2020 Nabteb SSCE Agric Practical Answers
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(1ai)
(i) Nitrogen
(ii) Potassium
(iii) Phosphorus
(1aii)
(i) Broadcasting method
(ii) Ring method
(iii) Side Placement
(iv) Top dressing
(v) Folial Spray
(1b)
agricultural Uses of Specimen F
(Pick any 3)
(i) It helps to improve soil structure
(ii) It helps to reduce toxicity of the soil
(iii) It increases the activities of the soil Organisms
(iv) It makes nutrients readily available for tissue development
(v) It increases the availability of phosphorus and molybdenum ions
(vi) It serves as additional sources of calcium for bone development in fish
Agricultural Uses of Specimen G
(Pick any 3)
(i) It is a source of calcium
(ii) It helps to reduce the turbidity in fish pond
(iii) It increases the availability of Carbonate to plants
(iv) It helps to improve soil fertility
(v) It improves the activities of soil Organisms
(1c)
(i) It helps to supply nutrients to the soil
(ii) It improves the texture and structure of the soil
(iii) It improves water conservation in the soil
(iv) It regulates the temperature fluctuation in the soil
(v) It helps to prevent erosion
(vi) It has buffering effect on the soil
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(2ai)
Specimen I
(i) It is used for carrying farm inputs
(ii) It is used for transplanting seedlings
(iii) It is used for carrying materials to the market
(iv) It is used for carrying farm outputs
Specimen J
(i) It is used for sharpening blades of farm tools
(ii) It is used for smoothening rough surfaces of farm implements
(iii) It is used to repair blunt part of farm tools
(2aii)
(i) Keep in a cool dry place
(ii) Grease or oil metal parts before storage for a very long time
(iii) Clean after used
(2bi)
Specimen K is from Elaeis guineensis
Specimen L is from Gossypium spp
(2bii)
Traditional method of producing Specimen K
(i) The fruits are boiled
(ii) It is then pounded in a mortar
(iii) The fibers and nuts are removed
(iv) The oil is separated from the residue by floatation After mixing with water
(v) The crude liquid is reboiled
(vi) The oil is then carefully separated
(vii) The oil is later re-heated to eliminate any trace of water
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(3ai)
(i) It forms galls on the crop leaves
(ii) It causes Stunted Growth
(iii) It is a vector of diseases e.g Rosette
(iv) It reduces yield
(3aii)
(Pick any 2)
(i) Spray with insecticide
(ii) uproot and burn infected plant
(iii) Crop rotation
(iv) Early Harvesting
(3bi)
(i) It improves soil development
(ii) It increases the nitrogen level of the soil
(iii) It helps to increase water holding capacity of the soil
(iv) It adds organic matter to the soil
(v) It helps to reduce leaching of the soil nutrient
(3bii)
(i) Pod borers
(ii) Bean beetle
(iii) Leaf Hoppers
(3c)
(Pick any 5)
(i) It is a source of vitamins
(ii) It is an ingredient in livestock feeds
(iii) It is used for producing Chips
(iv) It is used for producing coconut oil
(v) It serves as income to the farmers
(vi) The epicarp supplies nutrients to the soil
(vii) It is a source of Natural Milk
(3d)
Specimen N is from Vigna Unguiculata
Specimen O is from Cocos nucifera
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(4ai)
(Pick any 3)
(i) White Leghorn
(ii) Brown Leghorn
(iii) Rhode Island Red
(iv) Plymouth Rock
(v) New Hampshire
(4aii)
(Pick any 4)
(i) It enhances the nutritional value of other food
(ii) It is a source of protein
(iii) It is used as a raising agent
(iv) It is used for controlling crystallization
(v) It is an emulsifying agent
(vi) It is used for binding and coating substances
(vii) It is used for Glazing and sealing processes
(4bi)
(Pick any 2)
(i) Use of fishing net
(ii) The use of trapping method
(iii) The use of electro-Fishing method
(iv) Draining of ponds
(v) Use of ultrasonic
(vi) The use of impaling
(4bii)
(i) Fish roe
(ii) Fish emulsion
(iii) Sea food
(iv) Caviar
(v) Fish meal
(4bii)
(Pick any 4)
(i) Canning
(ii) Freezing method
(iii) Sun drying
(iv) Salting method
(v) Smoking method
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