AGRICULTURE PAPER 2 - 2019 KCSE CEKENA MOCK EXAMINATION (QUESTIONS AND ANSWERS)

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AGRICULTURE PAPER 1 - 2019 KCSE CEKENA MOCK EXAMINATION (QUESTIONS AND ANSWERS)

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GEOGRAPHY PAPER 1 - 2019 KCSE CEKENA MOCK EXAMINATION (QUESTIONS AND ANSWERS)

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SECTION A- 30 MARKS (ATTEMPT ALL QUESTIIONS)

Give four reasons maintaining farm tools. 2mks
Name four complementary tools. 2mks
Name the following breeds of livestock. 3mks
1. A black pig with white shoulders and white forelegs
2. White rabbit with red eyes
3. A camel with two humps

1. State four importance of keeping livestock healthy 2mks
2. Give three physical appearance of an animal to be observed when checking on the health of an animal. 1½mks

Name four nutritional diseases of livestock. 2mks
State four effects of external parasite on livestock production. 2mks
Give four mechanical methods of controlling ticks. 2mks
State 3 characteristics of succulent roughages. 1 1/2mks
List down the four compartments of a ruminant stomach. 2mks
1. What is selection in livestock production? 1mk
2. Name two methods of selection. 1½mks

What is the role of the following parts of the reproduction systems in livestock. 2mks
1. Ovary
2. Uterus
3. Fallopian tube
4. Testis
Give three signs of heat in a rabbit. 1½mks
Give four reason why castration is done in livestock production. 2mks
State four reasons as to why bees would swarm away. 2m

SECTION B(20marks)

Below are different method of identifying farm animals .Study the diagram and answer the questions that follow.
1. Name the methods of identification . 2mks
2. Name the tool that is used to identify in B above. 1mk
3. Give two reasons for identifying farm animals. 2mks

Below are parts of a building .Study it carefully and answer the questions that follow.
1. Name the part labeled A, B, C, D. 2mks
2. What is the use of a crush. Give four . 2mks
3. Give four qualities of a good calf pen. 2mks

Below is a diagram of rearing birds. Study the diagram and answer the questions that follow.
1. Identify the system shown above. 1mk
2. Name the parts labeled A,B,C and D. 2mks
3. What are the advantages of using this system when rearing birds. Give two. 2mks
A farmer wishes to prepare a ration containing 18 and the feedstuff available are maize 7%DCP and sunflower seed cake 34%.\
1. Using a Pearson square method, compute a 100kg of the ration . 3mks
2. Calculate the amount of each feed stuff required. 1mk

SECTION C 40MKS(ANSWER ANY TWO QUESTIONS FROM THIS SECTION)

1. Describe the advantages of Artificial insemination.(AI) 10mks
2. Describe Anthrax under the following subheading.
  1. Animal affected. 2mks
  2. Causal organism 1mk
  3. Symptoms 5mks
  4. Control measures 2mks

1. Compare and contrast the digestive system of a ruminant and a non-ruminant. 7mks
2. Describe the uses of fences in a farm. 10mks
3. Outline the work of worker bees in a bee colony 3mks

1. Give five causes of cannibalism in poultry 5mks
2. Describe the symptoms of roundworm infestation in livestock. 7mks
3. Describe the control measures for cannibalism in layers. 8mks

MARKING SCHEME

Section a

Importance of maintaining farm tools
- To increase durability
- To reduce the replacement cost
- Increased efficiency
- To avoid injury to the user
- To avoid damages to the tools 4x½=2mks
Complementary tool
- Trocar and canilar
- Drill and bits
- Hypodemic needle and syrige
- Bull ring and a lead stick
- Screw and screw driver
  4x½=2mks
- Wesex
- New Zealand white
- Bacterian
  3x½=1½mks
1. Importance of keeping livestock healthy 2mks
  -For high production
  -Production of quality product
  -Long economic life
  -To grow well and faster
  -Health animals can not spread disease
  -Health animals are economical to keep.
  4x½=2mks
2. Physical appearance to be examined
  -Posture
  -General appearance of the animal
  -Movement of the animal
  -Behaviour of the animal
  3x½=1½mks
Nutritional diseases 2mks
- Milk
- Curled toes paralysis
- Bloat
- Bovine ketosis
- Osteomalacia
- Goitre
Effect of external parasite 2mks
- Iritation
- Anaemic conditions
- Transmission of diseases
- Injure and damage the skins
- Deprive the host animal of food
- Obstruction to internal organs
Mechanical method of controlling ticks 2mks
- Burning infected pastures
- Interfering with ticks life cycles/practice rotational grazing.
- Fencing of the pasture land and farm
- Starving the ticks to death
- Hand pricking and killing of the ticks
Characteristics of succulent roughages
- High fiber content
- High moisture content
- Low protein content
- High carbohydrate content 3x½=11/2mks
Compartment of a ruminant Stomach
- Rumen
- Reticulum
- Omasum
- Abomasums 4x½=2mks
1. It is a process of choosing individual with desired characteristic for the purpose of breeding. 1mk
2. Methods of selection
  - progeny testing
  -mass selection
  -contemporary comparison
  2x½=1mk
Role of
1. Ovary-Produce ova
  -Produce female hormone
2. Uterus – Implantation of the embryo.
  -Fallopian-tube fertilization takes place here
  -Testis-Production of sperm
  -Produce the male hormone
  4x½=2mks
Signs of heat in rabbit
- Restlessness
- Frequency urination
- Swollen vulva
- Throw itself on its side
- Rub herself against the wall
- Peeps through the cage 4x½=2mks
Reasons for castration
- Make them docile
- Control breeding
- Improve the quality of meat
- Control spread if breeding diseases
- Improve the growth rate 4x½=2mks
Reason of swarming in bees
- Lack of food
- Noise
- Sick queen
- Infertile queen
- Outbreak of a disease
- Lack of adequate ventilation
- Dampness
- Overcrowding
- Damaged combs 4x½=2mks
  
