Germpore is the region where the exine is

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(D) The pollen grain wall consists of two layers: the outer $Exine$ and the inner $Intine$. The $Exine$ is composed of $Sporopollenin$,which is one of

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(D) The pollen grain wall consists of two layers: the outer $Exine$ and the inner $Intine$. The $Exine$ is composed of $Sporopollenin$,which is one of the most resistant organic materials known. However,the $Exine$ is not continuous; it is absent in certain regions known as $Germpores$. These $Germpores$ are the sites from which the pollen tube emerges during germination.

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