The plant leaves are lateral outgrowth of the stem which develop from the meristematic tissues of buds. They are the part of the plant shoot which serves as the chief food-producing organ in most vascular plants.
Adjective[edit] ad hoc â(comparative more ad hoc, superlative most ad hoc) 1  For a particular purpose. 2  Created on the spur of the moment; impromptu. ( sciences) (of a hypothesis) Postulated solely to save a theory from being falsified, without making any new predictions.
Ad hoc accounting is done for a specific purpose without considering any other issues. Ad hoc comes from the Latin and means as the occasion requires.. The ad hoc principle applies to many dimensions in business. There may be an ad hoc committee formed to consider a specific issue, often of an urgent nature. Ad hoc accounting and reporting means that the accounting activity or report is produced to answer a single, specific question without prior planning or notice. Ad hoc analysis often comes in the form of a report or data summary.