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Published on: August 14, 2026
In the of pollen grain prominent aperture called germpore is whereas sporopollenin is
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B
In the exine of pollen garin, prominent aperture called germpore is present whereas sporopollenin is absent. Exine is the hard outer layer which is made up of sporopollenin. In certain places exine is absent, these thickened deposition of have thickened germphore. Sporopollenin is absent in the region of germpore
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