AGRICULTURE PAPER 2 - 2019 LAINAKU JOINT MOCK EVALUATION EXAMINATION

Share via Whatsapp

SECTION A (30 MARKS)

Answer all questions in the spaces provided

  1. List four routes through which pathogens can enter the body of a newly born calf. (2marks)
  2. List four duties of a worker bee in a bee colony. (2marks)
  3. Identify the following breeds of livestock (2marks)
    1. A pig breed with dished face, erect ears and white in colour
    2. A beef breed cream white in colour usually very heavy, its males weighing up to 1200kg.
    3. A white breed of goat usually with long hair
    4. A camel breed found on the temperate region.
  4. Outline four signs of calving in cattle.                  (2marks)
  5. Name two tools used for pruning. (1mark)
  6. List three reasons for seasoning timber before being used for construction. (1½ marks)
  7. Give two reasons for raddling in sheep management. (1mark)
  8. Name three methods that are used in selecting of breeding stock in livestock production.     (1½ marks)
  9. List two types of in breeding systems                                                                                     (1mark)          
  10. Outline four factors that influence the stocking rate in a fish pond. (2marks)
  11. State four factors that would contribute to the depreciation of farm equipment. (2marks)
  12. Give four reasons for dehorning in livestock production                                                  (2marks)      
  13. State two desirable qualities of a livestock ration. (1mark)
  14. Name four livestock diseases caused by bacteria. (2marks)
    1. Differentiate between a roughage and a concentrate feed in animal nutrition.          (1mark)     
    2. Give two forms of forage conservation.                                                                     (1mark)
  15. Outline four routine maintenance services carried out on a knapsack sprayer (2marks)
  16. State two preventive measures for bloat. (1mark)
  17. State four livestock management practices carried out in a crush. (2marks)                                                                                                                        

SECTION B (20mks)
Answer ALL the questions in this section in the spaces provided.

  1. The diagram below illustrates a livestock deficiency disease. Study the diagram and answer the questions that follow:-
    p2 19
    1. Identify the disease                                                                                                    (1mark)
    2. Identify the deficient nutrient.                                                                                   (1mark)
    3. Name two diseases that attack poultry                                                                      (2marks)
    4. State one role of the nutrient named in (b) above.                                                      (1mark)
  1. Study the diagram below that shows the power transmission system in a tractor engine.
    p2 20
    1. Label the parts 1 – 4 . (4marks)
    2. What technical term is used to refer to attaching an implement to a tractor. (1mark)
  1. The following illustrations show the behavior of chicks at different temperatures in a brooder.
    p2 21
    1. Explain the temperature conditions in each of the four diagrams A, B, C and D.   (4marks)
    2. State any other requirement of a good brooder.      (1marks)
  1. Study the illustration below and answer the questions that follow.
    p2 22
    1. Identify the parts D, E, F and G      (4marks)
    2. State any use of the part F.       (1mark)

SECTION C (40 Marks)
Answer any two questions in this section in the spaces provided after the questions 22.

    1. Explain the importance of keeping livestock healthy.              (7marks)
    2. Give five effects of internal parasites in livestock.                                                         (5marks)
    3. Describe how a newly constructed pond is prepared and stocked with fingerlings.    (8marks)
    1. Explain the importance of maintaining farm tools and equipment                   (5marks)
    2. State the factors considered when culling in dairy goats.                                              (5marks)
    3. Describe poultry management under the following subheadings.
      1. Causes of stress                                                                                               (5marks)
      2. Control measures for cannibalism.                                                                  (5marks)
    1. Describe the maintenance practices carried out on a tractor before a day's work.     (10marks)
    2. Describe the disease control routine practices in calf rearing.                                         (10marks)


