AGRICULTURE PAPER 2 Marking Scheme - 2019 KCSE Prediction Answers Set 2

Share via Whatsapp
  1. Angora ( ½ x 1 = ½ mk)
  2.  
    • Age- Genetic status
    • Species – Animal population
    • Sex – Physiological status
    • Body conformation
    • Colour – Physical injuries (Any 4 x ½ =2mks)
  3.  
    • Ambient temperature rej temperature alone
    • Type of feed eaten by the animal
    • Species of the animal
    • Level of production
    • Amount of work done by the animal
    • Weight/body size of the animal (Any 4 x ½ =2mks)
  4.  
    • Testes – site for sperm production (1mk)
    • Epididymis – Stores sperms   (1mk)
    • Penis – Is an ejaculatory structure or penetrates the vagina depositing sperms during mating (1mk)
  5.  
    • Crutching - is the cutting/trimming of wool around the reproductive system of an ewe to facilitate mating
    • Ringing – Is the cutting of wool around the reproductive system of a ram to facilitate mating (2x½ =1mk) ( mark as a whole (Any 4 x ½ =2mks)
  6. Is the practice of infusing antibiotics into the udder of a dried off cow through the teats canal during the late gestation to reduce the incidence of mastitis     (2mks)
  7.  
    • Should be clean                                                 
    • Should be free from internal abnormalities                 
    • Should be fertilized
    • Should be smooth shelled without cracks
    • Should be oval shaped
    • Should be of medium size (55-60g)
    • Should not be more than 10 days old (Any 4 x ½ = 2mks
  8.  
    • Inadequate laying boxes
    • Presence of broken eggs and egg shell in the poultry house
    • Bright light in the laying nests
    • Idleness amongst birds
    • Delayed collection of eggs
    • Deficiency of minerals eg calcium
    • Inadequate feeding
    • Inadequate laying nests/boxes (Any 4 x ½ =2mks)
  9.  
    • Availability of the materials
    • Cost of the material
    • Skill of the farmer
    • Workability of the material
    • Durability of the material
    • Strength of the material
    • Suitability of the material (Any 4 x ½ =2mks)
  10.  
    1.  
      • Bacterial diseases
      • Viral diseases
      • Protozoan diseases
      • Nutritional disorders (Any 4 x ½ =2mks)
    2.  
      • Fever (high fever over 40°c
      • Blood stains in faeces and milk
      • Extensive bloat of the stomach after death
      • Carcasses lack rigor mortis
      • In dead animals a tar –like watery blood comes off the body oriticesl (openings )eg nose , Anus , mouth .
      • Swelling of underside of the body
      • Difficulties in breathin
      • Sudden death of the animal (Any 3 x ½ =1½mks)
  11.  
    1. Duroc jersey pig – black
    2. Saanen – white
    3. Darper sheep breed -white with black head         (½mk)
    4. Light Sussex poultry breed –white plumage (½mk)      
  12.  
    • Working mechanism
    • Type of fuel used (2 x ½ =1mk)
  13.  
    • It is possible to implant embryo from high quality female to a less valuable female and hence improve the performance of the offspring
    • Stimulates milk production in a female that was not ready to produce milk
    • A highly productive female can be spread over a large area to benefit many farmers
    • It is easier to transport embryos in test tubes that the whole animal
    • Embryos can be stored for long periods awaiting availability of recipient female (Any 4 x ½ =2mks)
  14.  
    • It causes irritation
    • They obstruct internal organs
    • Transmission of diseases
    • Cause aneamia
    • They deprive the host animal of its food
    • They cause injury and damage to tissues and organs    (Any 4 x ½ =2mks)
  15.  
    1. Claw hammer (½mk )
    2. Tin snips         (½mk )
    3. Try square       (½mk )
    4. Spoke shave    (½mk )

SECTION B

  1.  
    1. R – Pruning saw   (½mk )
      S – Burdizzo         (½mk )
      T- Hand drill          (½mk )
      U – Cold chisel       (½mk )
    2. R – Pruning or cutting hard branches(1mk)
      U- Cutting thick metal sheets (1mk)
    3.  
      • Clean after use
      • Sterilize after use
      • Proper storage
      • Lubricate moving parts to reduce friction
      • Tightening looses (Any 2 ×1 = 2mks)
  2.  
    agricp2answ17.PNG
  3.  
    1. Ear notching                        (1mk)
    2.  
      agric ansp218b.PNG
  4.  
    1. Spray race      (1mk)
    2.  
      • It is fast
      • Few attendants are needed/less labour required
      • Animals cannot swallow the dip wash
      • The farmer can spray even small, sick and     pregnant animals
      • The right concentration of acaricide is   maintained
      • It avoids wastage of acaricide (Any 2 x 1 =2 mks)
    3.  
      • Plunge dip
      • Machakos dip
      • Crush (Any 2 x 1 =2 mks)

