NAME: …………………………………………. INDEX NO: ……………………………….

SCHOOL:……………………………………….. DATE : ……………………………………

CANDIDATE’S SIGNATURE:………………….

NAIROBI COUNTY JOINT EXAMS-2018

Kenya Certificate of Secondary Education (K.C.S.E.)
AGRICULTURE
PAPER 2
TIME: 2 HOURS

INSTRUCTIONS TO CANDIDATES:

(a) Write your name and Index number in the spaces provided above.
(b) Sign and write the date of examination in the spaces provided above.
(c) This paper consists of THREE sections A, B and C.
(d) Answer ALL questions in Section A and B.
(e) Answer any TWO questions in section C.
(f) Answers should be written in the spaces provided.
(g) This paper consists of 10 printed pages.
(h) Candidates should check the question paper to ascertain that all the pages are printed as
indicated and no questions are missing.
(i) Candidates should answer the questions in English.

FOR EXAMINER’S USE ONLY

SECTION QUESTIONS MAX. SCORE CANDIDATE SCORE
A 1 – 19 30
B 20 – 24 20
C 20
20
Total Score 90

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 SECTION A (30 MARKS)
Answer ALL Questions in the Spaces Provided
1. Why is Irish potatoes not recommended for feeding non-ruminant animals? (½mk)
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2. Give four characteristics of succulent roughages. (2mks)
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3. List two camel species reared in arid and semi-arid areas. (1mk)
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4. Give four practices other than application of preservatives that can be carried out on wooden
fencing posts to make them last long. (2mks)
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5. Give four physical characteristics of a dairy cow. (2mks)
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6. State four reasons for steaming up a dairy cow 2 months before calving down. (2mks)
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7. State the causes of infertility in dairy cattle. (2mks)
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8. State two circumstances which would lead a farmer to cull a high producing dairy cow.(1mk)
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9. State the difference between crutching and raddling. (2mks)
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10. Give four importance of keeping livestock healthy. (2mks)
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11. How does isolation help in livestock disease control? (1mk)
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12. What are the effects of parasites on livestock? (2mks)
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13. State four methods of controlling liverflukes. (2mks)
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14. Give two feeding rearing practices in livestock. (1mk)
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15. State three properties of a good vaccine. (1½mk)
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16. Give two symptoms of brucellosis in cows. (1mk)
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17. State three ways of increasing ploughing depth when using a disc plough. (1½mks)
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18. (a) Explain the term Epistasis as used in breeding. (½mks)
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(b) State three methods used in selection of livestock for breeding. (1½mks)

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19. Give three factors that may inhibit milk let down in dairy cattle. (1½mks)
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SECTION B (20 MARKS)
Answer all questions in the spaces provided in this section

20. Study the following tools carefully and answer the questions that follow.

(a) Identify the structures labeled K, L, M and N.

K……………………………………………………………………………… (½mk)
L……………………………………………………………………………… (½mk)
M……………………………………………………………………………… (½mk)
N……………………………………………………………………………… (½mk)
(b) State the use of tools labeled K and N. (2mks)
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N…………………………………………………………………………………………………….
(c) Give two maintenance practices of the tool labeled M. (2mks)
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21. (a) Define the term feed conversion ratio as used in livestock production. (1mk)
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(b) A bull gained 100kg of live weight after eating 400kg of beef concentrates over a period
of time. Calculate the feed conversion ratio. (2mks)
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22. Below is an illustration of a livestock routine management practice. Study it and answer
questions that follow.

(i) State the reason for carrying out the routine practice shown above. (1mk)
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(ii) Give three factors that affect the effectiveness of the chemical used above. (1½mks)
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23. Study the illustration below and answer questions that follow.

(i) Name the parts labeled Q, R and S. (1½mks)

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R:………………………………………………………………………………………………..
S:……………………………………………………………………………………………….
(ii) Give the function of the part labeled Q. (½mk)
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 (iii) State four factors that determine the type of materials to use in construction of the
wall.
(2mks)
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24. Below is an illustration of a practice carried out in livestock production. Study it carefully and
answer the following questions:

(i) Identify the practice illustrated above. (1mk)

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(ii) Study four advantages of the above practice. (2mks)
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(iii) State three limitations associated with the above practice. (1½mks)
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SECTION C (40 MARKS)

Answer any two questions from this section in the spaces provided

25. (a) Describe milk fever disease under the following sub-headings:
(i) Animals affected. (1mk)
(ii) Causal agent (1mk)
(iii) Symptoms of attack (4mks)
(iv) Control measures (4mks)
(b) Explain the factors to consider when selecting livestock for breeding. (10mks)

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26. Describe the management of a day old layer chick up to the end of brooding. (20mks)

27. (a) Describe the components of a cooling system of a tractor. (10mks)

(b) Outline five care and maintenance practices of a tractor battery. (5mks)
(c) State five uses of solar energy. (5mks)
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