JAMB UTME - Agricultural Science - 2022

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

The botanical name for maize is Zea mays.

Awọn alaye Idahun

broad steel blade

Awọn alaye Idahun

It is very expensive to operate.

Awọn alaye Idahun

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

Awọn alaye Idahun

None of the above.

Awọn alaye Idahun

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

Awọn alaye Idahun

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.

Awọn alaye Idahun

A bulletin

Awọn alaye Idahun

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

Awọn alaye Idahun

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.

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

Availability of fund

Awọn alaye Idahun

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.

Awọn alaye Idahun

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

Awọn alaye Idahun

mass media

Awọn alaye Idahun

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

Awọn alaye Idahun

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

Awọn alaye Idahun

To abandon the development of rural area.

Awọn alaye Idahun

Thinning.

Awọn alaye Idahun

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

Awọn alaye Idahun

Pulses.

Awọn alaye Idahun

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.

Awọn alaye Idahun

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.

Awọn alaye Idahun

Mouldboard plough makes deeper cuts than disc plough

Awọn alaye Idahun

Poster.

Awọn alaye Idahun

- Dioscorea alata

Awọn alaye Idahun

- Never innovators

Awọn alaye Idahun

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

Awọn alaye Idahun

Temperature

Awọn alaye Idahun

Metallic pond

Awọn alaye Idahun

It can be used to plant seeds.

Awọn alaye Idahun

Harrow

Awọn alaye Idahun

The climatic factors which affect organisms include air, sunlight, and rain. Rocks are not a climatic factor, although they can indirectly affect organisms through their impact on soil composition and drainage patterns.

Awọn alaye Idahun

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

Awọn alaye Idahun

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.

Awọn alaye Idahun

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

Awọn alaye Idahun

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.