Agriculture Paper 2 Questions and Answers - Asumbi Girls Pre Mock Examinations 2023

INSTRUCTIONS TO CANDIDATES:

• This paper consists of three sections A, B and C.
• Answer all the questions in section A and B.
• Answer any two questions in section C.
• Candidates should answer all the questions in English.

For Examiner’s Use Only:

QUESTIONS

SECTION A (30 Marks)
Answer ALL the questions in this section.

1. Name four breeds of rabbits. (2marks)
2. List four functions of the rumen in the digestion of feed in Ruminant animal (2marks)
3. State two reasons why drenching is not an effective method of internal parasite control. (IMC) (1mark)
4. Give the functional difference between a cross-cut saw and a rip saw. (1mark)
5. State two functions of a queen in a colony (1mark)
6. Give two reasons why rabbit hutches should be raised above the ground level.(1mark)
7. State four disadvantages of natural mating as a method of breeding in dairy cattle. (2marks)
8. Name four disorders in livestock caused by the lack of mineral nutrients. (2marks)
9. Name the type of hammer that one would require for the following operations.
   1. Striking cold chisel. ( ½ mark)
   2. Driving and removing nails in wood. ( ½ mark)
   3. Striking wooden chisels. ( ½ mark)
   4. Breaking stones for masonry work. ( ½ marks)
10. State four ways in which animal utilizes a production ration. (2marks)
11. State four observable features of an indigenous cattle (2marks)
12.                        
    1. Name two forms in which tapeworms are found in livestock (1mark)
    2. State four non-chemical control measures of ticks on the farm (2marks)
13. State two reasons why young rams should be docked (1mark)
14. State four ways of restraining cattle during routine management (2marks)
15. Give four features of housing that help to control livestock diseases. (2marks)
16. State two functions of crop in the digestive system of chicken (1mark)
17. Give four characteristics of a good site for fish pond (2marks)
18. Give the meaning of the following terms used in livestock as used in livestock Production. (1 ½ marks) 

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

19. Below is a diagram of a farm structure for storing grains. Study it carefully and answer questions that follow
    
    
    1. Identify the farm structure above (1mark)
    2. State the function of the part marked M (1mark)
    3. Give two maintenance practical that should be carried out on the farm structure illustrated in readings for grain storage. (2marks)
    4. A part from the structure illustrated above, name two other structures used to store grains by NCBP. (1mark)
20. Study the illustration below and answer the questions that follow.
    
    
    1. Which diagram represent the normal presentation of calf at birth?
    2. What term is used to refer to position shown in diagram B?
    3. State three signs of parturition in cattle (3marks)
21. The illustration below represents a sheep with parts marked E, and G. study it and answer the questions that follow.
    
    
    1.                            
       1. State the operation carried out on the parts labeled F and G.
          F ( 1mark)
          G(1mark)
       2. Name the tool used to carry out the operation on the part G. (1 mark)
       3. Give two reasons for each operation carried out on the part labeled.
          F (1mark)
          G. (1mark)
22.                        
    1. A 300kg pig ration containing 20% crude protein was to be made from wheat bran (3% crude protein) and cotton seed cake ( 24% crude protein). Using the peasons square method, calculate the amount of each feed stuff that is needed to prepare the ration. (5marks) 

SECTION C (40 Marks)
Answer any two questions in this section.

23.                        
    1. Discuss eight general methods of disease control. (8marks)
    2. Describe the procedure of processing honey using heat method. (7marks)
    3. Give six factors considered when selecting an helfer for breeding. (5marks)
24.                          
    1. Describe the life cycle of a two-host tick. (5marks)
    2. State six functions of water in an animal body. (6marks)
    3. Outline five importance of farm building. (5marks)
    4. Give four signs of heat in a doe. (4marks)
25.                                    
    1. State four reasons for dehorning in cattle. (4marks)
    2. Describe the procedure of egg formation in poultry. (10marks)
    3. Outline six advantages of live fences. (6marks)