SECTION C

  1.  
    1.  
      • Control inbreeding
      • Control breeding diseases such as brucellosis
      • Semen from one superior bull can be used to serve many cows
      • Semen can be stored for a long time
      • Sires that are unable to serve cows due to heavy weight or injury can produce semen to serve cows
      • Prevents large bulls from injuring small cows
      • Reduces the cost of keeping a bull
      • Small scale farmers who cannot afford to buy a superior bull can have the cows served at a low cost
      • Eliminates dangerous bulls from the farm
      • It is a useful research tool in livestock breeding                 (7 x 1= 7mks)
    2.  
      • Healthy animals grow well and fast enough to   reach maturity quickly
      • Healthy animals have a longer economic and productive life
      • Healthy animals give maximum production
      • Healthy animals produce high quality products
      • Healthy animals do not spread diseases to other animals or human beings
      • Less money is spend on disease treatment
      • Healthy animals produce strong and healthy offsprings     (5 x 1 =5 mks
    3.  
      • Check the level of the engine oil daily using a deep stick and top up if low
      • Check the fuel level and add if necessary
      • Check the level of water in the radiator and top up if necessary
      • Check the level of electrolyte if below the recommended level top up with distilled water .
      • Tighten loose nuts and bolts
      • Apply grease through the nipples and using a grease gun to reduce friction
      • Remove large sediments from the sediment bowl
      • Check the tyre pressure by use of pressure by use of pressure gauge and inflate or deflate where necessary
      • Check the fan belt tension and adjust to lie between 1.9 cm to 2.5 cm
      • The brake shaft bearing should be greased to reduce friction
      • Ensure the brake fluid level is maintained at the recommended level (Any 8 x 1 = 8 mks)
  2.  
    1.  
      • Age of the animal – The older the animal the lower the butterfat content and the younger the animal the higher the butter fat content
      • Breed of the animal – jersey breed has the highest butter fat content while fresian breeds has the lowest butter fat content
      • Type of food eaten by the animal /nutrition quantities of roughages produce milk with high butter fat content, protein and lactose
      • Time of milking - Milk has a high butter fat content in the morning than in the evening
      • Condition of the animal - Sick , pregnant and emaciated animals produce milk with low butterfat content
      • Season of the year - Butterfat content decreases during the cold season ; due to fat being used in the formation of adipose tissue to insolate against heat loss from the body
      • Stage of gestation and lactation - At the initial stage of lactation milk nutrient is low , the nutrient content rises at the middle phase of lactation and declines from the sixth month of gestation when demand for nutrients by developing foetus gets higher
      • Completeness of milking - The last drawn milk from the udder has 10% of the total fats percentage in the milk (Any 5 x 2 =10 mks)
    2.  
      • Use of pit latrines for disposal of human excreta
      • Eating well cooked beef or pork
      • Inspect beef or port properly
      • Use of prophylactic drugs in pigs and appropriate drenching in cattle
      • Rotational grazing to interrupt the tapeworms life cycle
      • Observe high level of hygiene in animal houses
      • Burning infested pasture during the dry season
      • Ploughing infested pasture to destroy developmental stages of tapeworms (Any 5 x 1 = 5mks)
    3.  
      • They have a hump to store fat which is broken down into energy in times of starvation
      • Have high tolerance to high temperature due to presence of dewlap and thick hides
      • Have high tolerance to tropical diseases such as trypanosomiasis, East cost fever
      • They have a slow growth rate which lead to late maturity.
      • They have a long calving interval
      • They can walk for long distances in search of water and pasture without serious loss of body weight
      • Low production of both meat and milk due to inheritance of poor characteristics
      • Mature animals are small in size (Any 5 x 1 = 5mks)
  3.  
    1.  
      • Tools should always be left in a safe place after use
      • Use of the tool for the correct job
      • Tools should be maintained and serviced to remain in good working condition and last long .
      • Tools should be handled correctly when in use to avoid damage to the tool and injury to the user.
      • Use of safety devices to reduce accidents and to maintain a safe working environment
      • All tools should be stored properly in tool cabinets or racks (Any 4 x 1 = 4mks)
    2.  
      • They prevent crops from being damaged by livestock and wild animals
      • They provide privacy to the farms
      • They improve aesthetic value of the farm
      • They are used to mark farm boundaries
      • They enable to carrying out of mixed farming
      • Facilitate undertaking of rotational grazing
      • Allow isolation of sick animals from healthy ones
      • Help to control spread of parasites and diseases
      • Provide security in the farm by keeping away intruders
      • Movement of animals and people within the farm is controlled , avoiding creation of un necessary paths
      • Live fences act as wind breaks
      • They enhance controlled mating
      • Live fences act as sources of livestock forage (Any 8 x 1 = 8mks)
    3.  
      • Oxytocin     (1mk)
      • Adrenaline   (1mk
    4.  
      • Appropriate milking technique
      • Cull affected animals regularly and those that do not respond to treatment
      • Apply udder infusions
      • Treat any wounds on the udder
      • Practice milking hygiene / separate udder cloth should be used for each animal
      • Test for mastitis using a strip cup and treat accordingly
      • Remove sharp object from the grazing fields and milking areas
      • Carry out dry cow therapy
      • House lactating animal in a clean and dry houses / sheds (Any 6 x 1 = 6mks)      
Join our whatsapp group for latest updates

Download AGRICULTURE PAPER 2 Marking Scheme - 2019 KCSE Prediction Answers Set 2.


Tap Here to Download for 50/-




Why download?

  • ✔ To read offline at any time.
  • ✔ To Print at your convenience
  • ✔ Share Easily with Friends / Students


Get on WhatsApp Download as PDF
.
Subscribe now

access all the content at an affordable rate
or
Buy any individual paper or notes as a pdf via MPESA
and get it sent to you via WhatsApp

 

What does our community say about us?

Join our community on:

  • easyelimu app
  • Telegram
  • facebook page
  • twitter page
  • Pinterest