  SECTION B
1. - Tattooing
  - Ear notching
  - Ear tagging
  - Neck strap
    4x½=2mks
2. Ear Notcher 1x1=1mk
3. Reasons of identifying farm animals
  - To facilitate proper feeding
  -Facilitate selection
  -For recording keeping
  -For culling 4x½=2mks
1. A-Strut
  B-Tie beam
  C-Rafter
  D- Purlin
2. Uses of a crush
  - vaccination
  -dehorning
  -Treating sick animal
  -Pregnancy test
  -Milking
  -Hoof trimming
  4x½=2mks
3. Qualities of a good calf pen
  - Enough space
  -well ventilated
  -well drained
  -easy to clean
  -free from drought
  -Leak proof 4x½=2mks
1. Fold system 1x1=1mk
2. A-Door
  B-Wire mesh
  C-Corrugated iron sheet
  D-Door
3. Manure is spread evenly
  -less feed is used
  -reduces the build up of pest and diseases. 2x1=2mks
1. SECTION C
1. Advantages of artificial insemination.
  - Semen of superior bull can be used to serve many cows.
  - Control transmission of breeding diseases and parasites.
  - Sires which are not able to serve due to heavy weight or injury can produce semen to serve cows
  - Prevent large bulls from injuring small cows
  - Reduce expenses of keeping a bull on pasture
  - A farmer of a small scale farm who cannot afford to buy a superior bull can use AI
  - Semen can be stored for a long time even after the death of the bull
  - It is easy to control breeding diseases.
  - Easy to control inbreeding
  - Eliminate dangerous bulls from the farm.
  - Useful tool for research 10x1=10mks
2. Anthrax
  1. animals affected ,cattle,sheep,goats,man etc 2x1=2mks
  2. causal ogansium: Bacteria/ bacillus anthracis 1x1=1mks
  3. Symtoms
    - Swollen on the under side of the body
    - Develop fever
    - Blood stains in the feaces and in milk
    - Swollen throat in pigs
    - Tar –like watery blood oozes from all opening in dead animal
    - Cases of anthrax lack rigor mortis. 5x1=5mks
  4. Control
    -Large doses of anti-anthrax seru
    -Never open the carcass
    -Vaccination
    -Quarantine
    -isolation of the sick
1. Ruminant Non-ruminant
  Chew cud Do not chew cuds
  Have four stomach chamber One stomach chamber
  Regurgitate food Cannot regulate food
  Can digest cellulose Have no microbial digest except the ones with cause.
  No ptyalin in the saliva Have ptylin in saliva
  Most digestive and Most digestion and Absorption takes place in small intestine absorption takes place in rumen
  Alkaline saliva Neutral saliva 7mks
2. Uses of fences
  - Help in control of pest and diseases
  -Mark the boundaries
  -Keep off intruders
  -Act as wind breaks.
  -Facilitate mixed farming
  -Add value to the farmer./adds aesthetic value
  -Facilitates rotational grazing
  -Farm planning and management is made easy
  -crop rotation is easily administered
  -confine a specific class of animals into one areas eg sick animals
  -provides privacy eg hedges
  -control movements of the animals 10x1=10mks
3. Work of worker bees
  -Clean the hive
  -Feeding the queen
  -Guarding the hive
  -Looking for nectar
  -building the hive
  -Making honey
  -Sealing the cracks and crevices in the hive 3x1=3mks
1. Causes of cannibalism in poultry
  - Overcrowding
  - Introduction of new bird
  - External parasite
  - Bright light in the brooder
  - Mineral deficiency. 5x1=5mks
2. Symptoms of roundworm infections in livestock.
  - Anorexia
  - Stiff dry coat
  - Dehydration
  - Eggs and adults are seen in faeces
  - General emaciation
  - Pot bellies in young animals. 7x1=7mks
3. Control measures of cannibalism
  -Avoid blight light in the poultry house
  -Avoid overcrowding
  -Provide birds with a balanced diet
  -Keep birds according to their age
  -Control external parasite
  -Keep birds busy by hanging green vegetables .
  -Debeak hens which peck others
  -Cull perpetual cannibal.