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The most appropriate definition of a seed in terms of its homologous organs found in spore producing land plant is :
A seed is an integumented sporangium with a single functional spore
A seed is an integumented indehiscent megasporangium
A seed is an integumented bud containing an egg
None of the above
Answers (1)
Integumented: This refers to the presence of one or more integuments, which are protective layers that surround the seed. Integuments are derived from the parent plant's sporophytic tissue.
Indehiscent: This term indicates that the seed does not naturally split open at maturity to release its contents. Instead, it remains closed until conditions are favorable for germination.
Megasporangium: This refers to the structure within the seed that contains the megaspore(s). In seed plants, the megasporangium is commonly referred to as the ovule. It is the site where the female gametophyte develops.
Therefore, seed is an integumented indehiscent megasporangium. Hence, the correct answer is option 2.
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