2019 NECO AGRICULTURAL SCIENCE PRACTICAL EXPO/RUNZ QUESTIONS AND ANSWERS

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2019 NECO EXPO/RUNZ | 2019 NECO QUESTIONS AND ANSWERS | 2019-2020 NECO RUNS |

  • NECO 2019 – AGRIC PRACTICAL ANSWERS

    Exam Time: Tuesday 11th June
    2061 Paper I: Practical – Agricultural Science 1hr 30mins 10:00am – 11:30am
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    (1a)
    SPECIMEN A – Knapsack sprayer
    SPECIMEN B – Hand fork
    SPECIMEN C – Head pan
    SPECIMEN D – Ranging pole

    (1b)
    (i) To get rid of leftover chemicals
    (ii) To aid the easy flowing of the chemicals from the nozzle
    (iii) To prevent it from rusting

    (1c)
    (i) Pulverizing the soil
    (ii) Aerating the surface of the soil
    (iii) Transplanting of seedlings

    (1d)
    (i) Metal surface
    (ii) Metal handle
    (iii) Hollow surface for loading

    (1e)
    (i) Store in a cool dry place
    (ii) Clean thoroughly after use

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    (2a)
    E-It is a wood ash
    F-It is a urea fertilizer

    (2b)
    E-Lime material/potash
    F-Nitrogen

    (2c)
    Specimen E
    (i)Lime
    (ii)Quick lime
    (iii)Potassium

    Specimen F
    (i)N.P.K fertilizer
    (ii)Nitrate fertilizer
    (iii)Manure

    (2d)
    (i)It is used to improve sandy soil
    (ii)It is used to reduce or neutralize soil acidity

    (2e)
    (i)It may increase soil acidity
    (ii)It can cause damage to plant
    (iii)It can increase soil salinity

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    (3a)
    SPECIMEN G – Cowpea seeds
    SPECIMEN H – Banana fruit

    (3b)
    Grain weevils

    (3c)
    G – Leguminous crop
    H – Fruit

    (3d)
    G – Sexual propagation
    H – Asexual propagation

    (3e)
    Specimen G
    (i) Vigna unguiculata
    (ii) Cercospora leaf spot

    Specimen H
    (i) mycosphaerella leaf spot
    (ii) Black sigatoka

    (3d)
    Specimen G
    (i) Drying
    (ii) Storing

    Specimen H
    (i) Packing
    (ii) Storing

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    (4a)
    I-Poultry droppings
    J-Tilapia fish

    (4b)
    (i)It can cause algae boom
    (ii)It prevents the penetration of lights into the water body
    (iii)It can reduce the oxygen content
    (iv)It causes pollution of the water body

    (4c)
    (i)It can increase the soil nutrients/organisms
    (ii)It is used to feed livestocks eg cattles
    (iii)It is used to replenish lost soil nutrients

    (4d)
    (i)Improper refuse/sewage disposal
    (ii)Dumping of contaminated items

    (4e)
    (i)Source of food to the farm animals
    (ii)It improves soil nutrients
    (iii)For production of fertilizers

    (4f)
    (i)Regular changing of water
    (ii)Regular sanitation
    (iii)Avoidance of feeding the fishes with high proteinous feeds
    (iv)Regular/Early harvesting

    (4g)
    (i)Smoking
    (ii)Salting
    (iii)Drying
    (iv)Refrigerating

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