Agricultural Science JAMB, WAEC, NECO AND NABTEB Official Past Questions

(a) ldentify specimens Q, R and S (3 marks)

Specimen Q;

Specimen R;

Specimen S;

(b) Mention three types of livestock from which both specimens Q and R can be obtained. (3 marks)

(c) (i) state three nutritional values of specimen Q (3 marks)

(ii) Mention four uses of specimen R. (4 marks)

(d) State two ways by which specimen S is important to poultry (2 marks)

(a) ldentify specimens N,O and P by their common and botanical names (6 marks)

specimen N;

specimen O;

specimen P;

(b) state how each of specimens N and O is propagated (2 marks)

(c) Give four characteristics of specimen O (4 marks)

(d) State three uses of specimen N (3 marks)

(a) ldentify specimens I, J and K (3 marks)

Specimen I;

Specimen J;

Specimen K;

(b) State two uses of each of specimens I and J (3 marks)

(c) Give two maintenance practices for each of specimens I and K (4 maks)

(d) Describe specimen K

(e) Name two other farm tools that can perfom the functions of specimen K (2 marks)

(a) Identify specimens D, E and F (3 marks)

Specimen D;

Specimen E;

Specimen F;

(b) Classify specimens D, E and F according to their mode of formation (3 marks)

(c) State three characteristics of each of specimens D and E (6 marks)

(d) State three ways in which specimen E is economically important.

(a) Define the following terms as used in agricultural economics: 
(i) assets; 
(ii) Liabilities

(b) Mention three problems encountered by farmers in obtaining agricultural credits
(c) Enumerate four roles of an agricultural extension agent
(d) Outline five roles of farmer co-operative societies in agriculture

(a) Define the term balance sheet.

(b) The financial data of Omega Dairy Farms Ltd as at December 31st 2012 are shown below:

Cash at bank –  200,000.00 
Cash in hand – 70,000.00 
Dairy cattle – 5,000.000.00 
Milk – 300,000.00 
Loans – 3,000,000.00 
Initial capital – 4,000,000,00 
Interest on loan payable – 600,000.00 
Account receivable – 1,000,000.00 
Taxes payable – 500,000.00 
Milking machine – 1,500,000.00 
Animal feed – 100,000.00 

Use the data to prepare a balance sheet for Omega Dairy Farms Ltd as at December 31st 2012 (c) State two ways in which the balance sheet is important (d) Is the farm credit-worthy? Give a reason for your answer

(a) What is animal improvement? [2marks]

(b) Give three aims of animal improvement.[3marks]

(c) Define each of the following terms as used in animal reproduction: (i)parturition; (ii)gestation period. [4marks]

(d) Name i three systems in the body of farm animals.{3marks]

(e) Mention four advantages of castration in animal production. [4marks] 

(a) Give three reasons why fish farming is important. [3marks]

(b) State three factors that influence the choice of a suitable site for a fish pond. [3marks]

(c) Mention two sources of each of the following feed nutrients: (i) water; (ii) proteins; (iii) carbohydrates; (vi)vitamins [8marks]

(d) Mention two ways by which roundworm infestatoin is of economic importance in livestock production. [2marks] 

(a) List four cereal crops grown in West Africa [2marks]

(b) State three benefits of forest to the economic development of your country.[3marks]

(c) With the aid of a diagram, describe the life cycle of the variegated grasshopper. [6marks]

(d) List three cultural methods of controlling crop pests.[3marks]

(e) Give two uses of oil palm. [2marks] 

(a) Define the term nursery as used in crop production[2marks]

(b) Give three reasons for establishing a nursery in crop production.[3marks]

(c) Mention three characteristics of weeds that make them difficult to control [3marks]

(d) List two methods of controlling weeds.[2marks]

(e)State three ways by which diseases are spread among crops [3marks]

(f) Mention three effects of diseases on crops [3marks]

(a)List three edaphic factor that influence crop growth. [3marks]

(b) Explain the following terms as used in soil and water conservation: (i)gravitational water(ii)hygroscopic water [4marks]

(c) State two deficiency symptoms of each of the following nutrient elements in crops:(i)nitrogen; (ii) phosphorus; (iii)potassium [6marks]

(d) State three benefits derived from draining farmlands. [3marks]

(a) Mention two sources of irrigation water [2marks]

(b)Enumeratoin two advantages and two disadvanteges of irrigating farmlands [4marks]

(c)List two ways by which the soil loses nutrients. [2marks]

(d)Give two reasons for manuring in crop production [2marks]

(e)State two ways by which each of the following envrionmental factors affect agricultural production: (i) temperature: (ii) soil micro-organisms; (iii) wind. [6marks] 

(a) Explain the term farm mechanization [2marks]

(b) Mention three advantages and three disadvantages of farm mechanization. [6marks]

(c) Give two merits of the use of draught animals in farm operations. [2marks]

(d) Outline three roles of science and technology in agricultural development under the following headings. (i)pest and disease contlrol; (ii)meteorology and climatology. [6marks]

(a) State four benefits of agriculture to the economy of West African countries. [4marks]

{b). Enumerate four functions of agro-service centres in your country [4marks]

(c) Outline four routine tractor maintenance practices. [4marks]

(d) State two functions of each of the following parts of the farm tractor (i) three-point linkage (ii)hydraulic lever[4marks]

Use the information provided in the table above to answer this question Calculate the percentage change in the total quantity supplied if the decreases from N5,000.00 per kg to N 3,000.00 per kg

Use the information provided in the table above to answer this question. Determine the market supply when the price is N4,000.00

The most important objective of agricultural extension education is to

Which of the following activities are functions of agricultural marketing boards in West Africa? l. Price stabilization within seasons. ll. Harvesting of the farm produce lll. Grading and standardization of produce . Iv Market research for produce

Demand is said to be price elastic, if the absolute value of price elasticity of demand is

Which of the following organs forms a barrier between an animal and its external environment?

Which of the following factors should be considered when building a rabbit hutch? l. safety and comfort of rabbits ll. ease of maintenance and cleaning lll day length