MARKING SCHEME

SECTION A

  1. Routes of pathogens
    Mouth
    Nose
    Eyes
    Anus
    Ears
    Navel / Umbilical cord
    Reproductive organs
    (First 4 x ½ =2marks)
  2. Duties of a worker bee
    - To feed the Queen, drones and brood
    - To collect nectar, pollen, gum and water
    - To clean the hive
    - To make honey and bees wax
    - To guard / defend the hive against intruders.
    - To build combs
    - To seal cracks and crevices in hives with propolis / wax                          
    (First 4 x ½ = 2marks)
    1. Large white
    2. Charolais
    3. Angora goat
    4. Bactrian
      (4 x ½ = 2marks)
  3. Signs of calving in cattle.
    - Cow separates herself from the rest
    - Clear / colourless / slimy mucus discharge from the vulva.
    - Vulva enlarges
    - The udder fills and gets distended
    - Pelvic muscles slacken/relax.
    - Water bag appears and burst    
    (First 4 x ½ = 2marks)                                                                                  
  4. Tools used for pruning
    Pruning saw
    Pruning knife
    Secateurs
    pruning shears
    (2 x ½ =1marks)
  5. Reasons for seasoning timber
    To prevent warping/bending of timber
    Control insect damage.
    Reduces fungal attack.
    (3 x ½ = 1½marks)
  6. Reasons for raddling
    To identify the ram that has served the ewe.
    To show fertile sheep
    To identify the ewes those have been served.
    (First 2 x ½ = 1mark)
  7. Methods of selection
    Mass/individual selection
    Progeny testing
    Contemporary comparison.
    (3 x ½ = 1 ½ marks)
  8. Breeding systems
    Inbreeding
    Outbreeding
    (2 x ½ = 1mark)
  9. Stocking in a fish pond
    Fertility of the pond
    Addition of artificial feeds
    Type of fish in the pond
    Frequency of harvesting
    Method of harvesting
    (First 4 x ½ = 2marks)
  10. Depreciation of Equipments
     Age of the farm equipment
    Intensity of use of the equipment
    Manufactural materials of the equipment
    Maintenance of the farm equipment
    Field / existing conditions where it is used.
    (4 x ½ = 2marks)
  11. Reasons for dehorning
    To avoid injuries to the farmer and other animals / hide
    To make animals docile and easy to handle
    For economical use of space when either transporting or feeding
    To avoid destruction of farm structures
    To make animals look attractive.
    (First 4 x ½ =2marks)
  12. Qualities of a good ration
    Should be balanced in terms of nutrients
    Should be palatable to the animal
    Should be highly digestible
    Free from the contaminants
    Free from poisonous substances
    (First 2 x ½ =1mark)
  13. Livestock diseases caused by bacteria
    Anthrax
    Foot rot
    Brucellosis
    Scours
    Mastitis
    Fowl typhoid
    Black quarter                                                                                               
    (First 4 x ½ = 2marks)
    1. A roughage is a feed stuff with high fibre and carbohydrate content but low protein content while a concentrate is a feed stuff with high protein and / or energy content but crude fibre content                                                                                          
      (marked a s a whole)               (1mark)
    2. Forms of forage conservation
      Hay
      Silage
      Standing forage
       (½ x 2 = 1marks)
  14. Maintenance services on a knapsack sprayer
    Clean after use
    Unblock blocked nozzles
    Proper storage
    Replace worn out parts   
    (4 x ½ = 2marks)
  15. Preventive measures for bloat
    Giving hay before releasing animals to fresh pasture
    Giving fairly wilted gasses after cutting
    Spraying pasture with vegetable oil or liquid paraffin before grazing animals in the field
    Animals should be taken for grazing after the dew has cleared from vegetation 
    (½ x 2 =1marks)
  16. Management practices in a crush
    Hand dressing
    drenching / deworming / dosing against internal parasites
    Vaccination
    Identification e g branding
    Pregnancy diagnosis
    Artificial insemination (AI)
    Dehorning
    Collection of semen
    Taking body temperature
    Hoof trimming          
    (First 4x ½ = 2marks
    )                                                                                                                                        

SECTION B (20 marks)

