The pigments mentioned in the question have different colors due to their different absorption and reflection of light wavelengths. They are classified as follows : - Chlorophyll a appears bright or blue green in the chromatogram. - Chlorophyll b appears yellow green in the chromatogram. - Xanthophyll appears yellow in the chromatogram. - Carotenoid appears yellow to yellow-orange in the chromatogram. So, matching List - I with List - II : - (A) Chlorophyll a matches with (III) Blue green - (B) Chlorophyll b matches with (II) Yellow green - (C) Xanthophyll matches with (IV) Yellow - (D) Carotenoid matches with (I) Yellow to yellow orange Therefore, the correct answer is Option A : - (A)-(III), (B)-(II), (C)-(IV), (D)-(I)