Agriculture Paper 2 Questions and Answers - KCSE 2022 Mock Exams Set 2

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

Answer ALL the questions in this section in the spaces provided.

  1. State four maintenance practices of a forked jembe. (2mks)
  2. Fill in the origin for the breeds of livestock shown in the table below. (2mks)
     Livestock breed  Origin
     Friesian cattle  
     Aberdeen Angus cattle  
     Large white pig  
     Boer goat  
  3. State the importance of keeping livestock healthy. (2mks)
  4. Give the functional difference between a pruning knife and a pruning saw. (1mk)
  5. Name any two dual purpose breeds of sheep. (1mk)
  6. List any four pre-disposing factors of livestock diseases. (2mks)
  7. Differentiate between the terms breed and type of animal. (1mk)
  8. Give the factors that determine the amount of water taken by an animal. (3mks)
  9. List any four causes of livestock diseases. (2mks)
  10. Give the reasons for breeding in livestock. (2mks)
  11. List the materials used in making walls of farm buildings. (2mks)
  12. What is the meaning of the term immunity as used in livestock health. (1mk)
  13. State the measures that prevent egg eating in poultry. (2mks)
  14. State the signs of heat in pigs. (3mks)
  15. Give one use of a screen in a fish pond. (1mk)
  16. State two methods of service in livestock. (1mk)
  17. Give the advantages of wall fence. (1mk)
  18. List the factors considered in sorting and grading eggs for market. (1mk)

Answer ALL the questions in this section in the spaces provided.

  1. The diagram X and Y below show the hooves of sheep
    1. Which one of the two hooves would be more susceptible to foot-rot disease. (1mk)
    2. What routine management practice is required on the hoof to control foot rot? (1mk)
    3. State four symptoms of hoof rot. (2mks)
    1. The illustrations below labeled V, W, and X show three different ways some hens were debeaked.
      1. Which hen was correctly debeaked? (1mk)
      2. State two reasons for your choice in (i) above. (1mk)
    2. Name any two tools which would be used for debeaking. (2mks)
  3. Below are diagrams illustrating the behaviour of chicks in various brooders. Study the diagrams and answer the questions that follow:
    1. State the environmental problem in each brooder as illustrated by the behaviour of the chicks. (3mks)
    2. State one way of solving the problem in B. (1mk)
  4. Below is a diagram of a male goat.
    1. What operation is carried out on the part labeled F. (1mk)
    2. Why is it necessary to carry out the operation. (2mks)
    3. Give any two suitable methods of carrying out the operation in (a) above. (1mk)
  5. Below is a diagram of a two-stroke engine cylinder.
    1. Name any one farm machine where the above engine is used. (1mk)
    2. Identify the parts labeled M, L, and N. (3mks)

Answer any TWO questions in this section in the spaces provided after question 26.

    1. Describe the feeding management of broiler chicks from one day old to slaughtering. (10mks)
    2. Describe the routine management practices in dairy calves. (6mks)
    3. Describe the factors that affect milk composition. (4mks)
    1. Describe a blue tick (Boophilus decolaratus) under the following sub-headings.
      1. Diseases transmitted. (2mks)
      2. Preferred site of attachment. (3mks)
      3. Non-chemical control measures. (5mks)
    2. Discuss mastitis disease under the following sub-headings:
      1. Predisposing factors. (5mks)
      2. Control and treatment. (5mks)
    1. Describe the functions of each of the following parts of a plunge dip. (7mks)
      1. Foot bath
      2. Entrance race
      3. Roof
      4.  Drainage race
      5. Jump
      6. Dip tank
      7.  Exit steps.
      1. Describe the disadvantages of animal power. (5mks)
      2. State the advantages of four-strokes engine over two stroke engines. (3mks)
    3. Describe the factors that influence the amount of concentrate a lactating animal would be given. (5mks)