    1. Head retraction in chicks
    2. Manganese deficiency
    3. Diseases that attack poultry
      Fowl typhoid
      New castle
      Coccidiosis
      Fowl pox                                                                                                (First 2 x 1=2marks)
    4. Activates enzymes
      Used in metabolism of carbohydrates
      Used in metabolism of proteins and fats
      (1 x 1=1mark)
    1. 1-Piston
      2-Crankshaft
      3-Propeller shaft
      4-Differential          (4 x1 = 4marks)
    2. Hitching                                                                                                            (1 x 1=1mark)       
    1. A –      Chicks are crowding around the heat source because the temperatures are low.
      B –      Chicks move further away from the heat source because the temperatures are high.
      C –       Chicks are evenly distributed within the brooder because the temperatures are favourable.
      D –      Chicks move towards one side because the temperatures on one side of the brooder are unfavorable due to effect of draught. (4 x 1 =4marks)
    2. Requirements of a brooder
      Should be well aerated and warm
      Should have enough feeders and waterers
      Should be spacious enough
      Should be clean
      Should be properly drained
      (1 x 1 =1mark)
    1. D – Rafter
      E – Crosstie
      F – Purlin
      G –Gutter
      (4 x 1 =4marks)
    2. To support roofing materials
      To ensure that roofing materials are firmly held after nailing unto the iron sheets.
      (1 x 1 = 1mark)

SECTION C (40 Marks)

    1. Reasons for keeping livestock healthy
      For fast growth rate and early maturity
      For longer economic and productive lie
      For maximum production or performance to maintain productivity
      For good quality products which leads to high market value
      To reduce spread of diseases to man and other animals hence for use
      Healthy animals are economical and easy to keep reducing cost of production
      Healthy and strong offsprings are produced
        (7 x 1=7marks)
    2. Effects of internal parasites
      Cause anaemia
      Deprive the host animal of its food
      Damage tissues and organs
      Cause irritation
      Obstruct internal organs
      (5 x 1=5marks)
    3. Preparation of a new pond     
      The chosen site is marked and cleared
      Deep and shallow end are dug out
      Construct a dyke
      Construct inlet and outlet
      Construct a spillway
      Plant vegetation on the dyke
      Fingerlings are transported in oxygenated containers with clean water
      Fingerlings are allowed to swim out into the pond
      The stoking rate is 5-10 fingerlings per 5m2                                               (8 x 1 = 8marks)            
    1. Importance of maintaining farm tool and equipment. 
      To increase durability-properly maintained tools last longer
      To reduce the cost of replacement-well maintained tools stay longer and the farmer does not spend capital for replacement
      To increase efficiency-well maintained tools work better and efficient to give clean, well finished work
      To avoid damage to the tool-well maintained tools do not get damaged in the process of working
      To avoid injury to the user-well maintained tools are safe to use.   (5 x 1 =5marks)
    2. Factors considered when culling dairy goats
      Old age
      Poor health to prevent spread of diseases
      Physical deformities
      Hereditary defects
      Low milk production           
      (5 x 1=5marks)      
      1. Causes of stress in poultry
        Over crowding
        Sudden change of routine operations
        Sudden loud noise
        Sudden change in weather conditions
        Presence of strangers
        Parasite infestation
        Poor feeding / unbalanced diet
         Introduction of new birds
        Rough handling/too much handling
         (First 5 x 1=5marks)
      2. Control measures for cannibalism  
        make laying boxes / nests dark / dim
        Provide adequate floor space
        Feed birds on adequate balanced diet
        Feed/keeping birds according to age groups
        Control external parasites
        hang greens in the poultry house
        Debeak perpetual cannibals
        Cull perpetual cannibals.
         (First 5 x 1=5marks)
    1. Describe the maintenance practices carried out on a tractor before a day’s work
      Check the tyre pressure and inflate or deflate as recommended
      Check the level of electrolyte in the battery and top up if necessary
      Use a dip stick to check the level of oil and top up if necessary.
      Tighten loose nut and bolts.
      Check water level in the radiator and top up if necessary
      Put in the correct fuel in the tank    
      Check and clean where necessary the battery terminals      
      Check brakes and hydraulic system before days work
      Adjust the fan belt to the correct tension
      Repair or replace worn out parts                                                               (1 x 10=10marks)
    2. Describe the disease control practices in calf rearing
      Proper feeding -to prevent nutritional diseases        
      Vaccination- to boost the calf’s immunity
      Provision of clean food- to prevent contamination
      Proper housing- to prevent draught
      Single housing- to prevent spread of diseases
      Proper ventilation in calf pens- to allow free air circulation
      Damp proof pens- to prevent dampness                                                       (5 × 2=10marks)

 

Join our whatsapp group for latest updates

Download AGRICULTURE PAPER 2 - 2019 LAINAKU JOINT MOCK EVALUATION EXAMINATION.


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