Agriculture Questions and Answers - Form 1 End Term 1 Exams 2022

QUESTIONS

Instructions:
Answer all the questions in the spaces provided

1. Name three forms of horticultural farming. (3mks)
2. State any five methods of farming. (5mks)
3. Outline five roles of agriculture in the Kenyan economy. (5mks)
4. List five biotic factors that affect agricultural production. (5mks)
5. List four aspects of rainfall that a farmer may consider when deciding on what crop to grow in an area. (4mks)
6. Give four factors influencing soil formation. (4mks)
7. Draw a well labeled diagram of soil profile. (7mks)
8. The experiment set-up below illustrated capillarity action in different soils. Observe it closely and answer the questions that follow.
   
   
   1. Name the type of soil in capillary tube K, L, M. (3mks)
   2. Name the type of soil with the highest capillary action. (1mk)
   3. State the type of soil with the lowest capillary action. (1mk)
9. List five constituents of the soil. (5mks)
10. Give two ways of lowering soil pH. (2mks)
11. State five categories of farm tools and equipment. (5mks)
12. The diagrams below represent types of spanner.
    
    
    1. Name tools (3mks)
    2. State one advantage of tool A over C. (1mk)
    3. State five reasons for maintaining farm tools and equipments. (5mks)
13.                              
    1. Define land preparation. (1mk)
    2. List five importance of land preparation. (5mks)
14. Give four methods of clearing the land. (4mks)
15. State one maintenance practices carried out on saws. (1mk)

MARKING SCHEME

Instructions:
Answer all the questions in the spaces provided

1. Name three forms of horticultural farming. (3mks)
   • Floriculture
   • Olericulture
   • Pomoculture/pomology
2. State any five methods of farming. (5mks)
   • Nomadic pastoralism
   • Shifting cultivation
   • Mixed farming
   • Organic farming
   • Agro-forestry
3. Outline five roles of agriculture in the Kenyan economy. (5mks)
   • Provision of foreign exchange
   • Source of raw materials for industries
   • Provision of market for industrial goods
   • Source of capital/money
   • Food supply
   • Source of employment
4. List five biotic factors that affect agricultural production. (5mks)
   • Pests
   • Parasites
   • Decomposers
   • Predators
   • Pollinators
   • Nitrogen fixing bacteria
   • Pathogen
5. List four aspects of rainfall that a farmer may consider when deciding on what crop to grow in an area. (4mks)
   • Rainfall reliability
   • Amount of rainfall
   • Rainfall distribution
   • Rainfall intensity
6. Give four factors influencing soil formation. (4mks)
   • Parent rock material
   • Climate
   • Topography
   • time
7. Draw a well labeled diagram of soil profile. (7mks) 
   
8. The experiment set-up below illustrated capillarity action in different soils. Observe it closely and answer the questions that follows
   1. Name the type of soil in capillary tube K, L, M. (3mks)
      • K - Sand
      • L - Loam
      • M - Clay
   2. Name the type of soil with the highest capillary action. (1mk)
      • M Clay
   3. State the type of soil with the lowest capillary action. (1mk)
      • K Sand
9. List five constituents of the soil. (5mks)
   • Soil mineral matter
   • Soil organic matter
   • Soil air
   • Soil water
   • Soil living organism
10. Give two ways of lowering soil pH. (2mks)
    • Application of sulphur
    • Application of acidic fertilizers
11. State five categories of farm tools and equipment. (5mks)
    • Garden tools and equipment
    • Workshop tools and equipment
    • Livestock production tools and equipment
    • Masonry tools and equipment
    • Plumbing tools and equipment
12. The diagrams below represent types of spanner.
    1. Name tools (3mks)
       • A – Adjustable spanner
       • B – Open ended spanner
       • C - Ring spanner
    2. State one advantage of tool A over C. (1mk)
       • A can losen and tighten bolts and nuts of different sizes while C can only loosen or tighten nuts of specific size.
    3. State five reasons for maintaining farm tools and equipments. (5mks)
       • To increase durability
       • To reduce replacement costs
       • To increase efficiency
       • Avoid injury to the user
       • Avoid damage to the tools
13.                            
    1. Define land preparation. (1mk)
       • These are activities that make land suitable to receive planting materials.
    2. List five importance of land preparation. (5mks)
       • Kill weeds
       • Incorporate manure and organic matter in the soil.
       • To destroy different stages of soil borne pests and diseases.
       • Aerate the soil
       • Encourage root penetration into the soil
       • To make subsequent operation possible
       • Encourage water infiltration into the soil.
14. Give four methods of clearing the land. (4mks)
    • Tree felling
    • Burning
    • Slashing
    • Use of chemicals
15. State one maintenance practices carried out on saws. (1mk)
    • teeth setting
    • tighten loose nuts and screw
    • straighten blade when bent
    • oiling in case of long storage
    • cleaning after use