Agriculture Paper 2 Questions And Answers - Form 3 Term 2 Opener Exams 2021

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AGRICULTURE
PAPER 2
TERM 2 OPENER EXAM

INSTRUCTIONS

  • This paper has 3 Sections: A, B and C
  • Answer all the questions in Section A and B 
  • Answer only two Question in Section C

SECTION A (30 marks)
Answer all the questions.

  1. State two disadvantages of artificial incubation of eggs. (2mks)
  2. List four desirable of a good ewe for breeding should have. (2mks)
  3. What is progeny testing as used in the selection of livestock? (1mk)
  4. State two reasons for docking sheep. (1mk)
  5. Name any four dual purpose breeds of cattle. (2mks)
  6. Give 2 reasons for culling in cattle production (1mk)
  7. Give two types of ticks that attack livestock. (2mks)
  8. Give three causes of nutritional diseases. (3mks)
  9. State two characteristics of the bacteria in camel. (1mk)
  10. Name two types of dead fences. (1mk)
  11.        
    1. Give three factors to be considered when siting poultry house. (1 ½ mks)
    2. Define the term breeding. (1mk)
    3. Name two brooding methods in poultry. (2mks)
  12.     
    1. Define pre-disposing factors. (1mk)
    2. State four pre-disposing factors of scours in calves. (2mks)
  13. Give four symptoms of internal parasites in livestock. (2mks)
  14. State two uses of footbath in a cattle dip. (1mk)
  15. State five signs of fawowing in sows. (2 ½ mks)
  16. Differentiate between terms apiculture and aquaculture as used in Agriculture. (1mk)

SECTION B (20 marks)
Answer all the questions.

  1. Study the illustration below and use it to answer the questions that follow.
    1. Name the type of beehive shown. (1mk)
    2. Give names of other two types of hives. (1mk)
    3. Name the parts labeled F,G AND H. (3mks)
  2.     
    1. Define the term digestibility. (1mk)
    2. Using the person’s square method compute how much maize meal (8%cp) and soyabean meal 43%cp would be required to prepare 100kg of the mixture containing 15% cp. (4mks)
  3. Study the diagram below of a reproductive system of a cow.
    1. Name the parts labeled k and l. (1mk)
    2. Give the use of the parts M and N. (2mks)
  4. State any four cultural methods of controlling ticks. (2mks)
  5. Diagrams F, G, H and J illustrate farm tools.
    1. Identify the tools F, G, H and I. (2mks)
    2. Give the function of each of the above tools. (2)
    3. Indicate two maintenance practices on tool H. (1mk)

SECTION C
Answer any two questions(40mks.)

  1.    
    1. Outline six advantages of artificial insemination in dairy cattle management. (6mks)
    2. Explain seven factors to consider when selecting materials for constructing a calf pen. (14mks)
  2.      
    1. Describe the importance of livestock in the farm. (10mks)
    2. Outline five signs of ill health in livestock. (5mks)
    3. List any five desirable features of rabbit hatch. (5mks)
  3.     
    1. Describe the management practices that should be carried out during rearing of a dairy calf from birth to weaning. (12mks)
    2. State eight causes of calving internal. (8mks)

MARKING SCHEME

SECTION A (30MKS)

  1. Advantages of artificial incubation of eggs.
    • Requires skilled labor.
    • High labour requirement.
  2. Four desirable artificial of a good ewe for breeding.
    • Fast growth rate.
    • Good mothering ability.
    • High fertility.
    • Good quality products 4×1/2mks=2mks.
  3.  What is progeny testing as used in relation to livestock
    • Selection of male animal based on performance of the daughter. (1mk)
  4. Two reasons for clocking sheep.
    • To enable fat distribution.
    • To make mating easy. (1mk)
  5. Dual purpose breeds of cattle.
    • Sahiwal
    • Shorthorn
    • Redpoll
    • Simental
  6. Give 2 reasons for culling in cattle production (1mk)
    • Poor health
    • Age production
    • Poor mothering ability
    • Hereditary defects
    • Physical deformity
    • infertility
  7. Two types of tick that attack livestock.
    • Soft tick.
    • Hard tick.
  8. Give three causes of nutritional diseases.
    • Lack of essential nutrients
    • Feeling certain feeds at the wrong.
    • Stage of growth.
    • Feeding poor quality feeds.
  9. Two characteristics of the bacteria in camel. (1mk)
    • Has two humps
    • Has more fur coverage
      Yields about 5 – 12 kg of fur
  10. Two types of dead fences.
    • Wire fence.
    • Barbed wire fence.
  11.    
    1. Give three factors to be considered when siting o poultry house. (1 ½ mks)
      • Accessibility
      • Topography
      • Security 3× ½ =1 ½ mks
    2. Define the term breeding.
      • It’s the rearing of day old chick.
    3. Two brooding methods in poultry. (2mks)
      • Artificial brooding
      • Natural brooding
  12.       
    1. Define pre-disposing factors
      • These are factors inside or outside the body of an animal that makes an animal susceptible to diseases or injury.
    2. Pre-disposing factors for white sours
      • Unhygienic conditions.
      • Dampness
      • Poor feeding practices
      • Overcrowding.
  13. Four symptoms of internal parasites in livestock.
    • Anemia
    • Pot belly
    • Digestive upset
      4× ½ =2MKS
  14. Two uses of foot bath in a cattle dip.
    • To wash the foot off mad.
    • Holds the chemical to control foot rot. (Blue vitro) 2× ½ =1mk
  15. Five signs of fowowing in sows. (2 ½ mks)
    • Rest cessness.
    • Loss of appetiteUnder and teats become enlarged’
    • Vulva becomes enlarged.
    • Sow prepares a fowowing nest 5× ½ =2 ½ mks
  16.             
    • Apiculture this is rearing of bees in bee hive for honey and bee wax.
    • Aquaculture this is rearing of fish in fishponds.

