Question
Biology Question on plant growth and development
During an excavation of soil, Pollen. fossils were retrieved from deepest layer of soil. The pollen grains remained as fossils because
A
The intine of pollen grains is made up of pectin.
B
Exine has spiny Ornamentation.
C
The exine of pollen grains is highly resistant to enzyme action.
D
Pollen grains are asexual reproductive structures.
Answer
The exine of pollen grains is highly resistant to enzyme action.
Explanation
Solution
The correct answer is (C) :The exine of pollen grains is highly resistant to enzyme action.