PAPER 1

THEORY

PART A

Answer all the questions in this part. For question 1 circle the letter corresponding to the best answer. For question 2 to 5 write all answers in the spaces provided.

1. a) Which one of the following is described as uncertainity in farming?

A. Technological changes in production

B. Accident to employees

C. Pest and disease outbreak

D. Theft of products

b) A poultry bird showed the following the signs: yellowish green diarrhea, paralysis and thick yellow mucus discharge from the mouth. The disease it is suffering from is most likely to be

A. Fowl pox

B. Coccidiosis

C. New castle

D. Salmonella caused

c) In a tractor engine, a dip stick

A. Incidents the level of oil in the sump

B. Indicates the level of fuel in the tank

C. Operates the p.t.o.

D. May be used to play grease to engine parts.

d) Which one of the following factors is critical in chemical weed control?

A. Type of crop

B. Type of weed

C. Stage of weed growth

D. Stage of crop growth

2. Give four reasons why it is advisable to plant crops in rows.

3. State two functions of each of the following parts of a tractor.

a) Fuel injector pump

b) The hydraulic system

4. a) Explain what is meant by gross margin in farm accounting.

b) Suggest four ways which a farmer can increase his profit margin.

5. a) Give two major reasons for debeaking poultry birds.

b) Suggest four reasons why a poultry farmer may prefer the deep litter system of management.

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) Outline the similarities and differences in the working of diesel and petrol engines.

b) What care should a farmer give to a tractor battery?

7. a) State the importance of farm structures in production.

b) Outline the quantities of a good calf house.

8. a) Explain the meaning of the term market as used in agriculture.

b) Discuss the problems that affect the marketing of agricultural products.

SECTION II

CROP PRODUCTION

9. Describe in detail, the raising of tomato seedlings from nursery bed preparation to transplanting.

10. a) Outline the characteristics that make weeds more successful than crop plants in the field.

b) Describe the common methods of weed control.

11. a) With the aid of a flow diagram, describe the nitrogen cycle.

b) What observable signs on crop plants indicate a deficiency of nitrogen in the soil?

SECTION III

ANIMAL PRODUCTION

12. a) Describe how you would prepare to receive day old chicks for rearing.

b) How would you manage the day old chicks from the day of arrival till they are four weeks old?

13. Outline and explain the steps you would take to produce clean and safe milk from a dairy herd.

14. a) Explain the following practices used in livestock improvement.

i) Selection

ii) Cross breeding

iii) Inbreeding

b) Outline the advantages and limitations of artificial insemination.

PAPER 2

PRACTICAL

Each candidate should be provided with the following

A sample of SSP fertilizer labelled E

A sample of NPK fertilizer labelled F

A liver fluke labelled G

A cattle tick labelled H

A halter labelled I

A drenching gun labelled J

A syringe and needle labelled K

A strip cup labelled L

A milk strainer labelled M

A piece of timber 50 mm × 75 mm and about 300 mm long labelled P

A metal rod or square section of about the same length and cross section as specimen P labelled Q

An unbarked dry brick 100 mm × 150 mm and 75 mm thick labelled R

A piston with rings and connecting rod labelled S

Elephant grass labelled T

Rhodes grass labelled U

Guinea grass labelled V

Glycine/ style/ desmodium labelled W (please indicate which was supplied)

1. Specimen P,Q and R are used in construction work on a farm

a) Give two farm structures in which specimen P and Q are used.

P .................................................................................................................................

Q ................................................................................................................................

b) State four advantages specimen P has over Q in farm construction work.

c) Suggest one way by which each of specimens P, Q and R can be made to last longer.

P ................................................................................................................................

Q ................................................................................................................................

R .................................................................................................................................

d) A farmer wishes to construct a calf barn using specimen R for its walls. The barn is to measure 2m wide, 4m long and the walls 1.5m high. An entrance 0.6m wide will be left.

Advice the farmer on the approximate quantity of R he will need. (Show your working. Ignore the foundation requirements).

2. You are provided with specimen S.

a) Examine and identify the specimen.

b) Where in the tractor engine is specimen S found?

c) In the space below draw a labelled diagram of specimen S.

d) (i) State two functions specimen S performs in the engine.

(ii) How do the parts labelled in (c) help the specimen to carry out its functions efficiently?

3. a) Identify specimen T, U, V and W which are common pasture plants.

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

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

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

W .........................................................................................................................................

b) Suggest two of the specimens which may be sown together as a mixed pasture.

c) Give the advantages of sowing together the specimens suggested in (b).

d) In what form is specimen T best preserved?

4. You are provided with specimens E and F which are fertilizers.

a) Observe and identify each specimen.

E .....................................................................................................................................

F .....................................................................................................................................

b) What nutrient elements does each specimen supply to crops?

E ....................................................................................................................................

F ....................................................................................................................................

c) (i) At what stage of growth of a maize crop should each specimen be applied?

E .......................................................................................................................................

F .......................................................................................................................................

(ii) Give a reason in each case for your answer in (c) (i).

E ....................................................................................................................................

F ....................................................................................................................................

5. Specimen G and H provided are common livestock paratites.

a) Identify each specimen.

G .................................................................................................................................

H ................................................................................................................................

b) How do the two specimens differ in the way they attack their hosts?

c) State the effects of specimens G and H on their hosts.

G ...............................................................................................................................

H ...............................................................................................................................

d) Suggest three measures that can be taken to control specimen H.

6. Observe specimens I, J,K,L and M provided and fill in the table below.

Specimen Identity Use on the farm
I
J
K
L
M