All biological pigments selectively absorb certain wavelengths of light while reflecting others. The principal pigments responsible are: 1  Chlorophyll is the primary pigment in plants; it is a chlorin that absorbs yellow and blue wavelengths of light while reflecting green.2  It is the presence and relative abundance of chlorophyll that gives plants their green color.he primary function of pigments in plants is photosynthesis, which uses the green pigment chlorophyll along with several red and yellow pigments that help to capture as much light energy as possible. Other functions of pigments in plants include attracting insects to flowers to encourage pollination.
serif - a short line at the end of the main strokes of a character. seriph. printing process, printing - reproduction by applying ink to paper as for publication. line - a mark that is long relative to its width; He drew a line on the chart.
There are two general categories of typefaces: serif and sans serif. Sans serif typefaces are composed of simple lines, whereas serif typefaces use small decorative marks to embellish characters and make them easier to read. Helvetica is a sans serif type and Times Roman is a serif type. Serif. A small decorative line added as embellishment to the basic form of a character. Typefaces are often described as being serif or sans serif (without serifs). The most common serif typeface is Times Roman.