2024 Waec Agric practical Specimen question and Answers.
Summary
TLDRThe video script is an educational guide aimed at students preparing for an Agricultural Science practical exam, specifically for the West African Senior School Certificate Examination (WASSCE) in 2024. The speaker emphasizes the importance of taking notes and sharing the video with peers. The guide covers various surveying tools such as ranging poles, arrows, and measuring tapes, explaining their functions and maintenance. It also delves into the identification and impact of different pests on crops, including maize weevils, bean beetles, grasshoppers, and cotton stainers, along with their control methods. Additionally, the script touches on the uses and benefits of hay and the process of making fish meal from fresh tilapia fish, highlighting its nutritional content and applications in agriculture.
Takeaways
- π Pay close attention and take notes as the video covers essential information for an upcoming exam on Agricultural Science.
- π Remember the exam date, which is on the 14th of May, 2024, and prepare accordingly.
- π‘ Don't miss any part of the video as it may lead to missing crucial steps or information for the exam.
- π The video provides a detailed explanation of various surveying tools such as ranging poles, arrows, and measuring tapes, including their uses and maintenance.
- π Learn about different types of insects like maize weevil, bean beetle, grasshopper, and cotton stainer, their feeding patterns, and their impact on agriculture.
- πΎ Understand the effects of insect pests on agriculture, which include reduced crop viability, damage to stored grains, decreased market value, increased production costs, and potential for crop diseases.
- π οΈ Know the methods of controlling pests, such as chemical control, cultural practices, early planting and harvesting, crop rotation, planting resistant crops, and mechanical control like handpicking.
- π Familiarize yourself with the characteristics and harvesting methods of tilapia fish, as well as the products that can be made from it, such as fish meal.
- π± Learn about the uses of hay as a versatile agricultural product for roofing, animal bedding, soil protection, and more.
- π² Understand the process of making fish meal, which involves cooking, pressing, drying, grinding, and packaging.
- β Be prepared to answer questions about the nutrient content of fish meal, which includes protein, fats, and oils.
Q & A
What is the primary purpose of a ranging pole?
-A ranging pole is a simple tool used in surveying land to measure elevation and distance, often used in combination with other survey instruments like a theodolite.
Why are ranging poles typically painted red and white?
-Ranging poles are painted red and white to make them easily visible from a distance, which is crucial for their use in marking positions of stations during surveying.
What is the main use of an Arrow in surveying?
-An Arrow is a metallic, long-handled simple tool used for surveying during the counting of chain lengths when measuring chain lines.
What are the common maintenance practices for survey instruments?
-Survey instruments should be washed and stored in a cool, dry place, checked regularly for any damaged parts, lubricated after use (especially metallic parts), and used only for the purpose they were made.
What type of insect is a maize weevil?
-A maize weevil is a boring insect, characterized by a pointed mouthpart that allows it to bore into grains.
How do grasshoppers feed on plants?
-Grasshoppers are biting and chewing insects, using their mandibles and maxillae to bite and chew plant parts.
What are some effects of insect pests on agriculture?
-Insects can reduce crop viability, damage stored grains, lower the market value of plant produce, increase the cost of production for controlling them, potentially spread plant or crop diseases, and result in economic loss for farmers.
What are some methods to control insect pests in agriculture?
-Control methods include chemical control using insecticides, cultural practices like early planting and harvesting, crop rotation, planting resistant crops, destroying or burning infected crops, mechanical control like hand-picking, and proper storage of grains.
What are some uses of hay?
-Hay can be used as a roofing material, for bedding and nesting areas for animals, to cover up mud patches, to cover newly planted crops in nurseries, for mulching to prevent water loss from soil, to create walkways in farms, and for mat making when processed.
How is fish meal produced?
-Fish meal is produced through a process that includes cooking the fish to kill bacteria and denature enzymes, pressing to remove oil and water, drying under the sun or a heater, grinding into a fine powder, and packaging for storage and use.
What are the main nutrient contents of fish meal?
-Fish meal is rich in protein, fats, and oils, making it a valuable source of nutrients for feeding farm animals.
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