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Kisii South District Joint Evaluation -2012-Agric Pp1 Question Paper

Kisii South District Joint Evaluation -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

KISII SOUTH DISTRICT JOINT EVALUATION -2012
Kenya Certificate of Secondary Education (K.C.S.E)

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

INSTRUCTIONS TO CANDIDATES
- Write your name and index number in the spaces provided above
- This paper consists of three sections A, B and C.
- Answers should be written in the spaces provided.

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 in this section.

1. List two aspects of light that influence agriculture. (1mk)
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2. State two reasons why land settlement scheme were established in Kenya. (1mk)
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3. Define the following terms as used in crop production. (2mks)
(a) Pomoculture
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(b) Oreliculture
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4. Outline two methods used by farmers to harden-off seedlings in the nursery. (1mk)
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5. State two circumstances that could make shifting cultivation practicable in an area. (2mks)
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6. State two biotic factors that are useful in agricultural production. (1mk)
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7. State four advantages of overhead irrigation. (2mks)
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8. Give two signs that could enable you to identify a composite manure that is ready for use. (2mks)
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9. State four agricultural services available to a crop farmer. (2mks)
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10. State two factors that must be considered when constructing cut-off drains. (1mk)
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11. Give four methods of harvesting water in the farm. (2mks)
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12. Give any two factors that should be considered before deciding to use chemical method
of pest control. (1mk)
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13. (a) What is biological weed control. (1mk)
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(b) State two advantages of biological weed control. (1mk)
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14. State two farming practices that can be carried out to increase the amount of moistured
harnessed by crops. (1mk)
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15. Give two ways in which agriculture contributes to industrial development in Kenya. (1mk)
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16. State any three characteristics of trees used in agroforestry. (1 ½ mks)
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17. State what is meant by the term “trap crop” as used in crop pest control. (1mk)
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18. Outline two factors that could determine the amount of fertilizer to be top dressed to
a crop in the field. (1mk)
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19. State two factors that determine the scale of agricultural production. (1mk)
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20. State four benefits of budgeting to a farm manager. (2mks)
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21. Give three reasons for practicing minimum tillage. (1 ½ mks)
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SECTION B (20 MARKS)
Answer all this questions.

22. The diagram below shows a maize stalk infested by a certain pest. Observe it and
Answer the questions that follow.

(a) Identify the pest in the diagram above. (1mk)
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(b) Give two damages caused by the pest identified in (a) above. (2mks)
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(c) Other than maize name two other crops attacked by the pest (a) above. (1mk)
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(d) Give two cultural control measures for the pest (a) above. (1mk)
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23. The table below show the weekly demand for wheat.
Price (Ksh.) Quantity demand (kg)
20 250
18 350
16 550
14 600
12 700
10 1000
8 1500

(a) Calculate the elasticity of demand for a price fall from ksh.20 to ksh.18 per kg. (2mks)
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(b) If the price increased from kshs.20 to kshs.22 and elasticity of demand is 6.
Find the quantity demanded at higher price. (2mks)
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(c) State two factors that affect the demand of tomatoes other than price. (1mk)
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24. The diagram below shows an experiment set up using soil types G, H & J. Observations
were made after 24 hours. Study the diagram and answer the questions that follow.

(a) What is the experiment above designed to study. (1mk)
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(b) Name the three soil types (1 ½ mks)
G………………………………………………………
H………………………………………………………
J……………………………………………………….
(c) Explain how the farmer can improve the soil type G. (
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25. The diagram below shows a method of bringing tea into bearing. Study it carefully and
Use it to answer the question that follow.

(a) Identify the method in the diagram above. (1mk)
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(b) Why is it necessary to prune a young tea plant as illustrated in the diagram above. (1mk)
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(c) Outline the procedure followed when using the pruning method shown above. (3mks)
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SECTION C (40 MARKS)
Answer any two questions from this section.

26. The following table shows an illustration of production of maize (in tons) using various levels of
input.
Unit of variable input (Mondays) Total output Marginal product Average product
0
1
2
3
4
5
6
7
8 0
6
18
33
40
45
48
48
40

(a) Work out the marginal product and average product and fill in the table. (9mks)
(b) On the same graph paper, plot the graph showing total output, marginal product and
average product against the variable input. (8mks)
(c) Outline three reasons why a maize farmer should keep farm records. (3mks)
27. (a) Explain cultural measures used in the control of weeds in a field of a named
cereal crop. (10mks)
(b) Explain six factors that can influence a well designed crop rotational program. (6mks)
(c) Give four reasons why timely ploughing of the seedbed is important in crop
production. (4mks)
28. Describe the production of nappier grass under the following subheadings.
(a) (i) Land preparation (4mks)
(ii) Planting (3mks)
(iii) Utilization (3mks)
(b) Explain farming practices that may lead to soil erosion. (5mks)
(c) Outline five pieces of information contained in a land title deed. (5mks)
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Kisii South District Joint Evaluation -2012-Agric Pp1 Question Paper

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