JAMB UTME - Agricultural Science - 2022

Bayanin Amsa

Temperature

Bayanin Amsa

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.

Bayanin Amsa

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.

Bayanin Amsa

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

Bayanin Amsa

Five

Bayanin Amsa

The A-Horizon of soil profile is also called the "top soil."

Bayanin Amsa

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

Bayanin Amsa

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

Bayanin Amsa

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

Bayanin Amsa

The correct answer is: Weeding. "Weeding" refers to the process of removing unwanted plants from a farm or garden to help the desired plants grow better. "Thinning" usually refers to the removal of excess plants to allow the remaining plants to grow stronger and healthier. "Mulching" refers to the practice of covering the soil with a layer of material (such as leaves, straw, or bark) to retain moisture, suppress weed growth, and improve soil quality. "Supplying" does not relate to the removal of unwanted plants on a farm. It could refer to the act of providing necessary resources, such as water or nutrients, to the desired plants.

Bayanin Amsa

Synecology

Bayanin Amsa

High level of literacy among farmers

Bayanin Amsa

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.

Bayanin Amsa

A bridge.

Bayanin Amsa

Planting depth is the distance of the sown seed in the soil from the soil surface.

Bayanin Amsa

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

Bayanin Amsa

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.

Bayanin Amsa

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.

Bayanin Amsa

To abandon the development of rural area.

Bayanin Amsa

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

Bayanin Amsa

Harrow

Bayanin Amsa

Poster.

Bayanin Amsa

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.

Bayanin Amsa

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

Bayanin Amsa

Ridger planter.

Bayanin Amsa

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

Bayanin Amsa

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

Bayanin Amsa

Primary tillage is also known as "ploughing."

Bayanin Amsa

- Never innovators

Bayanin Amsa

Ecosystem

Bayanin Amsa

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.

Bayanin Amsa

Late adopters.

Bayanin Amsa

Outbreeding.

Bayanin Amsa

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.

Bayanin Amsa

Presence of bad roads

Bayanin Amsa

Diffusion.

Bayanin Amsa

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

Bayanin Amsa

to place the correct number of seed(s) into a hole with regular spacing within and between rows.

Bayanin Amsa

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

Bayanin Amsa

in-planting operations