AGRICULTURE PAPER 2 - KCSE 2019 ALLIANCE MOCK EXAMINATION

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

  1. State two reasons of using farm tools and equipment in the farm. (2mks)
  2. State three reasons that would make a farmer opt to rear indigenous cattle breeds instead of exotic cattle breeds. (1 ½ mks)
  3. State three characteristics of Bacterian type of camel. (1 ½ mks)
  4. Name four factors that influence the pulse rate of an animal. (2mks)
  5. State three signs of attack by endoparasites a farmer can observe. (1 ½ mks)
  6. State four factors that determine the amount of food given to an animal. (2mks)
  7. Name three reasons that would make a farmer use a machakos dip instead of a plunge dip to control ticks.             (1 ½ mks)
  8. State four factors considered when selecting construction materials. (2mks)
  9. Name three methods a farmer can use when selecting livestock for breeding. (1 ½ mks)
  10. Mention three signs of heat in a doe. (1 ½ mks)
  11. Mention four reasons that would make a farmer carry out identification to his herd. (2mks)
  12. State two diseases that commonly affect bees in bee farming. (2mks)
  13. State four methods a farmer can use when preserving fish after harvesting. (2mks)
  14. State four factors that determine the choice of poultry rearing system that a farmer chooses to use.(2mks)
  1. State one significance of mobile calf pen in calf rearing. (1mk)
  2. State two disadvantages of a two stroke engine. (1mk)
  3. State two factors that could cause sudden stopping of a tractor engine. (1mk)
  4. State four disadvantages of animal drawn implements over tractor drawn implements. (2mks

SECTION B (20MARKS)
Answer all questions in this section.

  1. The diagram below shows a tractor drawn implement. Study it and answer the questions that follow.
    AGRIC19GHRIO
    1. Name the parts A, B, C and D. (4mks)
    2. State two advantages of using the above implement over mould- board plough. (2mks)
    3. State the function of the parts labeled. (2mks)
      1. A
      2. D
  2. The diagram below shows livestock parasites. Study the diagrams and answer the questions that follow.
    AGRIC20RIO
    1. Identify the parasites X and Y above.   (2mks)
    2. State two effects that are caused by the parasite labeled X on the animal’s body. (2mks)
    3. Name one disease transmitted by parasite labeled X above. (1mk)
    4. State three measures taken to control the parasite labeled Y above. (3mks)
  3. Study the diagram below and answer the questions that follow.
    AGRIC21RIORA
    1. Identify the livestock equipment marked E above. (1mk)
    2. State two reasons that make branding be discouraged as a method of livestock identification.(1mk)

SECTION C (40 MARKS)
Answer any two questions.

  1.  
    1. State five factors that predispose livestock to diseases. (10mks)
    2. State and explain five factors a farmer will consider when siting beehives in the farm. (10mks)
  1.  
    1. Briefly state and explain five equipment a farmer will need when milking and state their uses.(10mks)
    2. Explain five factors to consider when selecting a breeding stock. (10mks)
  1.  
    1. State and explain four materials collected by bees. (8mks)
    2. State and explain the use of four equipments a honey harvester would require to have when harvesting honey.       (8mks)
    3. List four main reasons that make fish farming popular. (4mks)


MARKING SCHEME

SECTION A 30 MKS

  1. Reasons of using farm tools and equipment in the farm. 2x1=2mks
    • to increase efficiency on the farm
    • to enhance production
    • to enhance safety on the farm
  1. Reasons that a farmer opts to rear indigenous cattle breeds over the exotic breeds. 3x ½ =1 ½ mks
    • they can withstand high temperatures
    • they are capable of walking for long distances in search of pasture and water.
    • they are more resistant to most of tropical diseases and pest attack
    • they can survive on poor quality pastures
  1. characteristics of bacterian type of camel. 3x ½ =3mks
    • it has two humps
    • it is heavy and has short legs
    • it lives in cold region hence has thick and long coat
  1. Factors that influence the pulse rate of an animal. 4x ½ =2mks
    • the degree of excitement
    • the age of the animal
    • the sex of the animal
    • physiological status of the animal e.g. pregnancy
  1. Signs of attack by endoparasite a farmer can observe.   3x ½ =1 ½ mks
    • loss of weight and emaciation
    • pot bellied
    • the animal will suffer indigestion
    • anaemic condition due to sucking of blood
    • swollen and painful abdomen
    • dullness and the animal appearing depressed
  1. Factors that determine the amount of food given to an animal. 4x ½ =2mks
    • body size or weight of the animal
    • environmental conditions within which the animal
    • physiological condition of the animal
    • level of production
    • purpose for which the animal is kept
  1. Reasons why a farmer may use machakos dip instead of a plunge dip to control ticks. 3x ½ = 1 ½ mks
    • scarcity of water
    • shortage of capital
    • small number of herds
  2. factors considered when selecting construction materials. 4x ½ = 2mks
    • availability of materials
    • cost of materials
    • suitability of materials
    • durability of materials
    • strength of the material
    • workability of the material
  1. Name three methods a farmer can use when selecting livestock for breeding. 3x ½ =1 ½ mks
    • mass selection
    • progeny testing
    • contemporary comparison
  1. signs of heat in a doe. 3x ½ =1 ½ mks
    • restlessness
    • frequent urination
    • swollen vulva
    • doe throws itself on its sides
    • tries to contact other rabbits in the next hutch
  1. Reasons for carrying out identification to the herds. 4x ½ =2mks
    • for selection and breeding
    • disease control and treatment
    • feeding purpose
    • record keeping
    • culling
  2. Two diseases that affect bees commonly on the farm
    • acarive disease
    • American foul brood disease
  1. Methods a farmer can use when preserving fish after harvesting. 4x ½ =2mks
    • freezing
    • salting
    • sun drying
    • smoking
  1. Factors that determine the choice of poultry rearing system. 4x ½ =2mks
    • availability of land
    • availability of appropriate equipment
    • availability of capital
    • security   etc.
  1. Significance of mobile calf pen in calf rearing. 1x1=1mk
    • prevent accumulation/buildup of parasites
    • prevent accumulation of dung that may lead to dampness
  1. Disadvantages of two stroke engine. 2x ½ =1mk
    • they produce less power
    • they are inefficient in burning fuel to produce power
    • they are air cooled thus limiting the size of engine
  1. Factors that could cause sudden stopping of a tractor engine.
    • poor terminal conditions
    • faulty ignition system                               2x ½ =1mk
  1. Disadvantages of animal drawn implements over tractor- drawn implements.
    • are tedious than the tractor drawn implement
    • more than one person is required to guide the plough and the animals
    • animals are slower than the tractor
    • animals can be attacked by diseases in some areas
    • animals requires extra piece of land for pastures and fodder crops.

