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Kericho District Joint K.C.S.E Trial Examination-2012-Agric Pp1 Question Paper

Kericho District Joint K.C.S.E Trial Examination-2012-Agric Pp1

Course:Secondary Level

Exam Year:2012

Name……………………………………………………………………… Index No…………………….
School…………………………………………………………………….. Sign………………………….
Date………………………….

443/1
AGRICULTURE
PAPER 1
JULY / AUGUST – 2012
TIME: 2 HOURS

KERICHO DISTRICT JOINT K.C.S.E TRIAL EXAMINATION-2012
Kenya Certificate of Secondary Education (K.C.S.E)

443/1
AGRICULTURE
PAPER 1
JULY / AUGUST – 2012
TIME: 2 HOURS

INSTRUCTIONS TO CANDIDATES
1. Write your name and index number and date of examination in the spaces provided above.
2. Sign in the spaces above
3. This paper consists of three sections A, B and C.
4. Answer ALL the questions in sections A and B and any two from section C.
5. Do not remove any page from this booklet.

This paper consists of 12 printed pages. Candidates should check the question paper to
Ensure that all the pages are printed as indicated and no questions are missing.

SECTION A (30 MARKS)
Answer ALL Questions from this section in the spaces provided.

1. (a) Give two reasons why farmers are advised to use certified seeds for planting. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Give four reasons for planting crops at correct spacing. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
2. (a) Differentiate between pomoculture and olericulture. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Define organic farming (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
3. List three methods of drainage used in Kenya. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….

4. Give three methods of plasticizing rotational grazing. (1 ½ mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
5. Give two factors that influence planting depth of crops (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….

6. Following the advice from soil testing that all the three primary macro nutrients are needed in a hectare of lavel and that 120 kg N, 60kg P2O5 and 80kg of K2O should be applied per hectare, and if only the following fertilizers are available. Sulphate of Ammonia (21%N) Single Superphate (18%P2O5) and muriate of potash (60%K2O). Calculate the amount of individual fertilizer materials needed. (2 mks)

7. Give four measures a farmer may employ in order to adjust to uncertainty (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
8. Give three advantages of tissue culture. (1 ½ mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
9. Give two benefits of correct plant population in annual crops. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
10. Name four human factors that influence the efficiency of agricultural production. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
11. List two characteristics of clay soils. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
12. List four financial documents used in Agricultural production. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….

13. List four disadvantages of overhead irrigation. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
14. State two ways through which one would acquire land. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
15. (a) Name four sources of capital by the farmer. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Briefly explain the following types of capital (1 ½ mk)
(i) Liquid capital
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Fixed capital
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) Working capital
……………………………………………………………………………………………………………………………………………………………………………………………………………….
16. Give two characteristics of well rotten compost. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
17. State two beneficial effects of wind in crop production. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
18. What is opportunity cost. (1mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….

SECTION B (20 MARKS)
Answer ALL Questions in this section in the spaces provided.
19. The illustration below depicts a method of making compost

(i) Identify the method of making compost illustrated above. (1mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Describe the process of filling the first pit. (4 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) What are the limitations of compost manure. (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iv) Name the other method used in preparation of compost manure besides the one above. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
20. Use the information on the table below to answer the questions that follow
Fertilizer input Maize Yield Marginal product.
Units bags bags
0 50 -
1 62 12
2 66 4
3 68 2
4 69 1
5 69 0
The cost unit of fertilizers is Shs. 1500 per unit and price of maize is Shs. 1200 per bag.
(A) (i) At what unit of fertilizer input should the farmer be advised to stop applying more
fertilizer to the maize (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Give a reason for your answer in A(i) above (1mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) Calculate the marginal return at the point of optimum production. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
B (i) State the law of diminishing returns in a production function process. (1 mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Name and explain three ways of combining inputs in production. (3 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….………………………………………………………………………………………………………
21. (A) Below are diagrams K and L showing coffee plants established using two different
formative pruning systems. Study them then answer the questions that follow.

(i) Name the systems of prunning illustrated in the diagram
K (1 mk)
………………………………………………………………………………………………………
L (1 mk)
……………………………………………………………………………………………………….
(ii) State two disadvantages of system L of pruning coffee. (1mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Below are various methods of making cuttings when prunning.

(i) Identify the correct method of making cuts. ( ½ mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Give reasons why the remaining methods of making cuts are incorrect. (1½ mk)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….

SECTION C (40 MARS)
Answer any TWO Questions in this section in the spaces provided, at the end of the section
22. (a) Describe effects of land fragmentation and subdivision. (6 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….………………………………………………………………………………………………………………………………………………………………………………………………………………. ……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) What advantages does a farmer holding a title deed have over one who does not have. (4 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….………………………………………………………………………………………………………………………………………………………………………………………………………………. ……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(c) Describe the cultural methods a farmer would employ to control crop diseases. (10 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
23. (a) Describe the field production of maize for grain, under the following sub headings.
(i) Ecological requirements. (2mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Seed bed preparation (2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iii) Planting (3 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(iv) Field maintenance (3 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Explain six functions of Kenya dairy board as a marketing board. (6 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(c) Explain various factors that would affect the demand of a commodity besides price.
(4 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
24. (a) (i) Describe the procedure of harvesting sugar cane. (4 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(ii) Explain the precautions that should be observed during harvesting of sugar cane.
(2 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(b) Explain the role of organic matter in the soil. (4 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
(c) Discuss various parts used as planting materials giving an example of crops established in each case. (10 mks)
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….
……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….……………………………………………………………………………………………………………………………………………………………………………………………………………….

Kericho District Joint K.C.S.E Trial Examination-2012-Agric Pp1 Question Paper

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