(a) ldentify specimens L, M and N.
Specimen L; Specimen M; Specimen N;
(b) ldentify specimens O and P, using specimen N
(c) In which of specimens O and P will specimen M survive better?
(d) What is the relevance of specimen L in the production of specimen M?
(e) State two pond management practices to improve specimen O for the production of specimen M.
(f) List three ways by which the loss of specimen M can be controlled in a farm.
(g) State one method each of (i) partial harvesting. (ii) complete harvesting of specimen M.
(a) State each of the disease condition observed on specimens J (MAIZE PLANT) and K (CASSAVA LEAF) and their causative agents.
(b) Explain the mode of transmission of the diseases on each of specimens J and K.
(c) State two effects each of the diseases on Specimens J and K and two control measures of each
(d) Name two other diseases of specimen K.
(a) To what type of rock do each of specimens D, E, and F belong?
(b) State the types of weathering caused by each of specimens G, H, and l
(c) Give two ways by which weathering causes each of specimens G, H, and I.
(o) State three ways in which specimen D is important to agriculture
(a) Identify specimens A, B and C
Specimen A; Specimen B; Specimen C;
(b) Give one function of each of Specimen A, B and C
(c) State two ways of maintaining each of specimen A and B
(d) Name three other farm implements that perform the same function as specimen B
(e) Mention two precautions to be observed when using specimen B
An agricultural research organisation categorised farmers in village X according to the rate of adoption of new ideas and came up with the following: Innovators 10, Early adopters 15, Late adopters 70, Never adopters 25
(a) Calculate the percentage of early adopters and state the implication of this percentage on the extension system.
(b) Suggest four ways of encouraging the innovators.
(c) State four possible reasons for the high number of late adopters.
(d) State two merits of the print media as a channel for agricultural extension.
(a) State the law of diminishing returns as it applies to agricultural production. [2 marks] Study the table below and use it to answer questions (b) and (c).
|
Size of farm (ha) |
Qty of fertilizer used (bags) | Yield of maize (bags) | Change of Qty of fertilizer |
Change in yield of maize (bags) |
| 2 | 0 | 8 | – | – |
| 2 | 8 | 24 | – | – |
| 2 | 12 | 48 | – | – |
| 2 | 26 | 80 | – | – |
| 2 | 20 | 120 | – | – |
| 2 | 24 | 150 | – | – |
| 2 | 28 | 170 | – | – |
| 2 | 32 | 180 | – | – |
| 2 | 34 | 180 | – | – |
| 2 | 36 | 170 | – | – |
(b) Complete the table above. (c) Draw a graph from the provided data and use it to explain the law of diminishing returns
(a) Write short notes on the following systems of breeding: (i) In-breeding; (ii) Line-breeding; (iii) Cross-breeding
(b) State three methods of collecting semen from a proven male for use in artificial insemination.
Discuss briefly: (a) Temperature; (b) Relative humidity; (c) Light; in relation to poultry production and state two ways of controlling the effect of each.
(a) Discuss seven economic importance of insect pests in crop production.
(b) Name two hosts of cotton stainer.
(c) List two soil-dwelling insect pests of crops and state five general control measures of insect pests of crops.
(a) State four ways in which ornamental plants are important. [4 marks]
(b) Give two examples each of (i) ornamental trees, (ii) ornamental shrubs. (c) Explain the following: (i) pasture, (ii) forage. (d) State four roles of legumes in agriculture.
(a) Define: (i) Taungya farming, (ii) Crop rotation.
(b) State four advantages of taungya farming.
(c) State four principles underlying the choice of a crop rotation system
(d) Enumerate four advantages of crop rotation.
(e) Under what situations would you recommend to a farmer to embark on crop rotation?
(a) In a tabular form, briefly discuss the following plant nutrients: (i) Potassium; (ii) Phosphorus; (iii) Calcium. Under the following headings: (i) form in which it is absorbed; (ii) three functions; (iii) one deficiency symptom.
(b) Give two examples of nitrogenous fertilizers.
(a) Describe briefly the Gunters’ chain.
(b) A farmer surveyed his triangular farmland with a base length of 2 km and a perpendicular length of 1200m. Calculate the area of the farm.
(c) State four necessary precautions that should be taken in order to eliminate errors when chaining a farmland.
(d) List four factors required in choosing a site for a new school garden.
(a) Name six Government and four Non-Governmental Organisations (NGOs) that are involved in the improvement of agricultural production in West Africa.
(b) Mention five ways in which Non-Governmental Organisations contribute to agricultural productivity in West Africa.
(c) Explain briefly six ways by which the application of science and technology last helped to boost crop production in your country.
A tractor costing N80,000.00 was sold for N20,000.00 after it has been used for 10 years. what is the salvage value of the tractor?
- A. N20,000.00
- B. N60,000.00
- C. N80,000.00
- D. N100,000.00
Which of the following refers to a farm accounting entry?
- A. inventory of livestock on the farm
- B. loss of animal
- C. value of crop produced
- D. area of land covered by farm labour
The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer’s
- A. demand for rice
- B. elastic limit
- C. supply of rice
- D. preference for rice
Which of the following groups of items will appreciate in value on the farm?
- A. seedling,calves and chicks
- B. equipment,piglets and lambs
- C. buildings,seedlings and piglets
- D. calves,machinery and chicks
The most important farm input contributed by the peasant farmer’s family is
- A. capital
- B. labour
- C. planting materials
- D. fertilizers
Capital in agriculture includes the following item except
- A. tree crops
- B. livestock
- C. labour
- D. machinery
The factor determining the success of the production process in a farm enterprise is
- A. fixed asset
- B. land
- C. labour
- D. management