Question

Sporopollenin is chemically

• A. homopolysaccharide
• B. fatty substance
• C. protein
• D. heteropolysaccharide

Answer 1

Answer: (B)

fatty substance

Answer 2

Sporopollenin is biologically most resistant organic material (fatty substance) found in the exine (outer wall) of spores and pollen grains. It consists of complex polymers with an emperical formula ( ${{C}_{90}}{{H}_{142}}{{O}_{36}}$ ), formed by oxidative polymerization of carotenoids and their esters.