Multiple choice

Why are pollen grains well fossilised?

  1. Because of presence of pollen kit

  2. Because of presence of sporopollenin

  3. Because of presence of exine layer

  4. Because of the presence of intine

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sporopollenin is resistant to chemical and biological decomposition and cutinizes exine. Pollen grains are well preserved as fossils because of the presence of sporopollenin.