AGRIC. SCIENCE PRACTICAL
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NECO-AGRIC. SCIENCE PRACTICAL-2021-ANSWERS
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(1a)
Specimen A - Measuring Tape.
Specimen B - Gunter's Chain.
Specimen C - Ranging Pole.
Specimen D - Peg.
(1b)
(i) Make sure the chain is not faulty before use.
(ii) Avoid error of parallax when reading measurements.
(iii) All chains, tapes, ropes e.t.c. must be properly alligned before taking measurements.
(1c)
(Specimen A)
(i) It is used in taking detailed measurements.
(ii) It is used for taking the length, breadth and height of a farmland.
(Specimen C)
(i) It is used for marking stations.
(ii) It is also used for making straight lines.
(Specimen D)
(i) It is used during chaining for marking off chain lengths as measured.
(ii) It is also used for marking stations.
(1d)
(i) The diameter of C is more than that if D.
(ii) C is longer than D.
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(2a)
Specimen E - Sandy Soil.
Specimen F - Urea Fertilizer.
(2b)
(i) Sandy Soil is coarse, grained and gritty.
(ii) It is brownish in colour.
(2c)
(i) By Planting Cover Crops.
(ii) Application Of Compost Manure.
(iii) Mulching the soil.
(2d)
(i) By Broadcasting.
(ii) Folial Spray.
(2e)
(i) It reduces the activities of soil micro organisms.
(ii) It causes reduced growth/yield of crops.
(2f)
0.02mm - 2.0mm.
(2g)
(i) Do not apply F in excess to avoid increasing the acidity of the soil.
(ii) Do not use in excess so as not to affect the activities of soil organism.
(iii) Carefully use F on E to avoid the increasing the toxicity of E.
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(3a)
Specimen G - Paddy Rice.
Specimen H - Cassava Tuber.
Specimen I - Palm Fruit.
(3b)
(Specimen G)
(i) Sun Drying.
(ii) Threshing.
(iii) Winnowing.
(Specimen H)
(i) Peeling.
(ii) Soaking.
(iii) Fermentation.
(Specimen I)
(i) Sterilization.
(ii) Pounding.
(iii) Grinding/Threshing.
(3c)
(i) Weeding.
(ii) Fertilizer Application.
(iii) Pest and Diseases(Removing).
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(4a)
Specimen J - Fresh Milk.
Specimen K - Eggs.
Specimen L - Hides and Skin.
(4b)
(i) Prepare a proper milking area/Ensure the surroundings is kept tidy.
(ii) Equipment must be properly.
(4c)
(i) Holstein/Friesian.
(ii) South Devon.
(4d)
(i) Temperature.
(ii) Relative Humidity.
(iii) Ventilation (Air Flow).
(iv) Egg Turning.
(4e)
(i) Dehaired.
(ii) Degreased.
(iii) Desalted.
(4f)
(i) Protein.
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