Angiospermic Seed

Structure of Seed:

• The whole plant exists in a seed. Plant is the main base of whole living world. So seed is the most important structure.
• In angiosperm, after the fertilization, egg cell changed into embryo, ovary changed into fruit and ovule change into seed.
• Morphologically, ripened ovule is known as seed. In other words, seed is a mature, integumented megasporangium.
• Seeds may be classically defined as a young sporophyte where development is checked and is …

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Angiospermic Seed – Endosperm

• Endosperm: Endosperm is formed as a result of double fertilization or triple fusion and is considered as a food storing tissue.
• In case of gram, bean, pea seeds, the endosperm is thin, papery. While in castor, the endosperm is fleshy.
• It is the nutritive tissue which may be present or absent in the seeds. The angiospermic seed classified into two categories on the basis of presence or absence of endospermic seeds; Non-endospermic seed or ex-albuminous seed and…

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