1.

Canada balsam, a mounting agent used to make permanent slides, is obtained from the species ofA. AbiesB. CedrusC. PinusD. Juniperus

Answer» Correct Answer - A
Canada balsam is obtained from Abies balsamea the resin down not crystallise or granulate on dryinkg. It has a high refractive index as that of glass and is used as a mounting medium for microscopic object and as a cement for lenses in optical work.


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