Which of the following has proved helpful in preserving pollen as fossils?
Pollenkit
Cellulosic intine
Sporopollenin
Oil content
Correct answer: Sporopollenin
Solution
Sporopollenin is an exceptionally tough, chemically inert biopolymer in the outer pollen wall, so it resists decomposition and fossilizes well. The other options are not known for providing this long-term preservation.