PAPER 1

THEORY

PART A

Answer all the questions in this part. Write all the answers in the space provided. You are advised not to spend more than 30 minutes on this part.

1. Write , in the box, the letter corresponding to the best answer.

a) High soil pH can be corrected by application of

A. Sulphate of ammonia

B. Lime

C. Compound fertilizers.

D. Organic matter.

b) Mating of unrelated animals belonging to the same pure breed is referred to as

A. Inbreeding.

B. Crossbreeding.

C. Line breeding.

D. Out breeding.

c) Topping in tobacco is done to

A. Encourage formation of wider leaves.

B. Restrict the height of the plant.

C. Stimulate growth of suckers.

D. Speed up maturity of the crop.

d) Which one of the following hormones suppresses milk let down in a lactating cow?

A. Oestrogen.

B. Adrenalin

C. Oxytocin.

D. Prolactin.

e) Which of the following is a sucking pest?

A. American bollworm.

B. Aphids.

C. Weevils.

D. Cotton lygus.

f) In a tractor engine, the tappets control the

A. Rate of flow of fuel into the cylinders.

B. Opening and closing of the valves.

C. Up and down movement of the pistons.

D. Rate of flow of lubricating oil.

2. a) Distinguish between short term and long term credit.

b) Give three reasons why a farmer may fail to pay back credit extended to him.

3. a) Define the term firing order of an engine.

b) Give the two possible firing others of a 4cylinder engine.

c) What are the limitations of a 2 stroke engine?

4. a) Why is budding or grafting important in the propagation of crop plants?

(i) .............................................................................................................

(ii) .............................................................................................................

(iii) ..............................................................................................................

(iv) ..............................................................................................................

(v) .............................................................................................................

b) Name four micronutrients important for proper growth and development of crop plants.

c) Why are micronutrients essential in plant growth?

5. a) Which four factors would you consider when making animal feeds?

b) Mention the mineral nutrients whose deficiencies result in the following conditions in farm animals.

(i) Grass tetany ......................................................................................

(ii) Night blindness .................................................................................

(iii)Piglet ansemia .........................................................................

(iv) Soft shelled eggs .....................................................................

(v) Milk fever ...........................................................................................

PART B

Answer four questions, including at least one from each section. Write all your answers in the answer booklets provided.

SECTION I

MECHANISATION AND FARM MANAGEMENT

6. a) Discuss the safety precautions you would take when operating farm machines.

b) What factors affect the of agricultural tractor tyres?

7. a) Giving two examples in each case, distinguish between the terms risks and uncertainty as used in agricultural production.

b) How can farmers guard against risks and uncertainties?

8. a) What are farm structures? Why are they necessary on a farm?

b) Discuss the methods you would use to treat fence posts to ensure their long life.

SECTION II

CROP PRODUCTION

9. a) What is farm yard manure? Describe how you would make good quality farm yard manure for use in a vegetable plot.

b) What factors would affect the quality of the farm yard manure you have made in 9(a) above?

10. Discuss the advantages and disadvantages of pruning perennial crops.

11. a) Why are plants like couch grass, sedges and oxalis described as weeds?

b) (i)couch grass is a particularly difficult weed to control. Why?

(ii) What would be the most effective way to control couch grass?

c) How would you ensure the effectiveness of herbicides in weed control?

SECTION III

ANIMAL PRODUCTION

12. a) What is artificial insemination?

b) Outline the benefit of artificial insemination.

c) Why is the use of artificial insemination not widespread in Uganda?

13. a) Why is anthrax referred to as a notifiable disease?

b) How is anthrax contracted? Outline its symptoms and methods of control.

c) What is the economic importance of the liver fluke?

14. a) What is silage?

b) What advantages does silage have over hay as a livestock feed?

c) (i) how would you mix, a 100 kg ration containing 23% crude protein protein, for day 0 chicks from maize containing 10% crude protein and a protein supplement containing 36% crude protein?

(ii) What other supplements would you need to balance the ration?

PAPER 2

PRACTICAL

1. Weight 40gm of specimen M provided, into a 250cm3 measuring cylinder. Add water up to the 150 cm3mark and shake vigorously for about a minute. Allow to stand for 15 minutes.

(i) Draw a labelled diagram to show the layers of the different soil tractions as they appear in the measuring cylinder after the 15 minutes.

(ii) Moisten a small quantity of the specimen and rub between the thumb and index fingers. Record your observations below.

(iii) What do you deduce about the textural class of specimen M?

(iv) What problems does a farmer face with this type of soil?

(v) Suggest 2 ways by which the problems you have mentioned in (iv) above can be solved.

2. You are provided with specimens N and O which are crop pests. Carefully observe the specimens and answer the question below.

a) Identify specimens N and O.

Identify N ....................................................................................................

O..................................................................................................

b) What kinds of damage do specimens N and O cause to crop plants?

N.................................................................................................................

O ................................................................................................................

c) Give reasons for your answer in 2(a) above.

d) What three cultural measures would you use to control these pests, N and O?

3. a) Observe specimens P, Q and R provided and identify them.

Identify specimen P .....................................................................................

Specimen Q ..................................................................................................

Specimen R ...................................................................................................

b) State 2 functions of each of specimens P and Q.

Specimen P

(i) ............................................................................................................

(ii) ...........................................................................................................

Specimen Q

(i) ...........................................................................................................

(ii) ............................................................................................................

c) Why is specimen R shaped the way it is?

4. On 1st January, 1990, Mr. Musoke's farm assets stood as follows:

Assets Value (shs)

2 cows 150,000/=

200 chickens 200,000/=

1 breeding bull 100,000/=

Coffee seedlings 5,000/=

Farm implements 500,000/=

During the year Mr. Musoke's farm business spent and received money as follows:

Bought 2 bags of fertilizers at 25,000/= each bag

Paid for agrochemicals at 6000/=

Sold 2000 litres of milk at 150/=

Sold 100 broilers at 2,000/=

Paid rent on land 250,000/=

Interest on bank loan 50,000/=

Paid wages 215,000/=

Sold 500kgs of coffee at 120/= per kg.

Sold 30 bags of maize at 5000/= per bag

His closing inventory on 31/12/90 was valued at shs950, 000/=

From the information given.

a) Draw up a profit and loss account for Mr. Musoke's farm as at 31st December, 1991 and show his net profit or net loss.

b) What was his opening inventory at the start of the 1990 year?

5. a) Carefully observe specimen S and identify.

Identify ...........................................................................................................

b) Make a labelled diagram of the specimen.

c) Why is this specimen economically important to a farmer?

d) How is the specimen controlled?

6. a) Identify specimens T, U and V.

T .........................................................................................................................

U .........................................................................................................................

V .........................................................................................................................

b) Name three uses of these specimens on the farm.

c) State with a reason in each case, which of these specimens you would select for establishment in areas of:

(i) Fertile soil with reliable rainfall.

(ii) Moderate to poor soil with pronounced dry season.

(iii) How would you propagate specimen T?