The outer hard layer of the pollen grain comprises of
Question and options
The outer hard layer of the pollen grain comprises of
- Sporopollenin
- Chitin
- Pectin
- Silica
Answer and explanation
Correct answer: A - Sporopollenin
The tough outer wall (exine) of pollen grains is made of sporopollenin, one of the most resistant biopolymers, which is why pollen survives as trace evidence.
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