Agriculture Form Four Question Paper

Agriculture Form Four

Course:Agriculture

Exam Year:2007

FRIENDS SCHOOL KAMUSINGA
KIMILILI
PRINCIPLES AND PRACTICES OF AGRICULTURE
FOUR 4 CAT 1
PAPER 1
TERM 1 2007
DATE 19.1.2007
TIME: 2 HOURS

NAME:………………………………………………………ADM NO:………….CLASS:……….

INSTRUCTIONS
• This paper consists of three sections A, B and C
• Answer all questions n section A and B and any two questions in section C.

SECTION A: (30 MARKS)

1. Differentiate between olericulture and pomoculture as used in crop production. (1 mark)

2. State FOUR ways by which biological agents can enhance the process of soil formation.(2 marks)

3. State FOUR advantages of drip irrigation. (2 marks)

4. State FOUR advantages of adding organic manure to a sandy soil. (2 marks)

5. State two factors that would determine the amount of fertilizer to be top dressed to a crop in the field. (1 mark)

6. State FOUR advantages of applying lime as a measure of improving soil conditions. (2 marks)

7. Give FOUR reasons for using certified seeds for planting. (2 marks)

8. Give FOUR reasons for planting crops at the correct spacing. (2 marks)

9. State three effects of soil erosion. (1½ marks)

10. Name FOUR methods used to control weeds in pastures. (2 marks)

11. State FOUR benefits of conserving forage crops. (2 marks)

12. Mention FOUR practices that should be carried out to maintain grass pastures. (2 marks)

13. State FOUR ways by which afforestation helps in land reclamation. (2 marks)

14. Differentiate between stocking rate and carrying capacity as used in pastures. (2 marks)

15. State FOUR advantages of proper stocking rate. (2 marks)

16. State three factors that necessitate land sub-division. (1½ marks)

17. State FOUR disadvantages of controlling pests by use of pesticides. (2 marks)

SECTION B – 20 MARKS

18. The following is a diagram of water treatment plant in a farm. Study it and answer questions that follow.

(a) Give the correct identify of stages labeled numbers 1 – 4. (2 marks)

(i) Stages I

(ii) Stage II
(iii) Stage III
(iv) Stage iv

(b) State the functions of the following stages in water treatment. (3 marks)
(i) Stage

(ii) Stage II

(iii) Stage III

(c) Give FOUR reasons for treating water. (2 marks)

19. Two maize pests are shown in the diagram below. Study them and answer the questions that follow.

(a) Identify the pests in the diagram above labeled A and B. (1 mark)
(i) A
(ii) B
(b) At what stage of maize production does each pest damage the crop? (2 marks)
A
B

20. (a) Describe the procedure which should be followed in spraying a crop of tomatoes using a fungicide in powder form, water and a knapsack sprayer. (3 marks)

(b) Name fungal disease of tomatoes that can be controlled using the above procedure.(1 mark)

(c) State one symptom and control measure for the named disease in ‘b’ above. (2 marks)

(d) State FOUR safety measures that should be taken while spraying the crop with the fungicide. (2 marks)

SECTION C: 40 MARKS
Answer any two question in their section

21. Describe the production of cabbages under the following sub-headings;
a. Nursery Establishment and management. (6 marks)
b. Transplanting (4 marks)
c. Pest and disease control (5 marks)
d. Harvesting and marketing. (5 marks)
22. (a) List various methods of harvesting water in a farm. (4 marks)

(b) Outline farming activities, which may encourage soil erosion. (4 marks)

(c) Explain how various farming practices would help to conserve soil in a farm.(8 marks)

(d) State FOUR methods of improving soil conditions on a poorly drained land.

23. (a)Identify common crop storage problems in your area and explain how these problems can be alluviated. (14 marks)
(b) State any six precautionary measures taken before storing cereal crops. (6 marks)

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