1.

Sap of which plant is considered as a good substitute for diesel oilA. Euphorbia spB. Copaifera longsdorfiiC. Calotropis proceraD. Manihot glaziovii

Answer» Correct Answer - B
Copaifera langsdorffii / Brazilian tree and its sap is good alternative for diesel. About 3 litres of sap per month produced per tree.


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