UNEB UCE Agriculture Past Papers Year 1990
Uganda National Examinations Board Past Papers
PAPER 1
THEORY
PART A
Answer all the questions in this part. Write all the answers in the spaces provided. You are advised not to spend more than 30 minutes on this part.
1. Circle the letter corresponding to the best alternative answer.
a) East coast fever is caused by
A. Ticks
B. Bacteria
C. Protozoa
D. Tsetse fly
b) Stets are planting materials used in the propagation of
A. Irish potatoes
B. Sugar cane
C. Cassava
D. Bananas
c) A compound fertilizer contains nitrogen (N) phosphorus (P) and potassium (K) in the ratio of 4:2:4. 100kg of this fertilizer contains.
A. 20kg N, 10kg P and 20 kg K
B. 40kg N, 2kg P and 40kg K
C. 4kg N, 2kg P and 4kg K
D. 40kgN, 20kg P and 40kg K
d) In farm accounting, “debt receivable” is
A. A liability
B. An inventory
C. An asset
D. A profit
e) Which of the following would be the likely cause of you tractor engine stopped suddenly?
1. No more fuel in the tank
2. The battery is disconnected
3. There is a blockage in the fuel line
4. The engine is over heated
A. 1,2 and 4
B. 2 and 3
C. 2, 3 and 4
D. 1 and 3
f) Which of the following is a function of the omasum the ruminant digestion?
A. Breakdown of carbohydrates
B. Reduction of water content of the food
C. Sending back the cud for rechewing in the mouth
D. Protein digestion
g) Which of the following is a variable cost in agriculture production?
A. Rent
B. Insurance
C. Feed costs
D. Wages of the farm manager
h) Which of the following is not a characteristic of the petrol engine?
A. A carburetor
B. A spark plug
C. An injector pump
D. A throttle valve
2. a) Mention 4 signs of ill – health in an egg – laying flock.
b) List any 4 methods of disease control in livestock without the use of drugs
3. a) List 3 factors that affect the price of a commodity.
b) Mention 2 functions of a marketing board.
4. List 4 beneficial effects and 2 harmful effects of soil organisms in the soil.
a) Beneficial effects
b) Harm full effects
5. List four ways of increasing the grip of a tractor.
6. List four reasons why wood is a widely used building material.
PART B
Answer four questions, which must include at least one from each section. Write all your answers on the answer sheets provided.
SECTION I
MECHANISATION AND FARM MANAGEMENT
7. a) Farm buildings are important structures on a farm. Discuss the factors to be considered when putting up a building for storage on a farm.
b) What are the advantages of having good storage facilities for crop produce on a farm?
8. a) Mention 4 types of cooperative organizations in Uganda.
b) What benefits does a farmer get by being a member of a cooperative society?
9. a) With the aid of a labelled diagram describe the working of a wet type (oil bath) air cleaner.
b) How would you service it to ensure it is good working condition?
SECTION II
CROP PRODUCTION
10. a) What are the effects of applying too much of a nitrogen fertilizer on a crop?
b) Outline the importance of phosphorus as a plant nutrient element.
11. Discuss in detail the production of a crop of maize from seed bed preparation to harvesting. (Mention must be made of fertilizer application, pest and disease control, etc…)
12. The following are important management practices on crop production. Explain the importance of each in relation to good crop yields.
(i) Proper seedbed preparation,
(ii) Timely planting,
(iii)Correct spacing,
(iv) Proper drying of produces before storage.
SECTION III
ANIMAL PRODUCTION
13. a) What are the symptoms of worm infestation in calves?
b) What control measures would you adopt against worm infestation?
14. Discuss the management of piglets from furrowing to weaning.
15. a) What are the qualities of a good egg?
b) How would you ensure the production of good quality eggs in a laying flock?
PAPER 2
PRACTICAL
1. Examine specimens A1,A2 and A3 and answer the questions that follow.
a) Identify the specimens.
A1 ………………………………………………………………………………………………
A2 ………………………………………………………………………………………………
A3 ………………………………………………………………………………………………
b) Observe and describe the surface structures of the specimens A1, A2 and A3.
A1 ………………………………………………………………………………………………..
A2 ………………………………………………………………………………………………..
A3 …………………………………………………………………………………………………
c) State the functions specimens A1, A2 and A3 play in digestion.
A1 ………………………………………………………………………………………………..
A2 ………………………………………………………………………………………………..
A3 ……………………………………………………………………………………………….
2. The following specimens B, C, D, E, F, G, H are common pasture. Examine them and fill in the table below:
| Specimen | Identify | Planting material used inpropagation |
| B | ||
| C | ||
| D | ||
| E | ||
| F | ||
| G | ||
| H |
3. a) identify specimens I and J
I ……………………………………………………………………………………………………………
J ………………………………………………………………………………………………………….
b) What structures do the two specimens have in common?
c) What is the importance of the common structure you have named in 3 (b) above?
d) Name the farm structure in which the specimens I and J are used.
e) List 5 uses to the farmer of the structure named in 3 (d) above.
4. Identify the following specimens K, L, M, N, U, P, Q, R, S, T and state one use of each on the farm
| Specimen | Identify | Use |
| K | ||
| L | ||
| M | ||
| N | ||
| O | ||
| P | ||
| Q | ||
| R | ||
| S | ||
| T |
5. In a season Mr. Lapur produced 10,000kgs of maize from hectares. He sold off the maize at shs 60/= per kilo. His product costs were.
Hire of machinery shs40, 000/=
Cost of seeds 10,000/=
Casual labour 5,000/=
Fertilizers 10,000/=
Wages of 2 permanent workers 24, 000/=
Other fixed costs 150,000/=
a) Calculate Mr. Lapur’s gross margin per hectare.
b) Calculate his overall net profit or net loss.
6 a) Identify specimen U
Identify …………………………………………………………………………………….
b) Name the disease which has attacked this specimen.
c) Describe the symptoms of this disease as observed from the specimen.
d) Apart from the damages you have observed on the specimen mention one other damage the disease causes to the plant.
e) Give three control measures for the disease.
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