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| 1. |
Name the organic materials exine and intine of an angiosperm pollen grains are made up of. Explain the role of exine. |
| Answer» TION:✔ The EXINE layer is made up of SPOROPOLLENIN, which is one of the most resistant substances FOUND in nature.✔ The intine layer is made up of cellulose and pectin materials. | |