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Question : What are the various races of Bombyx mori. |
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Answer» Solution :On the basis of the moults they undergo in the larval STAGE, B. mori is divided into three RACES. They are: 1. Tri moulters - 3 moults 2. Tetra moulters - 4 moults 3. Penta moulters - 5 moults On the basis of voltinism (the NUMBER of broods raised PER year), three kinds of races are recognised. They are: 1. Univoltines - ONE brood only 2. Bivoltines -two broods only Mutlivoltines - more than two broods |
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