JAMB UTME - Agricultural Science - 2022

Climatic factors which affects organisms include the following except

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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.

Which branch of ecology deals with the study of an individual organism and its interaction with the environment is

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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."

Fishing methods involves the use of the following different techniques or equipments except

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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.

The botanical name of maize is

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The botanical name for maize is Zea mays.

Which of the followings is not an advantage of Introduction

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

Broadcast Crop Planter is designed

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

__________ is the distance of the sown seed in the soil from the soil surface

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

Which of the following is not a role of science and technology in agricultural development in Nigeria?

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Poor transportation network.

One of the followings is not a basic consideration in planting operations

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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.

_________ is the sowing of seed by drilling with stick or knife, followed by dropping seeds and covering them

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Which of the following methods of storage is used for grains

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

A person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers is called

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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.

This is the removal of unwanted plants on the farm

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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.

Agricultural extension serves as ____ between research institute and farmers

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A bridge.

_________ is the artificial watering of farmland

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Irrigation is the artificial watering of farmland.

Primary tillage is also known as

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Primary tillage is also known as "ploughing."

Which of the following classes of nutrient is used only for energy production in farm animals?

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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.

________ is a disease condition which emanates from inadequate nutrition.

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

The following problems are encountered by an agricultural extension agent except

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High level of literacy among farmers

Television, radio, posters, bulletin are ____ method of extension

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mass media

The following animals are polygastric animals except

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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.

Bulldozer is used for the following purpose except

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Planting of trees.

Which of the following is a powerful and expensive multipurpose motor vehicle used for lifting or pulling farm implements?

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

__________ is a pictorial presentation meant to educate or inform the literate audience

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Poster.

The following are extension methods except

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None of the above.

________ is all written ideas and innovation for literate to read, understand and apply.

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A bulletin

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

The A-Horizon of soil profile is also called the

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

There are________ Steps or stages of Diffusion process

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Five

Which of the following is not a component of an incubator ?

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Temperature

The removal of excess seedlings from a seedbed after the viable seeds have germinated is

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

The following conditions are necessary for germination except

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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

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

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

In ponds, fish is usually caught with the following except

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Pollution

The following are solutions to poor transportation network experienced by farmers except

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Presence of bad roads

The following steps are necessary when establishing a fish pond except

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

Roles of an extension agent includes the following except

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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.

___________ consists of living factors(plants and animals) interacting with the non-living factors in a farm environment

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Ecosystem

_________ is concerned with the study of the inter-relationships between groups of organisms living together in an area

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Synecology

Which of the following is a disadvantages of mass method

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It is very expensive to operate.