Agriculture Questions and Answers - Form 2 End Term 2 Exams 2022

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QUESTIONS

  1. State four systems of farming. (2mks)
  2. State two effects of HIV/AIDS on agricultural production. (2mks)
  3. List four physical agents of weathering. (2mks)
  4. List four factors influencing soil formation. (2mks)
  5. Name two types of water pumps. (2mks)
  6. Mention two tertiary operations carried out during land preparation. (1mk)
  7. Outline four characteristics of a fertile soil. (2mks)
  8. Give two characteristics of plant used for preparing green manure. (2mks)
  9. Differentiate between a root stock and a scion as used in grafting. (2mks)
  10. Name two forms in which nitrogen is absorbed by plants. (2mks)
  11. State two deficiency symptoms of Nitrogen. (2mks)
  12. List four examples of phosphatic fertilizers. (2mks)
  13. A farmer was asked to apply fertilizers as follow: 200 kg/ha of DSP (40% P2O5), 150kg/ha of sulphate of ammonia 20% Nitrogen and 150kg/ha of Muriate of Potash 60% K2O)
    1. How much P2O5 did the farmer apply per ha. (2mks)
    2. How much K2O did the farmer apply per ha. (2mks)
    3. How much nitrogen did the farmer apply per/ha. (2mks)
  14. State two methods of pH testing. (2mks)
  15. Outline four disadvantages of mulching in crop production. (2mks)
  16. List 3 factors that determine the time of harvesting farm produce. (3mks)
  17. State four post harvesting practices. (2mks)
  18. The diagram below shows a type of storage facility. Use it to answer question that follow.
    18 auygdada
    1. Name the structure. (1mk)
    2. Name part L and state its function. (2mks)
    3. Name the roofing material the structure is made of: (1mk)
    4. List three limitations of the above structure. (3mks)
    5. Give two preparations that the farmer should make on the above structure before the crop produce is brought in. (2mks)
  19. Give four categories of vegetables. (2mks)
  20. The diagram below represents a pest that attacks tomatoes.
    20 auygdada
    1. Identify the pest. (1mk)
    2. State two control measures of the above pest. (2mks)
  21.                            
    1. Differentiate between health and disease as used in livestock health. (2mks)
    2. State four factors that predispose livestock to diseases. (4mks)
    3. Outline 3 routine management practices of disease control. (3mks)
    4. State three activities in livestock health that necessitate handling of animals. (3mks)
  22.                                        
    1. List two harmful effects of tsetsefly infestation to livestock. (2mks)
    2. Name:
      1. Intermediate host for tapeworm. (1mk)
      2. Intermediate host for liverfluke. (1mk)
    3. Give two examples of one host tick. (2mks)


MARKING SCHEME:

