INSTRUCTIONS
- This paper consists of three sections A, B and C
- Answer all the questions in section A and B and two questions in section C
SECTION A ( 30MARKS )
Answer ALL the question in this section in the spaces provided
- Give one reasons why agriculture is regarded as a science (1mk)
- List four methods of farming (2mks)
- Differentiate between soil structure and soil texture (1mk)
- State four reasons for draining a water logged land (2mks)
- State two effects of siltation in dams and reservoirs (1mk)
- Give threebenefits of undersowing in pasture production (1mk)
- Give four reasons for growing crops under optimum temperature condition (2mks)
- Name one vegetative material used to propagate each of the following crops (2mks)
- Bananas
- Pineapples
- Irish Potatoes
- Pyrethrum
- List four advantages of the title deed to a farmer (2mks)
- What is meant by the following terms in crop as production?
- Crop rotation (1mk)
- Mulching (1mk)
- Give two factors than can increase seed rate in crop production (2mks)
- State three functions of Nitrogen in crops (1 ½ mks)
- State four ways of improving labour productivity on the farm (2mks)
- State four advantages of applying lime as a measure of improving soil condition (2mks)
- List three sources of organic matter in the soil (1 ½ mks)
- List four post harvest practices that are carried out in maize production (2mks)
- Give three factors affecting selectivity and effectiveness of herbicides (1 ½ mk)
- What is meant by the term preference and choice as used in agriculture economics (1mk)
SECTION B ( 20 MKS)
Answer all questions in this section in the spaces provided
- The diagram below shows a physiological condition of tomatoes . Use it to answer the following questions.
- Identify the condition (1mk)
- Give three causes of the condition identified in (a) above (3mks)
- The diagram drawn below shows pests that attack crops in the field. Use it to answer the questions that follows.
- Identify the pest (1mk)
- Classify the above pest depending on the feeding habit (1mk)
- List three effects of the pest above in crop production (3mk)
- The diagram below illustrates a final seedbed after a tertiary operation done during land preparation.
Study it carefully and answer the questions that follow- Name the tertiary operation carried out on the seedbed (1mk)
- Describe how the tertiary operation named in (a) above is carried out (2mks)
- Give two advantages of planting crops on the final seedbed illustrated above (2mks)
- The table below shows the population and gross domestic products of countries A and B
Country
Gross Domestic Produce (Million Kshs)
Population (Million)
A
B
1800
1200
36
15
- Calculate the per capita income for each country. Show your working (3mks)
- Which of the two countries is more developed economically (1mk)
- Give a reason for your answer in (b) above (1mk)
- How can agriculture increase the gross domestic product of a country (1mk)
SECTION C (40 MARKS)
Answer any TWO questions from this section in the spaces provided after question 25
-
- Discuss production of beans (Phaseolus Vulgaris) under the following sub-headings
- Selection and preparation of planting materials (3mks)
- Planting (3mks)
- Disease control (2mks)
- Outline four factors that determine the depth of planting maize seeds (4mks)
- Outline the advantages of a mixed grass legume pasture over pure grass (8mks)
- Discuss production of beans (Phaseolus Vulgaris) under the following sub-headings
-
- Explain the factors that contributes to competitive ability of weeds (7mks)
- State five factors that determine the choice of irrigation to use in the farm (5mks)
- Outline five characteristics of fertile soil (5mks)
- Name three types of soil water? (3mks)
-
- Describe five characteristics of Nitrogenous fertilizers (5mks)
- Discuss the guidelines that should be followed when planning a crop rotation programme (10mks)
- Explain the importance of a nursery in crop propagation (5mks)
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