what is meant by the following terms
(a) Rearing
(b) Shearing
(c) Sericulture
Answers
Answer:
The rearing, shearing and sericulture are key components of activities used for deriving material like meat, milk, egg, honey and silk from animals and insects.
Explanation:
i). Rearing: The process of keeping, breeding and feeding the animals, birds, insects for obtaining resources from them is called rearing. The organisms are provided with shelter, food and medical aid to obtain resources from them.
For example, sheep are reared for wool, they are provided with leaves, grasses and reared in regions of low rainfall so as to protect the wool growing on their skin.
ii). Shearing: The process of removing the wool on the thin layer of the skin. It is done when the sheep develops a thick coat of hair.
The shearing is either done manually or done with the help of machines.
iii). Sericulture: The rearing and caring the silk worm for obtaining the skin is called as sericulture.
A special environment is created to allow the breeding of silk worms to obtain silk from the eggs.
Different kinds of silk can be obtained from the sericulture process. For example, the Tassar silk and mulburry silk.
Answer:
Rearing - bring up and care for (a child) until they are fully grown.
Shearing - In physics, shearing in continuum mechanics refers to the occurrence of a shear strain, which is a deformation of a material substance in which parallel internal surfaces slide past one another. It is induced by a shear stress in the material. Shear strain is distinguished from volumetric strain.
Sericulture - Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, Bombyx mori (the caterpillar of the domestic silkmoth) is the most widely used and intensively studied silkworm.
Explanation:
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