JAMB UTME - Agricultural Science - 2022

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Mouldboard plough makes deeper cuts than disc plough

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High level of literacy among farmers

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Stumping operation involves the use of farm tools like the cutlass, spade, mattock, ax, bull-dozer, etc, to manually or mechanically remove or uproot the base of trees and shrubs. This is done to compose cultivation easier and free from obstruction.

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in-planting operations

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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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The process whereby the embryo of a seed resumes growth under favorable conditions is called germination.

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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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Seeds are raised in the nursery for several reasons, including: - To protect them from harsh environmental conditions, such as extreme temperatures or heavy rain, which could damage or kill the seeds. - To provide them with a controlled environment with optimal growing conditions, such as the right amount of water, nutrients, and light. - To monitor and manage pests and diseases that could harm the seeds. - To allow for easier transplanting and handling of the seedlings once they are ready to be moved to their final growing location.

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Metallic pond

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The vertical section of the soil showing a series of horizontal layers of different types of soil is called a "Soil profile".

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A bulletin

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

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Malnutrition is said to occur when a ration does not provide all the food nutrients in adequate quantities needed by an animal.

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It can be used to plant seeds.

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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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The branch of ecology that deals with the study of an individual organism and its interaction with the environment is called "autecology."

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The nutrient class that is used only for energy production in farm animals is Carbohydrates. While all nutrient classes can be sources of energy for animals, carbohydrates are particularly important for providing energy quickly and efficiently. Proteins and minerals are primarily used for building and repairing tissues and structures in the body, while fat and oil serve a variety of functions including energy storage, insulation, and as building blocks for certain hormones.

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Irrigation is the artificial watering of farmland.

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Planting of trees.

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- Never innovators

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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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Availability of fund

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Essentially Innovators.  Early adopters too have a minor role to play in this case.

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Five

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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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The method of storage that is commonly used for grains is "silos".

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- Dioscorea alata

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Nutritional deficiency is a disease condition which emanates from inadequate nutrition.

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The animal dungs are used as organic manure to improve the soil fertility.

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Mass media method.

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Ridger planter.

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Outbreeding.

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Plough.

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None of the above.

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Emergence refers to the appearance of a seedling above soil level.

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The main function of an Agricultural Extension Officer is to pass information or new innovation from the research institute to the farmers, not just pass information but sometimes also demonstrate how to use these information. They are like and intermediary between the researchers and the farmers.

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Presence of bad roads

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

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The process of removing excess seedlings from a seedbed after the viable seeds have germinated is called "thinning".