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443/1 Agriculture Paper 1 Question Paper

443/1 Agriculture Paper 1

Course:Secondary Level

Exam Year:2011

NAME……………………………………………………INDEX NUMBER. …………...………

443/1
AGRICULTURE
PAPER 1
2 HOURS
JULY/AUGUST 2011
FORM FOUR CLUSTER EXAMINATION 2011
Kenya Certificate of Secondary Education
AGRICULTURE
PAPER 1
2 HOURS

INSTRUCTIONS.

Write your name and index number. This paper consists of sections A, B and C. Answer All questions in section A and B and any two questions in Section C in the spaces provided.

FOR EXAMINERS USE ONLY
Section questions Maximum marks Candidates scores
A
B
C 1 – 19
20 – 23
24 - 26 30
20
20
20

TOTAL SCORE 90

This paper consists 9 printed pages

Please Turn Over

SECTION A (30 MARKS)
ANSWER ALL QUESTIONS IN THIS SECTION.

1. State three benefits of practicing mixed farming (1 ½ mks)
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2. Identify any two methods of increasing light intensity in crop production. (1 mk)
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3. Give four human factors that influence Agriculture (2mks)
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4. Mention two reasons why shifting cultivation method of farming is dying in Kenya. (1 mk)
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5. Give three factors outside the animal that influence the quality of farm yard manure.(1 ½mks)
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6. Differentiate between olericulture and pomoculture. (2mks)
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7. (a) Give two reasons why phosphatic fertilizers are applied during planting in crops. (1mk)

2
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(b) A farmer was advised to apply 80kg Nitrogen in his crop of maize during top dressing. The
only fertilizer available was C.A.N (20% N). Calculate the amount of C.A.N in
kilograms the farmer should purchase. (Show your working) (2mks)
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(c) Outline two ways in which a change in soil ph leads to loss in soil of soil fertility
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8. Identify any four sources of capital to farmers in Kenya. (2mks)
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9. State two conditions that may lead to land subdivision in Kenya. (1mk)
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10. Give the meaning of the following terms as used in nursery management;
(a) Pricking out (1mk)
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(b) Hardening off (1mk)
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3
11. State three qualities of a good silage. (11/2mks)
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12. State two practices of carrying out topping in pasture crops. (1mk)
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13. Give two reasons for keeping health records. (1mk)
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14. (a) Outline two indicators of economic development in a country (1mk)
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(b) Give two forms of enterprise relationships. (1mk)
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15. (a) What is Agro-forestry? (1mk)
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(b) State four roles of trees in soil and water conservation. (2mks)
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16. Name the chemicals used in the control of the following crop pests (1 ½mks)
(i) Insect
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4

(ii) Nematodes
(iii) Mites
17. List two ways by which weeds are adapted for successful propagation. (1mk)
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
18. State any two common symptoms of viral diseases in crops. (1mk)

5
SECTION B (20MKS)
ANSWER ALL QUESTIONS IN THIS SECTION

19. (a) Define the term soil sampling (1mk)
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(b) The diagram below represents two methods of soil sampling
N M

(i) Identify the methods N and M. (1mk)
N

M

(ii) State three precautions observed when carrying out the practices labeled N
and M(1 ½mks)
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(c) Outline three reasons of testing soil pH. (1 ½ mks)
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20. The following information is from Mr. Mbutas farm for the year ending 31 – 12 – 2009.
Opening valuation Kshs 6,000
Paid wages Kshs 5,000
Bought equipment worth Kshs 8,000
Bought pig feeds worth Kshs 4,000
Sold mature pigs worth Kshs 7,000
Bought drugs worth Kshs 3,200
Sold maize worth Kshs 3,000
Sold piglets worth Kshs 4,000
Closing valuation Kshs 4,000

(a) What do understand by the term opening valuation. (1mk)
_____________________________________________________________________________
_____________________________________________________________________________
(b) Using the information above, prepare a profit and loss account for Mr. Mbuta’s
farm. (3 ½mks)

(c) From the calculations in (b) above, state whether Mr. Mbuta made a profit or loss

21. (a) State two crop production practices carried out after planting to achieve optimum
plant population. (1mk)
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(b) Study the diagram below and answer the questions that follow.

(i) Name the method layering represented above; (1mk)
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7
(ii) State three advantages of using the above method compared to the use of
seeds. (1 ½mks)
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(iii) State three factors considered during selection of planting materials. (1 ½ mks)
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22. Below is a diagram representing a cross-section of a compost heap. Study it carefully
and answer the questions that follow.

(a) Identify the parts labeled A,B,C and D. (2mks)
A _____________________________________________________________
B. _____________________________________________________________
C. _____________________________________________________________
D. _____________________________________________________________
(b) What is the importance of adding layer D during the preparation of compost manure. (1mk)
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(c) Identify two factors to consider during location of a compost heap/pit. (1mk)
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(d) Give two signs which will indicate that the compost manure is ready to be used. (1mk)
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SECTION C (40 MARKS)

ANSWER ANY TWO QUESTIONS FROM THIS SECTION.

(USE SEPARATE ANSWER SHEETS PROVIDED)

23. (a) Explain the reasons for treating water in the farm. (4mks)
(b) State the uses of water in the farm. (4 ½ mks)
(c) Describe the process of water treatment using chemical system. (12 ½ mks)

24. (a) Describe the factors considered during planning of enterprises
on the farm. (10mks)
(b) State the qualities of a good farm manager. (5mks)
(c) Outline the problems that farmers face in the marketing of
Agricultural goods (5mks)

25. Describe the field production of maize for grains starting from seedbed
Preparation to harvesting (20mks)

443/1 Agriculture Paper 1 Question Paper

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