Class 7 Science Fibre to Fabric: NCERT Solutions for Question 7
Out of the following, which are the two terms related to silk production? Sericulture, floriculture, moriculture, apiculture and silviculture.
Hints:
(i) Silk production involves cultivation of mulberry leaves and rearing silkworms.
(ii) Scientific name of mulberry is Morus alba.
Sericulture, Moriculture
1. Sericulture: Sericulture is the process of rearing silk worms to obtain silk. The caterpillars of the domestic silk moth are the most commonly used silk warm species in sericulture. Sericulture, also called silk farming. It starts by raising silkworms. Silk fibres are combined into silk thread. The thread can then be turned into yarn or woven into silk cloth or the woolen clothes.
2. Moriculture: Moriculture may be defined as the process in which mulberry plants are cultivated for the feeding of silk moth.
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Classify the changes involved in the following processes as physical or chemical changes:
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Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.
Down Across
(D) 1 : Thorough washing (A) 1 : Keeps warm
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Match the items in Column I with those in Column II:
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Match the words of Column I with those given in Column II:
Column I Column II
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Down Across
(D) 1 : Thorough washing (A) 1 : Keeps warm
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