DENDROLOGY

Detailed explanation-1: -Chlorophyll is a pigment that gives plants their green color, and it helps plants create their own food through photosynthesis.

Detailed explanation-2: -The chromatogram shows the different pigments. Chlorophyll a is blue-green, chlorophyll b is yellow-green, carotene appears bright yellow, and xanthophyll is pale yellow-green.

Detailed explanation-3: -Chlorophyll. The green pigment in leaves is chlorophyll, which absorbs red and blue light from sunlight. Therefore, the light the leaves reflect is diminished in red and blue and appears green.

Detailed explanation-4: -Chlorophyll A is the major pigment used in photosynthesis, but there are several types of chlorophyll and numerous other pigments that respond to light, including red, brown, and blue pigments. These other pigments may help channel light energy to chlorophyll A or protect the cell from photo-damage.