JAMB UTME - Agricultural Science - 2022

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."

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."

The animal dungs are used as_____to improve the soil fertility

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

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.

Cultural practices can be classified into the following except

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in-planting operations

One of the followings is not a type of pond

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Metallic pond

Which of the followings is not an abiotic components of an ecosystem?

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

There are________ Steps or stages of Diffusion process

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Five

The following are categories of farmers based on adoption of innovation except

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- Never innovators

Which of these is not an example of tractor coupled implement?

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Incubator.

Which of the following is not a type of harvester?

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Plough.

The mating of unrelated individual animals within the same breed is called

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Outbreeding.

Agricultural extension serves as ____ between research institute and farmers

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A bridge.

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

__________is used to create awareness and interest in the new ideas and techniques among the majority of the people

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Mass media method.

One of the followings is not an objective of agricultural extension

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To abandon the development of rural area.

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.

_________ is the artificial watering of farmland

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Irrigation is the artificial watering of farmland.

Bulldozers are powerful tractors and expensive machines with a

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broad steel blade

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.

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Diffusion.

The botanical name of maize is

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The botanical name for maize is Zea mays.

Which of the following is not an organic manure?

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Fertilizer.

Which of the following is a disadvantages of mass method

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It is very expensive to operate.

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

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A bulletin

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.

The following problems are encountered by an agricultural extension agent except

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High level of literacy among farmers

The vertical section of the soil showing series of horizontal layers of different types of soil is called

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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".

The followings are functions of a sprayer except

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It can be used to plant seeds.

The feed that is regularly offered to or consumed by the animal is called

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

Which of the following processes is not used in rice processing

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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.

Preservation of fish prevents the following except

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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.

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.

Primary tillage is also known as

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Primary tillage is also known as "ploughing."

_______ is a secondary tillage implement

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Harrow

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.

The B-Horizon of soil profile is also called the

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

Which of these operations comes first in cultural practice?

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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.

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

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Ecosystem

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

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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.