  1. State four systems of farming. (2mks)
    • Intensive
    • Extensive
    • Large scale
    • Small scale
  2. State two effects of HIV/AIDS on agricultural production. (2mks)
    • Shortage of farm labour
    • Loss of family support
    • Low living standards.
    • Increased criminal activities.
    • More time is spent by NGOs and government in caring the sick.
  3. List four physical agents of weathering. (2mks)
    • Wind
    • Water
    • Moving ice
    • Temperature
  4. List four factors influencing soil formation. (2mks)
    • Climate
    • Biotic factors
    • Time
    • Parent material
    • Topography
  5. Name two types of water pumps. (2mks)
    • Centrifugal
    • Piston/ reciprocating
    • Semi-rotary
    • Hydram
  6. Mention two tertiary operations carried out during land preparation. (1mk)
    • Ridging
    • Rolling
    • Leveling
  7. Outline four characteristics of a fertile soil. (2mks)
    • Good depth
    • Good aeration
    • Good water holding capacity
    • Proper drainage
    • Correct soil pH
    • Adequate nutrient supply
    • Free from soil borne pests and diseases.
  8. Give two characteristics of plant used for preparing green manure. (2mks)
    1. Fast growth rate
    2. Have a high nitrogen content
    3. Capable of rotting quickly
    4. Leafy / highly vegetation.
    5. Hardy/ capable of growing in poor condition.
  9. Differentiate between a root stock and a scion as used in grafting. (2mks)
    • Root stock – a part of a plant bearing roots used in grafting while
    • a scion - is a part bearing a bud which is grafted onto the root stock.
  10. Name two forms in which nitrogen is absorbed by plants. (2mks)
    • Nitrate ion / NO3-
    • Ammonium ions / NH4+
  11. State two deficiency symptoms of Nitrogen. (2mks)
    • Leaf chlorosis / yellowing
    • Stunted growth
    • Premature ripening
    • Premature leaf fall.
    • Light seeds.
  12. List four examples of phosphatic fertilizers. (2mks)
    • Single super phosphate
    • Double duper phosphate
    • Triple super phosphate
    • Diammonium phosphate
  13. A farmer was asked to apply fertilizers as follow: 200 kg/ha of DSP (40% P2O5), 150kg/ha of sulphate of ammonia 20% Nitrogen and 150kg/ha of Muriate of Potash 60% K2O)
    1. How much P2O5 did the farmer apply per ha. (2mks)
      • (40%)/(100%)×200kg=80kg/ha P2O5
    2. How much K2O did the farmer apply per ha. (2mks)
      • (60%)/(100%)×150kg=90kg/ha K2O
    3. How much nitrogen did the farmer apply per/ha. (2mks)
      • (20%)/(100%)×150kg=30kg/ha N
  14. State two methods of pH testing. (2mks)
    • Universal indicator solution
    • PH metre
  15. Outline four disadvantages of mulching in crop production. (2mks)
    • It is a fire risk
    • Providing a breeding ground/ hiding place for pests.
    • Obstructs rain drops from reaching the soil.
    • Expensive to acquire, transport and apply.
  16. List 3 factors that determine the time of harvesting farm produce. (3mks)
    • Stage of maturity
    • Use/purpose of the crop
    • Tastes and preferences of consumers
    • Weather conditions.
    • Moisture content in the crop.
  17. State four post harvesting practices. (2mks)
    • Threshing / shelling
    • Drying
    • Cleaning
    • Sorting and grading
    • Dusting
    • Processing
    • Packaging
  18. The diagram below shows a type of storage facility. Use it to answer question that follow.
    1. Name the structure. (1mk)
      • Traditional granary
    2. Name part L and state its function. (2mks)
      • L – Rat proof / rat guard/ rat deflector
      • Function – use to prevent rats from ascending into the store to damage the crop produce.
    3. Name the roofing material the structure is made of: (1mk)
      • Thatch/ Dry grass
    4. List three limitations of the above structure. (3mks)
      • Easily attacked by rats and weevils.
      • Grains can easily rot because the roof is not leak-proof.
      • Limited in size.
      • It is a fire risk.
    5. Give two preparations that the farmer should make on the above structure before the crop produce is brought in. (2mks)
      • Cleaning the store.
      • Preparing broken and worn out parts.
      • Dusting.
      • Clearing vegetation around the store.
  19. Give four categories of vegetables. (2mks)
    • Leafy
    • Fruit
    • Pod
    • Stem
    • Bulb
  20. The diagram below represents a pest that attacks tomatoes.
    1. Identify the pest. (1mk)
      • American bollworm.
    2. State two control measures of the above pest. (2mks)
      • Spraying tomatoes with an appropriate insecticide
      • Crop rotation.
      • Early planting.
      • Planting resistant varieties of tomatoes.
  21.                            
    1. Differentiate between health and disease as used in livestock health. (2mks) 
      • Health – is a state in which all body organs are functioning normally while
      • Disease – is any deviation in the state of an animal’s body which interfers with its normal functioning.
    2. State four factors that predispose livestock to diseases. (4mks)
      • Species of the animal
      • Breed
      • Age
      • Sex
      • Colour
    3. Outline 3 routine management practices of disease control. (3mks)
      • Proper feeding and nutrition.
      • Proper breeding and selection.
      • Proper housing.
      • Proper hygiene.
    4. State three activities in livestock health that necessitate handling of animals. (3mks)
      • Drenching
      • Injection
      • Mastitis control
      • Hand spraying
  22.                      
    1. List two harmful effects of tsetsefly infestation to livestock. (2mks)
      • Transmits trypanosomiasis
      • Sucks blood causing anaemia.
      • Damages the skin causing wounds.
    2. Name:
      1. Intermediate host for tapeworm. (1mk)
        • Cattle/ pigs
      2. Intermediate host for liverfluke. (1mk)
        • Fresh water / mud snail.
    3. Give two examples of one host tick. (2mks)
      • Blue tick
      • Texas fever tick
      • Cattle tick
      • Tropical Horse tick.

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