudali and Jersey
• D. Muturur, N' dama and Friesian

Which of the following is not an effect of manuring on the soil?

• A. adding plant nutrients to the soil
• B. releasing adequate plant nutrients of the appropriate time
• C. facilitating soil aeration and movement of soil moisture
• D. enhancing the activities of soil microorganisms

In the diagram of the digestive tract of a farm animal illustrated below, deamination is a function of the part labelled

• A. I
• B. II
• C. III
• D. IV

This is the removal of unwanted plants on the farm

• A. Weeding
• B. Thinning
• C. Mulching
• D. Supplying

Rhizobium supplies nitrogen to leguminous plants by

• A. incorporating urea into their bodies
• B. fixing atmospheric nitrogen into the soil
• C. decomposing plant and animals remains
• D. decreasing the pH value of the soil

I.Pale leaves II. Shrunken new leaves III. Water-soaked bark which peels off IV. Gum-like exudation from the cracks on the bark. Which of the following diseases of citrus has the symptoms listed above?

• A. die-bark
• B. gum-mosis
• C. blight
• D. tristeza