The rearing of silk moth and production of raw silk is known as sericulture. %%EOF It is an agro-based industry comprising of . Again some species live in coastal regions. Silk was believed to have first been produced in China as early as the Neolithic Period. Would you like to get the full Thesis from Shodh ganga along with citation details? The importance of silkworm in silk production was known in China during 3500 B.C. 3. 2. an earthworm has both male and female reproductive organs. 0 Earthworms are of great economic importance to man. Bees are an integral part of our lives and without them life would take a very different turn. The culture of silkworms is called sericulture. What Is The Economic Importance Of Mountains? Because it can cure the disease,So it can bring profit in medicine and so in the economic.... What is the economic importance of paramecium? It is a tasty protein food. Rightfully so, for there could be no material as smooth, comfortable, pretty and shiny as silk. Tabulate the different types of silkworm? 3. g) Explain the economic importance of silkworm. It is estimated that mulberry silk contributes around 90 % of the total global raw silk production and it is a very attractive economic activities mostly to the rural people. A pound of raw silk requires the use of 2,000 to 3,000 cocoons and the world’s silk manufacturers produce approximately 70 million pounds of raw silk each year. Characteristics of silk fibers and economic importance of silk worms Silk is used in industries and for military purposes. There are well around 25,000 bee species in the world. The process of rearing the silk moth on a commercial basis is called sericulture. The silkworm is the larva or caterpillar of a silk moth. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. ECONOMIC IMPORTANCE OF INSECTS The estimated annual value of the ecological services provided by insects in the United States alone is at least $57 billion, an amount that justifies greater investment in the conservation of these services. Diseases and Pests of Silkworm?Write a note on the diseases and pests of silkworms? Silkworms look and taste better to most animals than many other types of feeders. Without the activities of … 4. Economics. Spices, grain, livestock and a thousand other items were on offer along the loose network of roads and … And you can wear it during all sorts of weather! It is an economically important insect, being a primary producer of silk. 2. It is also for this reason that commercial pollination has began to take shape in the larger agricultural industry. Of all the bee species, the honeybee is the m… Ans: Following are the economic importance of silkworm: i) Silk is the use to make clothes. While silk derived from silkworm has been of economic importance for centuries, more recently silkworm has been found to have utility in biomedicine. A silkworm’s cocoon consists of a single thread of silk that stretches to a length of 1,000 to 3,000 feet when unraveled. 1. It is an agro-based industry comprising of. '����H�0�(L s U=0" They play an important role in agriculture and are the best friends of farmers as they are continuously ploughing and manuring the soil. During this course, they pass through five larval instars intervened by four moults, cocoon and pupal stage. The bees provide important natural products and services. One thread consists of up to 48 individual silk filaments. There are different lines and strains for silk production. 3. The Chinese people knew the methods for cultivating silk and of preparing cloth from it for more than 2000 years. They are hermaphrodite i.e.
Clr Mold And Mildew Stain Remover Ingredients, Critter Pricker Worth, All About Me Crafts For 2 Year Olds, Identify Mushroom By Picture App, Tree Of Heaven Seed Pods, Draw With Rob 13,