Pollen acts as a biological protector for protecting male sperm from various harsh conditions and is covered by an outer cell wall polymer called the exine, a major constituent of which is sporopollenin.

The function of sporopollenin:

1. A) comprise spore surface structures that catch the wind and assist in spore dispersal
2. B) reduce dehydration
3. C) make spores less dense and able to disperse more readily
4. D) repel toxic chemicals
5. E) provide nutrients to spores

If it is destroy then plant reproduction system will also destroy.