AGRIC SCIENCE PRACTICAL ANSWERS
SPECIMEN A – Watering Can
SPECIMEN B – Plier
SPECIMEN C – Knapsack sprayer
Specimen A(watering can), is typically operated manually by pouring water from the container onto plants or soil WHILE Specimen C(the knapsack sprayer), is a portable device designed to spray liquid substances such as water, pesticides, or fertilizers over larger areas.
(i) It is used in gardening and horticulture to hydrate indoor and outdoor plants, flowers, and vegetables.
(ii) Its spout allows for precise pouring, making it convenient for targeted cleaning activities.
(i) It is used to grip and hold objects securely.
(ii) It is used to bend and shape wires, sheet metal, or other malleable materials.
(i) Wear appropriate protective clothing to protect the skin and eyes from direct contact with chemicals or sprays.
(ii) Ensure the sprayer is properly calibrated to deliver the desired amount of spray
(iii) Use proper measuring tools and equipment, and avoid direct contact with the concentrated chemicals.
(iv) Do not smoke or eat while using the sprayer to prevent accidental ingestion of chemicals.
(i) Well-maintained farm tools operate at their peak performance, allowing for efficient and productive work.
(ii) Proper maintenance helps extend the lifespan of the equipment, maximizing its value.
– SPECIMEN D: Litmus Paper
– SPECIMEN E: Cow Dung
– SPECIMEN F: Limestone
– SPECIMEN G: Clayey Soil (Powdery Form)
(i) Step 1: Collect a small sample of the clayey soil
(ii) Step 2: Test the soil sample with litmus paper
(i) Cow dung is rich in organic matter and acts as a natural fertilizer when applied to the soil.
(ii) It enhances the soil’s ability to retain moisture, preventing water runoff and erosion.
(iii) It is a natural source of beneficial microbes and microorganisms
(i) Limestone can help improve soil structure, especially in clayey soils.
(ii) It used to adjust soil pH levels there creating a more favorable environment for plant growth and nutrient availability.
(ii) It contains essential nutrients like calcium and magnesium, which are beneficial for plant growth.
SPECIMEN H: Yam Tuber
SPECIMEN I: Cassava Tuber
SPECIMEN J: Orange Fruit
(i) Cassava Brown Streak Disease (CBSD)
(ii) Cassava Mosaic
(i) Cassava starch
(ii) Cassava flour
(ii) Sweet potato
(ii) Weed control
(i) Citrus Whitefly (Dialeurodes citri)
(ii) Citrus Leafminer (Phyllocnistis citrella)
– SPECIMEN K: Groundnut Cake
– SPECIMEN L: Hides and Skin
– SPECIMEN M: Digestive Tract Of A Bird
(i) Revenue Generation
(ii) Diversification of Income
(iii) Value Addition and Employment Opportunities
(i) It contains a relatively high percentage of crude protein, making it a valuable feed ingredient
(ii) It helps to achieve a balanced diet for animals possessing the digestive tract of a bird
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