JAMB UTME - Agricultural Science - 2022

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mass media

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The problem that is usually not associated with subsistence agriculture is "it requires a large area of land." Subsistence agriculture is typically practiced on small plots of land and involves growing crops and raising livestock for the sole purpose of feeding one's family, without generating any surplus for sale. The other three problems mentioned (unreliable family labour supply, use of simple tools, and lack of surplus for sale) are all commonly associated with subsistence agriculture.

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

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Mass media method.

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"It may not perform maximally" is not an advantage of introduction.

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

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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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Availability of fund

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

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

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

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Temperature

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An Agricultural Extension Officer is a person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers. They play a crucial role in bridging the gap between research and farmers, ensuring that the latest advancements in agriculture are being effectively communicated and implemented on the ground.

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It is very expensive to operate.

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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 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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Fertilizer.

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Ridger planter.

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Primary tillage is also known as "ploughing."

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It can be used to plant seeds.

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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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Poor transportation network.

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

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None of the above.

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Poster.

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Plough.

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Synecology

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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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Mouldboard plough makes deeper cuts than disc plough

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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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Outbreeding.

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

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Metallic pond

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

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

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