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Q No. 10 Read the following paragraph and answers questions (a) to (c), Micro propagation is the technique of multiplying plants from pieces or explants over artificial mediuminside small containers under controlled environmental conditions. Each explants first forms a mass ofundifferentiated cells called callus. Callus can be sub cultured several times Callus formed frommeristematic region is always free from viral infection. Callus is provided with auxin and cytokinin. Thetreatment converts the undifferentiated mass of cells into small plantlet. The plantlet is transferred tobigger container for further growth in the field.(a) What is the other name of micro propagation?(b) What is callus?(c) Why are auxin and cytokinin provided to callus? |
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Answer» 1.artificial medium2. UNDIFFERENTIATED cells called callus3.Callus can be sub cultured several times Callus formed frommeristematic region is ALWAYS FREE from VIRAL infection. Callus is provided with auxin and cytokinin. |
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