Agricultural Science 2022 Jamb Examination
Agricultural Science 2022 Jamb Examination
Question 61
Bulldozers are powerful tractors and expensive machines with a
Bulldozers are equipped with a broad steel blade at the front to push large quantities of soil, sand, or debris. Narrow, tiny, or small blades would be inefficient for heavy-duty earth-moving tasks.
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Question 62
Bulldozer is used for the following purpose except
Bulldozers are versatile machines used for bush clearing, felling stumps and trees, and leveling surfaces. They are not designed for planting trees, which requires a different set of tools or machinery.
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Question 63
Which of the following is not a component of an incubator ?
An incubator's key components include an electric heater to provide warmth, a thermostat to regulate temperature, and an insulator to maintain heat. 'Temperature' itself is a condition, not a physical component.
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Question 64
The following are advantages of using disc plough over mouldboard plough in West Africa except
Disc ploughs are advantageous because they can make deep cuts, bury weeds efficiently, and roll over obstacles without damage. The mouldboard plough making deeper cuts than a disc plough is incorrect, as disc ploughs are typically more effective in tough soils.
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Question 65
_______ is a secondary tillage implement
A harrow is classified as a secondary tillage implement because it is used to refine the soil after primary tillage by breaking clods and leveling the surface. Ploughs, ridgers, and disc ploughs are primarily used for initial soil preparation.
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Question 66
Broadcast Crop Planter is designed
A Broadcast Crop Planter is designed to scatter seeds randomly over a field, which allows for quicker sowing over large areas. Planting in rows or precise placement is the function of other types of planters like row crop or hole planters.
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Question 67
A person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers is called
An Agricultural Extension Officer is responsible for transferring agricultural knowledge, innovations, and techniques from research institutes to farmers. This role bridges the gap between research and practical farming applications.
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Question 68
Roles of an extension agent includes the following except
An extension agent liaises with other agencies, plans and executes educational programmes, supervises loan utilisation, and trains farmers. 'He does not liaises with other agencies' contradicts the fundamental role of extension work.
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Question 69
___________ is a process of spreading new ideas and information from research station to reach farm families
Diffusion refers to the process of spreading ideas or information from research stations to farm families. Osmosis is related to water movement, and turgidity and flaccidity describe plant cell conditions, which are unrelated.
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Question 70
Television, radio, posters, bulletin are ____ method of extension
Television, radio, posters, and bulletins are classified as mass media methods of extension because they allow information to reach a wide audience quickly and efficiently, unlike individual or group methods.
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