Marking Scheme

    • Clean after use
    • Straighten bent pongs.
    • Tighten loose handle.
    • Replace broken handle. 4x ½ =2mks
    • Fresian – Holland
    • Aberdeen Angus – Scotland.
    • Large white – Britain
    • Boer Goat – South Africa. 4x ½ =2mks
    • Healthy animals grow well and fast.
    • Healthy animals have long productive life.
    • Healthy animals give maximum production.
    • Healthy animals produce high quality products.
    • Animals will not spread diseases. Any 4x ½ =2mks
  4. Pruning knife is used in pruning tea while pruning saw is used to cut stems and hard branches.
    (mark as a whole)
    • Romney mash
    • Corriedale
    • Hampshire down. Any 2x ½ =1mk
    • Species of animals
    • Breed of animal
    • Age of animal
    • Size of animal
    • Colour of animal any 4x ½ =2mks
    • Breed – is a group of animals having the same characteristics.
    • Type indicate the purpose for which the animal is kept. (mark as a whole)
    • Level of production/amount of work.
    • Type of food eaten by the animal.
    • Body size.
    • Ambient temperature.
    • Species of the animal.
    • Breed of animal. 6x ½ =3mks
    • Nutritional causes
    • Physical causes
    • Chemical causes
    • Living organisms. 4x ½ =2mks
    • Expound inherited potential
    • Introduce new genes.
    • Overcome production problems caused by environment.
    • Satisfy consumers’ taste
    • For economic reasons. 4x ½ =2mks
    • Cement
    • Sand
    • Bricks/stones/blocks/mud
    • Timber
    • Steel bars. Any 4x ½ =2mks
  12. Ability of an animal to resist the infection of a disease. 1mk
    • Collect eggs regularly and frequently.
    • Make nests dark
    • Feed balanced diet.
    • Debeak perpetual egg eaters.
    • Supply green leaves to keep birds busy. Any 4x ½ =2mks
    • Restlessness
    • Frequent urination.
    • Swelling and reddening of vulva.
    • Slimy mucus discharge from vulva.
    • Responds positively to riding test.
    • Frequent mounting others. 6x ½ =3mks
  15. Prevent unwanted species of fish from entering the pond/prevent fish from escaping into the river.
    • Natural mating
    • Artificial Insemination.
    • Very effective in controlling movement of animals and trespassers.
    • It is durable.
    • Improves privacy. Any 2x ½ =1mk
    • Cleanliness
    • Size
    • Candling quality
    • Colour any 2x ½ =1mk
    1. X 1mk
    2. hoof trimming 1x1=1mk
      • Swollen foot
      • Pus and rotten smell from hooves.
      • Sheep kneeling while grazing. Any 2x 1 =2mks
      1. V 1x1=1mk
      2. Upper beak is used to fight while lower beak is for eating and taking water.1x1=1mk
    2. debeaker
      scalpel/knife 2x1=2mks
      1. - low heat
      2. - too hot brooder condition
      3. - draught 3x1=3mks
      • Reducing the number of heat sources.
      • Lowering the wick if interns are used.
      • Use low voltage bulbs Any 1x1=1mk
    1. Castration
      • Improve quality of meat.
      • To make bulls docile.
      • Improves growth rate. Any 2x1=2mks
      • Use of a Burdizzo.
      • Use of a rubber ring 2x ½ = 1mk
      • Mowers
      • Chain saw
      • Water pump 1x1=1mk
      • L - piston rod
      • M - spark plug
      • N - exhaust port
      • From one day old to four weeks feed on broiler starter mash or crumbs.
      • From four weeks feed on broiler follow on mash or pellets.
      • From 8 weeks to slaughter feed on finisher pellets.
      • Provide enough feed.
      • Provide plenty of clean water.
      • Newspapers should be spread on the floor of brooder to prevent chicks feeding on litter.
      • Some feed should be placed on newspapers and others on feeders.
      • When chicks learn where to feed from newspapers should be removed.
      • The feed should be kept as clean and fresh as possible.
      • Grit should be introduced in to help in digestion.
      • Provide glucose/agricultural trickle to weak chicks at arrival. Any 10x1=10mks
      • Calves should be sprayed against external parasites using appropriate chemicals.
      • Calves should be drenched regularly to control internal parasites.
      • Vaccinate calves as recommended to control diseases.
      • Male calves not required for breeding should be castrated at two to three months old age.
      • Calves should be identified at appropriate age for record keeping.
      • Remove extra teats from female calves.
      • Dehorning/disbudding be carried out. Any 6x1=6mks
      • Age of the animal.
      • Physiological condition of the animal.
      • Stage of lactation.
      • Breed differences.
      • Completeness of milking. Any 4x1=4mks
        • Red water/babesiosis.
        • Anaplasmosis/gull sickness. 2x1=2mks
        • face
        • neck
        • base of horns
        • tail brush
        • dewlap
        • ears
        • eyes any 3x1=3mks
        • Double fencing
        • Hand picking and crushing.
        • Controlled grazing/rotational grazing.
        • Burning infested pastures.
        • Cultivation of infested pastures
        • Predator birds. Any 5x1=5mks
        • Age
        • Stage of lactation period.
        • Udder attachment.
        • Incomplete milking.
        • Mechanical injury.
        • Poor sanitation.
        • Poor milking technique. Any 5x1=5mks
        • Empty affected quarter of udder and instill antibiotics.
        • After milking, use teat dip on every quarter.
        • Use right milking technique
        • Observe strict cleanliness.
        • Use dry cow therapy
        • Use strip cup to detect infection.
        • Use separate udder cloths for each animal. Any 5x1=5mks
      • Foot bath - removing mud from hooves of animals.
      • Entrance race – leads animals in a single file to the dip plunge.
      • Roof – prevents dilution and evaporation of dip wash.
      • Drainage race – animals are held to allow excess dip wash to drip back to the dip tank.
      • Jump – facilitates the animal to jump into the dip tank.
      • Dip tank – holds the dip wash.
      • Exit steps – facilitates the animal to climp out of the dip tank. 7x1=7mks
        • Tires with time.
        • Output is low.
        • Animals can destroy crops while working.
        • Extra land required for their pastures.
        • Requires training.
        • Health can be limiting factor. Any 5x1=5mks
        • Produce high power for heavy duties
        • Efficient in fuel and oil utilization.
        • Perform wide range of farm operations. 3x1=3mks
      • The milk production level.
      • Nutritive value of the concentrate.
      • The returns made from production.
      • The quantity of pasture eaten.
      • The quality of the pastures eaten.
      • Cost of concentrate.
      • The size of the animal. Any 5x1=5mks
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