MARKING SCHEME

1. Name four breeds of rabbits. (2marks)
   • Flemish giant
   • New Zealand white / Kenya white
   • Chinchilla
   • Earlop
   • Colifornia white
   • Rex
   • Angora
     ( ½ x 4 = 2mks)
2. List four functions of the rumen in the digestion of feed in Ruminant animal (2marks)
   • Temporary storage of feed
   • Action of microbial activities
   • Synthesis of vitamin B complex
   • Churns the food and mixes it with digestive enzymes.
   • It absorb products of microbial digestion e.g volatile fatty acids and ammonia.
     ( ½ x 4 = 2mks)
3. State two reasons why drenching is not an effective method of internal parasite control. (IMC)
   • It does not eradicate other stages of development.
   • Does not destroy intermediate host
   • It does not destroy parasites in pasture water and storage.
     ( ½ x 2 = 1mk)
4. Give the functional difference between a cross-cut saw and a rip saw (1mark)
   • Cross cut saw a cross the wood grains while the rip saw cuts along the wood grain
     (1x1 = 1 – mark as a whole)
5. State two functions of a queen in a colony (1mark)
   • Lay eggs
   • Keep the colony together by producing a hormone pherumones.
     ( ½ x 2 =1mk)
6. Give two reasons why rabbit hutches should be raised above the ground level. (1mark)
   • Hasten deifying of the buddy allow chopping
   • Ensure security from attack by animals like dogs.
   • Avoid attack by crawling insects e.g safari ants.
     ( ½ x 2 = 1mk)
7. State four disadvantages of natural mating as a method of breeding in dairy cattle. (2marks)
   • It causes inbreeding / premature / uncontrolled breeding
   • Risk of transmission of breed diseases
   • Expensive / uneconomical to keep a bull
   • Aggressive of heave bulb may cause physical injury to a cow on attendant.
   • Only a limited number of cows can be mated by one bull within a given period of time.
   • Expensive to transport bull from one area to another.
     ( ½ x 4 = 2mks)
8. Name four disorders in livestock caused by the lack of mineral nutrients (2marks)
   • Milk fever
   • Anaemia
   • Goch
   • Osteomalacia
   • Bovine ketosin
   • Canled toe paralysis
   • Swayback / enzoolic ataxia
     ( ½ x 4 = 2mks)
9. Name the type of hammer that would me guise for the following operations (2marks)
   1. Striking cold chisels (1/2 mark)
      • Ball pein hammer
   2. Driving and removing chisels (1/2 mark)
      • Draw hammer
   3. striking wooden chisels (1/2 mark)
      • allet
   4. breaking stones for masonry work (1/2 mark)
      • sledge hammer
10. State four ways in which animal utilizes a production ration (2marks)
    • For synthesis of products such as milk and fat for fattening
    • For reproduction / mating
    • For foetal development
    • For growth in case of young animals
    • For daily work activities like plough
      ( ½ x 4 = 2mks)
11. State four observable features of an indigenous cattle (2marks)
    • Have hump
    • Head is long and narrow
    • Have lose skin prim folds
    • Dewlap, umbilical fold brisket are extensively developed
    • Baccine is high at the shoulder and pin bones and sloping down over the tail bud.
    • Small rounded udder
    • Long legs
      ( ½ x 4 = 2mks)
12.                    
    1. Name two forms in which tapeworms are found in livestock (1mark)
       • Embryo / infective lava
       • Cysts / bladder worms/ cyslicercus larvae
         ( ½ x 2 = 1mk)
    2. State four non-chemical control measures of ticks on the farm (2marks)
       • Hand – pickoy and killing
       • Burning heavily infesled pasures
       • Ploughi heavey infested pastures
       • Rotational grazing
       • Double lenny of pasture land
       • Use of birds to predate on ticks / biological
       • Self-ticking to dislodge the ticks / natural
         ( ½ x 4 = 2mks)
13. State two reasons why young rams should be docked (1mark)
    • Allow even distribution of the fat in the body
    • To prevent accumulation of dirt this would encourage blowfly infestation.
      ( ½ x 2 = 1mk)
14. State four ways of restraining cattle during routine management (2marks)
    • Use of hacters
    • Use of leadstick and bullring
    • Use of crash
    • Use of head yoke
      ( ½ x 4 = 2mks)
15. Give four features of housing that help to control livestock diseases. (2marks)
    • Well ventilated
    • Well lie
    • Free from draught
    • Spacious
    • Leak proof
      ( ½ x 4 = 2mks)
16. State two functions of crop in the digestive system of chicken (1mark)
    • Softening / moistening of the food
    • Storage of food temporary
      ( ½ x 2 = 1mk)
17. Give four characteristics of a good site for fish pond (2marks)
    • Slope of land should be gntle sloping
    • Reliable water source
    • Free from cracks / anthills
    • Soil should be free from gravels
    • Preferable clay soils
      ( ½ x 4 = 2mks)
18. Give the meaning of the following terms used in livestock Production. (11/2 mark)
    1. Chick
       • Newly hatched birds from one day to eight weeks
    2. Flushing
       • Feeding of females with high quality feed 2-3 weeks before mating and 2-3 weeks after mating