JAMB UTME - Agricultural Science - 2022

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Ecosystem

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The B-horizon of soil profile is also called the sub-soil.

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The feed that is regularly offered to or consumed by the animal is called a "ration".

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It is very expensive to operate.

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Pulses.

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To abandon the development of rural area.

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Nursery is a special place prepared for raising seedlings which are later taken to the field for planting.

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It can be used to plant seeds.

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in-planting operations

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Moisture is not a necessary step when establishing a fish pond.

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Preservation of fish prevents the following except processing. Preservation methods such as refrigeration, freezing, smoking, canning, and drying are used to prevent spoilage, destruction, and injury of fish. These methods help to maintain the quality and freshness of the fish for a longer period of time. However, processing, such as filleting, skinning, and deboning, is a separate step that is often performed after preservation to prepare the fish for consumption.

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Planting weed is not a basic consideration in planting operations. The other options listed are all important factors to consider when planting, as they can affect the growth and development of the plants. Planting space determines how far apart to plant the seeds or seedlings, which affects how much space the plants will have to grow and how much light, water, and nutrients they will receive. Planting time is important because different plants have different requirements for temperature and moisture, and planting at the wrong time can result in poor growth or even the death of the plants. Planting depth is important because different seeds require different depths to germinate properly, and planting too shallow or too deep can affect the germination rate and the growth of the plants.

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Diffusion.

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None of the above.

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A Tractor is a powerful and expensive multipurpose motor vehicle used for lifting or pulling farm implements.

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Thinning.

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The pig has a digestive system which is classified as monogastric, or nonruminant. Humans also have this type of digestive system. They have one stomach (mono = one, gastric = stomach). The monogastric differs from that of a polygastric, or ruminant, digestive system found in cattle and sheep.

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Metallic pond

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The "red revolution programme" is not an example of agricultural extension.

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mass media

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Harrow

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The type of ration that supplies the animal with just the quantity of nutrients that are enough to enable the animal to carry on with vital body activities without losing or gaining another substance is called the "maintenance ration." A production ration is designed to provide nutrients for specific animal production goals, such as milk production or weight gain. A balanced ration is formulated to provide all the necessary nutrients in appropriate amounts to meet the animal's needs. A measured ration is a ration in which feed ingredients are weighed or measured out in specific amounts to meet the animal's nutrient requirements.

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Agricultural extension is the process which assist farmers through educational procedures in improving farming methods.

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A bulletin

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Five

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Ridger planter.

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Micro-organisms is not an abiotic component of an ecosystem.

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"Reduce the confidence of your audience" is not a principle of agricultural extension.

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The condition that is not necessary for germination is "zero temperature." All seeds require an optimum temperature range for successful germination, which varies among different plant species. While some seeds may require a specific temperature, such as stratification or scarification to overcome dormancy, no seeds can germinate at zero temperature. Therefore, the correct statement is: The following conditions are necessary for germination except zero temperature: - adequate moisture - viable seed - optimum temperature

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A bridge.

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- Dioscorea alata

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Poster.

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Synecology

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Fertilizer.

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The young plants that emerge during germination are called "seedlings".

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Planting of trees.

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The process that is not used in rice processing is fermentation. Threshing is the process of separating the grain from the straw, while winnowing is the process of separating the chaff from the grain. Perboiling involves partially boiling the rice in the husk, which results in increased nutritional value and easier removal of the husk. Fermentation is a process used in the production of certain types of alcoholic beverages and some food products, but it is not a typical step in rice processing.

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The botanical name for maize is Zea mays.

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Poisoning is not a commonly used fishing method and is generally considered unethical and harmful to the environment. The other three techniques, netting, trapping, and hooks and lines, are commonly used methods in fishing.

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Mouldboard plough makes deeper cuts than disc plough