SS3: AGRICULTURAL SCIENCE - 1ST TERM
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Crop Improvement | Week 19 Topics|1 Quiz
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Crop Improvement (Definition, Branches, Objectives)
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Definition of Some Genetic Terms
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Mendel's Experiments
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Mendel's First Law (Law of Segregation of Genes | Monohybrid Cross)
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Mendel's Second Law (Law of Independent Assortment | Dihybrid Cross)
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Processes Involved in Crop Improvement
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Methods of Crop Improvement
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Advantages & Disadvantages of Crop Improvement
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Theory Questions - Crop Improvement
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Crop Improvement (Definition, Branches, Objectives)
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Animal Improvement | Week 26 Topics|1 Quiz
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Animal Health Management I - Introduction | Week 37 Topics|1 Quiz
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Animal Health Management II | Week 45 Topics|1 Quiz
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Animal Health Management III | Week 57 Topics|1 Quiz
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Aquaculture | Week 611 Topics|1 Quiz
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Aquaculture (Meaning, Types)
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Fish Farming (Meaning, Classification, Importance)
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Terms Associated with Fish Farming
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Fish Pond (Definition, Types)
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Conditions Necessary for Siting a Fish Pond
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Features of a Standard Fish Pond
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Establishment and Maintenance of Fish Pond
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Fishing Tools and Equipment
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Processing and Preservation of Fish
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Basic Laws and Regulations of Fishing
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Theory Questions - Aquaculture
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Aquaculture (Meaning, Types)
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Apiculture or Bee-keeping | Week 710 Topics|1 Quiz
Castes in Bee Colonies
Topic Content:
- Castes of honey bees
- drones, queens, and workers
- roles and functions
- drones, queens, and workers

A colony of bees consists of three castes of bees. These are:
A Queen Bee:
This is the only breeding female in the colony. The queen is the only sexually mature female in the hive and all the female worker bees and male drones are her offspring. The queen may live for up to three years or more and may be capable of laying half a million eggs or more in her lifetime. The queen is raised from a normal worker egg but is fed a larger amount of royal jelly than a normal worker bee, resulting in radically different growth and metamorphosis. The queen influences the colony by the production and dissemination of a variety of “pheromones” or “queen substance”. One of the chemicals suppresses the development of ovaries in all the female worker bees in the hive and prevents them from laying eggs.
The Worker Bee:
Worker bees are the most numerous members of the colony. A healthy colony may contain 80,000 worker bees or more at its peak growth in early summer. Workers build and maintain the nest and care for the brood.
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