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Transnzoia County Joint Evaluation Test– 2012-Agric Pp1 Question Paper
Transnzoia County Joint Evaluation Test– 2012-Agric Pp1
Course:Secondary Level
Institution: Mock question papers
Exam Year:2012
Name………………………………………………………. Index No…………………/…….
School……………………………………………………… Date ………………………….…
Candidate’s Signature………………………
443/1
AGRICULTURE
Paper 1
JULY / AUGUST 2012
Time: 2 Hours
TRANSNZOIA COUNTY JOINT EVALUATION TEST– 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. This paper consists of Three Sections A, B and C.
2. Answer all the questions in Section A and B and any two questions from Section C.
1. State two benefits of liming in crop production. (1mk)
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2. List four climatic factors other than rainfall that influence crop production and distribution(2mks)
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3. Give the uses of each of the following financial documents.
(a) Cash sale receipt ( ½ mk)
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(b) Delivery note ( ½ mk)
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(c) Local purchase order ( ½ mk)
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4. State two benefits of a good soil structure in crop production. (1mk)
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5. Explain the following terms as used in fertilizer Chemistry.
(i) Fertilizer grade (1mk)
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(ii) Fertilizer ratio. (1mk)
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6. State four functions of calcium in plant growth. (2mks)
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7. State four factors to consider when grading tomatoes for fresh mashet (2mks)
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8. Give four variable costs in production of coffee, in an established field of coffee. (2mks)
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9. State four uses of organic mulch in crop production. (2mks)
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10. State four factors that contribute to the competitive ability of weeds. (2mks)
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11. Give two ways in which land consolidation helps to improve farm management. (1mk)
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12. Define the following terms as used in crop production.
(a) Trellishing (1mk)
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(b) Stooking (1mk)
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13. Give two advantages of strip grazing (1mk)
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14. State four advantages of mixed pasture. (2mks)
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15. Give two factors to be considered when selecting ascion for grafting (1mk)
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16. State three characteristics of shifting cultivation. (1 ½ mks)
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17. State three advantages of adding organic matter to sandy soil. (1 ½ mks)
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18. State five activities that a farmer should carry out on the storage facility before
Storing farm produce. (2 ½ mks)
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SECTION B (20 MARKS)
Answer all the questions
19. Below is a diagram of nursery for raising cabbage seedlings.
(i) State four advantages of the part labeled X (4mks)
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(ii) State four management practices that should be carried out on the nursery from the time
seedlings emerge to the stage of transplanting. (2mks)
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(iii) At what stage of growth should cabbage seedlings be transplanted. (2mks)
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(iv) How would the damage to the seedlings be minimized when uprooting them during
Transplanting. (1mk)
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20. The table below shows the demand and supply of potatoes at Ukulima market.
PRICE QUANTITY DEMANDED (IN BAGS) QUANTITY SUPPLIED (IN BAGS)
1200 50 250
1000 90 200
800 150 150
600 225 70
400 335 0
(a) Using suitable scales, draw and label a graph showing the relationship between the
demand and supply of potatoes at Ukulima market. (5mks)
(b) What is the equilibrium price of the potatoes? (1mk)
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(c) From the graph determine;
i) The number of bags of potatoes that would be bought if the price per bag is
Ksh.900 (1mk)
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21. The diagram below shows a weed.
(a) Identify the weed. (1mk)
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(b) State two reasons for controlling the weed. (2mks)
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(c) At what stage of growth of maize should be weed be controlled using a post
emergence herbicide? (1mk)
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SECTION C (40 MARKS)
Answer any two questions in this section.
22. (a) Describe field production of napier elephant grass under the following sub-headings
(i) Seedbed preparation (4mks)
(ii) Planting (4mks)
(iii) Utilization (3mks)
(b) Describe four farming practices that may help in achieving mining tillage (4mks)
(c) Explain the various ways of improving labour efficiency on the farm. (5mks)
23. (a) Give four factors that influence the quantity of water used on the farm. (4mks)
(b) State four advantages of drop irrigation in a farm. (4mks)
(c) State four factors considered when designing a crop rotation programme (4mks)
(d) Give one reason for carrying out each of the following practices in a tomato
nursery.
(i) Pricking out (1mk)
(ii) Hardening off (1mk)
24. (a) Explain the factors that determine the choice of method for controlling pests and
Diseases in crop production. (10mks)
(b) Explain seven ways of breaking seed dormancy. (7mks)
(c) Give THREE reasons why it is advantageous to use farm yard manure instead of
a straight fertilizer (3mks)
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