SECTION B (20MKS) Answer all the questions.

    1. Kenya top bar hive (K.T.B) 1×1=1MK
    2. Other types of hives.
      • Box hive
      • Log hive
      • Long stroth 2× ½ =1mk
    3. Name the parts.
      • F-Top hay
      • g- Wire loop
      • h- Entrance
  1.    
    1. Define digestibility
      • Portion of food retained in an animal’s body after taking care of the losses through gases.
      • Drawing
        Amount of maize
        28/35 ×100=80kg 1×1mk.
        Soya bean
        7/35 ×100= 20kg 1×1 mk
  2.       
    1. Name the parts
      • K ovum
      • L uterus (womb)
    2. Uses of the parts.
      • M where fertilization takes place.
      • N produces female hormones that control sex cycles.
  3. Cultural methods of controlling ticks.
    • Burning infested pasture.
    • Hand picking
    • Fencing pasture land
    • Ploughing of infected pasture. 4× ½ =2mks)
  4.     
    1. Identify the tools
      • F Keyhole /compass saw
      • G Plumb bob
      • H Strip cup
      • I Rake 4× ½ =2mks
    2.  Function of the tools
      • F –FOR MAKING SMALL HOLES IN WOOD WORK
      • G –To check vertical straightness of walls.
      • H – To check for any abnormality in milk (washing)
      • I - Removing trash in the nursery. 4× ½ =2mks
    3. Maintenance practices of tool H
      • Clean after use
      • Disinfect after use 2× ½ =1mk

SECTION C.
answer any two questions.

  1.    
    1. Advantages of artificial in terminations.
      • Easy to control breeding.
      • Control of breeding diseases and parasites.
      • Prevent large bulls from injuring small bulls.
      • Semen from one bull can solve many animals.Semen from sires that are unable to serve due to heavy weight, injury of after death can be used to serve cows.
      • Cost of serving cows is very low compared with keeping a bull.6×1=6MKS
    2. Factors to consider when selecting materials for constructing a calf pen.
      • Quality of material
      • Cost of material
      • Availability of materials
      • Availability for capital
      • Skills required in using the materials
      • Type of pen to construct i.e. temporally or permanent
      • Environmental factors e.g. climate
      • Material e.g. white wash
      • Safety of the calf
      • Design of the calfpen 7×2=14mks
  2.        
    1. Importance of livestock in the farm.
      • Animals are source of food to human.
      • Animal are source of income
      • Some animals are used for provision of labor for both antivation and transport.
      • Some animals are used recreational antivirus such as bull and cock fighting.
      • Some of livestock are used to increase in the utilization of inhabitable guas.
      • Livestock provide some raw materials required in the industries such as wool, fur and hair.
      • Livestock is a sigh of wealth and prestige to some communities.
      • Traditionally chicken is used to wake up people early in the mourning when crowning.
      • Livestock are used for offering sacrifices. 10×1=10mks
    2. Outline five sighs of ill-health in livestock’
      • Abnormal discharge from their urinary system which is either bloody o
      • pussy urine.
      • Production of hard or watery dung than normal’
      • Reduced appetite.
      • Rise in body temperature.
      • Animal may show starring coat/rough coat.
      • Increased or decreased heart beat.
      • Animal produce tears uncontrollably. (Lacrmimation)
      • May loose hair incase of skin diseases. 5×1=5MKS
    3. Describe features of a rabbit hutch.
      • Spacious
      • Well ventilated
      • Drought free
      • Well lit
      • Clean 5×1=5mks
  3.    
    1. Management practices carried out during rearing of a dairy calf pen from birth to weaning.
      • Feed calf with colostrums within 6hrs.
      • Orphaned calves should get whostrums from foster mother or given artificial colostrums.
      • Separate calf from mother immediately it’s born or kept in a pen.
      • Train calf to drink milk from bucket
      • Feed calf whole milk and later on skim milk.
      • Feed calves 3 times per day.
      • Supply plenty of water.
      • House and protect it from adverse environmental condition
      • Keep the floor of the pen dry and warm.
      • Pen should have adequate space.
      • Spray calves against diseases.
      • Reworm calves to control internal parasite.
      • Vaccinate against diseases.
      • Identify at an appropriate age.
      • After 4th week reduce milk gradually.
      • Introduce concentrates gradually from the fourth week
      • Wean calves at age of four months. 12×1=12mks
    2. State eight causes of long calving internal.
      • Poor health
      • Poor nutritional
      • Poor selection
      • Incorrect time of service.
      • Irregular heat signs.
      • High milk production
      • Type of breed.
      • Poor breeding methods. 8×1=8MKS

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