      SECTION B 20 MKS
  2.  
    1. A         furrow wheel or rear thrust
      B         beam
      C         disc
      D         disc scrapper                         4x1 = 4mks
    2.  Advantages of using the above implement over mould board plough. 2x1 = 2mks
      • good on rough field with stones, stumps or roots not easily broken by obstacles
      • good on wet, heavy and sticky soils
      • good on hard and dry soils by cutting various depth
      • can be used on soil prone to soil erosion
    3.  
      1. A - for balancing the whole implement
        -also used to adjust the depth of plough
      2. D - to remove wet soils from the disc
        -Aid in the turning and inverting of the furrow slice
  3.  
    1. X – tsetse fly
      Y – tape worm                           2x1=2mks
    2. Effects of parasite X
      • transmit Nagana to the livestock and sleeping sickness in human. (trypanosomiasis)
      • cause anaemia due to sucking of blood
      • damage the skins and the hides of animals                 2x1=2mks
    3. Disease transmitted by the parasite X. 1x1 =1mk
      trypanosomiasis
    4. measures taken to control the parasite labelled Y.
      • keep house clean and disinfected
      • practice rotational grazing
      • keep the feeding and watering equipment clean
      • proper meat inspection
      • proper cooking of meat
      • use of prophylactic drugs                                  3x1 =3mks
  4.  
    1. E- halter                 1x1 =1mk
    2. Reasons why branding is discouraged as a method of identification.
      • causes a lot of pain to the animal
      • it reduces quality of the hides and skin
      • causes wounds which on healing leaves a scar.                      2x1 = 2mks
    3. caponisation is the act of making a male birds lose their male characteristics.

 

SECTION C 40 MKS

    1. Factors that predispose livestock to diseases.     5x2 =10mks
      • The age of the animal
      • The breed of the animal
      • The sex of the animal
      • The colour of the animal
      • The species of the animal
    2. Factors a farmer may consider when sitting a beehive in the farm. 5x2=10mks
      • location of dwelling places
      • accessibility to water sources
      • nearness to nector producing flowers
      • sunlight
      • quietness of a place explained       5x2=10mks
    1. Equipment used by the farmer in milking
      • udder cloth/ towels – for washing and drying the udder
      • milking jelly - prevent teats from crucking
      • warm water – washing the udder to remove dirt
      • milking pails/buckets – for milking
      • strip cup – defecting mastitis
      • milk cans/churns – for storage and transportation
      • milking stool – for a milkier to sit on as he/she milk             10mks
    2. factors considered when selecting a breeding stock
      • physical fitness
      • health
      • level of performance
      •  age
      • body conformation
      • quality of the products
      • temperament/ behavior
      • adaptability
      • mothering ability
      • prolificacy 5X2 = 10 MARKS
    1. four materials collected by bees                                           (
      • water – for drinking and cooling the hive
      • propolis – for sealing cracks and services in the hives
      • pollen grains – from flowers. Fro feeding the brood and queen bee
      • nector – from flowers.
      • Used as bees main food.
      • Used for making honey                                                                                                                                                                     4X2 = 8 MARKS
    2. Equipments for harvesting honey
      • protective gear – to protect the person from the stings
      • honey container – e,g. pail or backet to hold honey or combs
      • a hive tool – used to cut honey combs
      • used to open the hive top bars
      • bee brush – used to brush the bees from the honey combs
        4X2 = 8 MARKS
    3. Reasons that make fish farming popular today
      • supplies cheap and good protein to substitute meat
      • suitable where land is limited
      • makes fish available nearby
      • It is a source of income to farmers
        4X1 = 4 MARKS

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