Agriculture Questions and Answers - Form 3 Mid Term 2 2022

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INSTRUCTIONS

  • The paper has two sections A and B.
  • Answer all questions in sections A and B on the spaces provided after the question.


Questions

SECTION A: (30 MARKS)
Answer all the questions from this section.

  1. List four structural measures used in soil and water conservation. (2 mks)
  2. Outline four reasons for land redistribution in Kenya. (2 mks)
  3. State three effects of soil erosion. (1 ½ mks)
  4. Outline the importance of land title deed. (2 mks)
  5. Outline three disadvantages of tenancy system in farming. (1 ½ mks)
  6. List four causes of land fragmentation. (2 mks)
  7. State four factors influencing mass wasting. (2 mks)
  8. Name four land reform programmes that have been undertaken in Kenya. (2 mks)
  9. Name four types of soil erosion by water. (4 mks)
  10. Differentiate between a dam and a reservoir. (2 mks)
  11. State the two divisions of the million acre scheme. (2 mks)
  12. State four importance of mulching in soil and water conservation. (4 mks)
  13. State four stages involved in land adjudication. (2 mks)
  14. State two forms of collective land tenure system. (1 mk)

SECTION B: (20 MARKS)

  1. The diagram below represents a reproductive system of a hen.
    17 atufdad
    1. Give the names of parts A, B and C. (3 mks)
      A ………………………. B ………………………… C: ……….………………....
    2. State one function of each of the parts D and E. (2 mks)
      D –
      E –
  2. The illustration below represents a mature livestock parasite.
    16 uygtduayda 1
    1. State the name of the parasite shown above. (1 mk)
    2. Name the intermediate host of the parasite you have named in (i) above. (1 mk)
    3. Apart from the above parasite, name three other internal parasites in farm animals. (3 mks)
  3. The diagram below represents a livestock rearing practice.
    17 auygdyaad
    1. Identify the practice above. (1 mk)
    2. Name one tool used to undertake the operation above. (1 mk)
    3. State three reasons for carrying out the practice shown above. (3 mks)
  4. Name the appropriate tools and equipment used to undertake the following operations. (5mks)
    1. Taking body temperature of the animal ……………………………………
    2. Lifting seedlings from the nursery …………………………………………
    3. Cutting wood along the grains …………………………………………….
    4. Measuring squares and right angles …………………………………….
    5. Tightening wires during fencing …………………………………………………….


Marking Scheme

  1. List four structural measures used in soil and water conservation. (2 mks)
    • Trash lines
    • Bunds
    • Cutoff drains/diversion ditches
    • Terraces
    • Gabions/porous dams
    • Dams and reservoirs
  2. Outline four reasons for land redistribution in Kenya. (2 mks)
    • Eases population pressure
    • Creates employment
    • Forms tse tse fly consolidated barrier
    • Increase agricultural productivity
  3. State three effects of soil erosion. (1 ½ mks)
    • Lowers crop yield
    • Lowers land value
    • Destroys farm structures
    • Removes top fertile soil
  4. Outline the importance of land title deed. (2 mks)
    • Can be used as security for credit
    • Encourage long term investments
    • Reduces land disputes
    • Motivates farmer to conserve soil and water
  5. Outline three disadvantages of tenancy system in farming. (1 ½ mks)
    • No security as agreement is not permanent
    • No incentive for long term investment
    • No title deed as security
  6. List four causes of land fragmentation. (2 mks)
    • Shifting cultivation
    • Land inheritance
    • Population pressure
    • Accumulation of land holdings
    • Use of land to settle debts
    • Gifts from friends/Relatives
  7. State four factors influencing mass wasting. (2 mks)
    • Slope of the land
    • Nature of materials
    • Climate
    • Vegetation cover
    • Human activities
    • Forces within earth’s crust
  8. Name four land reform programmes that have been undertaken in Kenya. (2 mks)
    • Land tenure reform
    • Land consolidation
    • Land adjudication and registration
    • Settlement and resettlement
  9. Name four types of soil erosion by water. (4 mks)
    • Splash/raindrop erosion
    • Sheet erosion
    • Rill erosion
    • Gully erosion
  10. Differentiate between a dam and a reservoir. (2 mks)
    • A dam: a wall or a barrier constructed across a river or a valley to hold and store water.
    • Reservoir: Structures e.g. tank to hold water/stored water.
  11. State the two divisions of the million acre scheme. (2 mks)
    • High density scheme
    • Low density scheme
  12. State four importance of mulching in soil and water conservation. (4 mks)
    • Prevents splash erosion
    • Reduce speed of runoff
    • Reduce evaporation
    • Increases organic matter
    • Improves water retention capacity
  13. State four stages involved in land adjudication. (2 mks)
    • Establishment of ownership
    • Measurement
    • Description
    • Recording of land
  14. State two forms of collective land tenure system. (1 mk)
    • Communal tenure system
    • Co-operative tenure system
  15. The diagram below represents a reproductive system of a hen.
    1. Give the names of parts A, B and C. (3 mks)
      • A – Oviduct B – Uterus/Shell gland C - Cloaca
    2. State one function of each of the parts D and E. (2 mks)
      • D – Addition of shell membranes
      • Addition of water, mineral salts and vitamins
      • E – Releases mature ovum (yolk)
  16. The illustration below represents a mature livestock parasite.
    1. State the name of the parasite shown above. (1 mk)
      • Liver fluke
    2. Name the intermediate host of the parasite you have named in (i) above. (1 mk)
      • Water, mud snail
    3. Apart from the above parasite, name three other internal parasites in farm animals. (3 mks)
      • Roundworms
      • Tapeworms
      • Hookworms
  17. The diagram below represents a livestock rearing practice.
    1. Identify the practice above. (1 mk)
      • Hoof trimming
    2. Name one tool used to undertake the operation above. (1 mk)
      • Trimming knife
      • Hoof cutter
      • Hoof rasp
    3. State three reasons for carrying out the practice shown above. (3 mks)
      • Facilitates easy movement
      • Controls foot rot disease
      • Prevents ram from injuring ewe during tupping.
  18. Name the appropriate tools and equipment used to undertake the following operations
    1. Taking body temperature of the animal – Clinical thermometer
    2. Lifting seedlings from the nursery - Garden trowel
    3. Cutting wood along the grains - Rip Saw
    4. Measuring squares and right angles – Try Square
    5. Tightening wires during fencing – Wire/Monkey strainer

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