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Kirinyanga Central District Joint Examination Form 4 Agriculture Paper 1 Question Paper
Kirinyanga Central District Joint Examination Form 4 Agriculture Paper 1
Course:Agriculture
Institution: Form 4 question papers
Exam Year:2017
NAME……………..……………………………………………… INDEX NO……........………………..…..
SCHOOL…………………………………………………………. CANDIDATE’S SIGNATURE…….…...
DATE………..…………………………...
443/1
AGRICULTURE
PAPER 1
JULY/AUGUST 2013
TIME: 2 HOURS
KIRINYAGA CENTRAL DISTRICT JOINT EXAMINATION - 2013
Kenya Certificate of Secondary Education
AGRICULTURE
PAPER 1
TIME: 2 HOURS
INSTRUCTIONS TO CANDIDATES:
• Write your name and index number in the spaces provided above.
• Sign and write the date of examination in the spaces provided above.
• This paper consists of THREE Sections A, B and C.
• Answer all questions in Section A and B.
• Answer two questions in Section C in the spaces provided.
FOR EXAMINER’S USE ONLY
Section Question Maximum
Score Candidate’s
Score
A 1 - 21 30
B 22 - 26 20
C 27 - 29 20
20
Total Score 90
Agriculture Paper 1 Turnover
SECTION A: (30 MARKS)
Answer ALL questions in this section in the spaces provided.
1. Name three forms of horticulture farming. (1½mks)
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2. Name any two factors which influence soil colour. (1mk)
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3. Give three reasons why Agricultural produce should be processed. (1½mks)
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4. List two qualities that enable sorghum to be drought resistant. (1mk)
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5. State three entries that are made in a journal. (1½mks)
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6. List two features of plastic pipes a farmer should consider before buying. (1mk)
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7. State three reasons for top dressing pasture. (1½mks)
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Agriculture Paper 1 2
8. State three environmental conditions that may lead to low crop yields. (1½mks)
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9. Give three indicators of well decomposed manure. (1½mks)
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10. State three functions of plastic materials when used as mulch in crop production. (1½mks)
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11. Differentiate between gross domestic product and per capita income. (2mks)
(a) Gross domestic product._________________________________________________________
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(b) Per capita income. ____________________________________________________________
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12. Give two reasons why bush burning is discouraged during land preparation. (1mk)
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13. State three causes of blossom end rot disease in tomato crop. (1½mks)
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14. State three desirable characteristics of agroforestry trees a farmer would consider before planting
in the farm. (1½mks)
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Agriculture Paper 1 3
15. Name four items that a maize farmer can enter into his consumable inventory records. (2mks)
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16. State any three aims of land settlement programmes in Kenya. (1½mks)
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17. List two ways in which soil of PH3 can be raised to PH 6.5. (1mk)
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18. Differentiate between hybrid and composite as used in crop breeding. (2mks)
(a) Hybrid._____________________________________________________________________
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(b) Composite___________________________________________________________________
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19. State two possible causes of wilting in tomato plants despite adequate water supply. (1mk)
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20. Name the form in which the following nutrients are absorbed by plants. (1½mks)
(i) Calcium _____________________________________________________________________
(ii) Sulphur _____________________________________________________________________
(iii) Molybdenum _________________________________________________________________
21. List three farming practices done to reduce water stress in crop production. (1½mks)
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Agriculture Paper 1 4
SECTION B: (20 MARKS)
Answer all the questions in this section in the spaces provided.
22. Below is a diagram of a Common East African Weed.
(i) Identify the weed illustrated above. (1mk)
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(ii) Give one harmful effect of the weed illustrated above to livestock. (1mk)
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(iii) State two methods of controlling the weed illustrated above. (2mks)
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23. The diagram below shows a method of forage preservation.
(i) Identify the structure illustrated above. (1mk)
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(ii) State the form in which forage is conserved as illustrated above. (1mk)
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(iii) Give the role of the following in the structure above. (2mks)
(a) Polythene sheet.
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(b) Drainage
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24. The illustration below represents a form of physical measures in conservation soil and water.
Study it carefully and answer the questions that follow.
(a) Identify the illustration above. (1mk)
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(b) Describe how the above physical measure conserves soil and water. (2mks)
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(c) Name two other physical measures that can be used to conserve water. (1mk)
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Agriculture Paper 1 6
25. Study the diagram below carefully and answer the questions that follow.
(a) Identify the field pest shown in the illustration A and B above. (2mks)
A - ________________________________________________________________________
B - ________________________________________________________________________
(b) State two effect the pest expressed in A above has on maize plant. (2mks)
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26. A livestock farmer in Kirinyaga can rear dairy cattle, beef cattle or sheep. If the farmer undertakes each of the enterprises at a time, he is likely to get returns as follows:
Dairy cattle Kshs.70,000
Beef cattle Kshs.65,000
Sheep farming Kshs.75,000
(a) From the information given which enterprise the farmer should choose? (1mk)
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(b) Give a reason for your answer in (a) above. (1mk)
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(c) What is the opportunity cost of undertaking the enterprise chosen in (a) above? (1mk)
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(d) What is the importance of scarcity in agricultural production? (1mk)
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Agriculture Paper 1 7
SECTION C: (40 MARKS)
Answer any two questions from this section in the spaces provided after question 29.
27. (a) The information below was extracted from the financial valuation of micro-farm at the
end of the year 2007.
Item Value in Ksh.
Dairy cattle
Maize in store
Buildings
Calves
Seven mature sheep
Land
Machinery
Cattle feed in store
Office equipments
Tools in store 55,000.00
19,000.00
126,000.00
5,000.00
7,000.00
260,000.00
4,000.00
4,000.00
1,400.00
10,000.00
On the same date the farm had Ksh.50,000/- in the bank. KCC owed the farm
5,000/- for milk delivered, owed KFS 4,500/- for fertilizers, 5,000/- to Unga
Limited for feeds delivered and labourers wages 12,000/-.
(i) Draw up a balance sheet for the micro-farm as at 31st December 2007. (11mks)
(b) Is the farm solvent or insolvent? (1mk)
(ii) Describe the procedure of harvesting coffee. (4mks)
(iii) A farmer is supposed to apply a compound fertilizer 20:30:10
on a plot measuring 5m long and 4m wide at the rate of 200kg/ha.
(a) What do the figures 20:30 stand for? (2mks)
(b) Calculate the amount of fertilizer the farmer will require per plot.
Show your working. (2mks)
28. (a) The table below shows the production of maize at various level of NPK fertilizer
application. Study it carefully and answer the questions that follow.
Land size
in ha Variable input
NPK in kg Total product
maize in
90kg bags Marginal product
maize in
90kg bags Average product
maize in
90kg bags
1 50 10 10 10
1 100 27 A F
1 150 42 15 14
1 200 56 B 14
1 250 63 7 12.6
1 300 65 C G
1 350 65 D 9.3
1 400 60 -5 7.5
1 450 52 E H
1 500 42 -10 4.2
(i) Complete the above. (4mks)
(ii) Using the graph paper provided draw a graph of total product, marginal
product and average product against variable input on the same axis and
mark the three zones of production. (7mks)
Agriculture Paper 1 8
Agriculture Paper 1 9
(iii) With a reason identify the best zone of production. (2mks)
(b) Give two varieties of sorghum grown in Kenya. (2mks)
(c) Describe five effects of soil erosion. (5mks)
29. (a) Explain seven working principles of co-operative societies. (7mks)
(b) Describe the procedure of whip grafting in citrus propagation. (5mks)
(c) Describe four components of a well developed soil profile. (8mks)
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Agriculture Paper 1 12
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