JAMB UTME - Agricultural Science - 2022

The following are examples of agricultural extension except

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

The botanical name of maize is

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The botanical name for maize is Zea mays.

______ introduce new ideas of farming seen in other places to their dwelling.

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

Bulldozer is used for the following purpose except

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Planting of trees.

One of the followings is not an objective of agricultural extension

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To abandon the development of rural area.

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 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.

_______ 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.

Which of the following is a disadvantages of mass method

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It is very expensive to operate.

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.

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

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Poor transportation network.

____________ 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.

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".

Some seeds are raised in the nursery because

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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.

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

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Ecosystem

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

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

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Outbreeding.

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.

The followings are functions of a sprayer except

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It can be used to plant seeds.

In ponds, fish is usually caught with the following except

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Pollution

_________ is the artificial watering of farmland

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Irrigation is the artificial watering of farmland.

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.

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".

Which of the following is not an organic manure?

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Fertilizer.

The young plants that emerge during germination are called

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

The principles of agricultural extension includes the following except

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

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.

_______ is a secondary tillage implement

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Harrow

The major factors affecting the application of science and technology to Nigeria agriculture include the following except

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Availability of fund

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.

Legumes that produce edible seeds are known as

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Pulses.

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

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Synecology

The following problems are encountered by an agricultural extension agent except

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High level of literacy among farmers

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".

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.

Which of the following is not a type of harvester?

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Plough.

The following are advantages of using disc plough over mouldboard plough in West Africa except

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Mouldboard plough makes deeper cuts than disc plough

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

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Temperature

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

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A bulletin

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.