Why the sporophyte of gymnosperm is heterosporous?

Distinguish between homosporous and heterosporous condition in pteridophytes.
Answer : Ans: Majority of pteridophytes are homosporous.All spores produced od similar type. Example: Psilotum Heterosporous pteridophytes produce macro and microspores. Example: Selaginella. ...

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by anonymous asked Apr 2, 2021 0 views

Name a gymnosperm with vessels in the Xylem.

Name a gymnosperm with vessels in the Xylem.
Answer : Ans: Gnetum. ...

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Why bryophytes are called amphibians of the plant kingdom?

Why bryophytes are called amphibians of the plant kingdom?
Answer : Ans: Bryophytes live on land but they produce motile sperms which require water for swimming during fertilization. ...

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Why bryophytes are called non vascular Cryptogams?

Why bryophytes are called non vascular Cryptogams?
Answer : Ans: Bryophytes do not contain Xylem and phloem tissues so they are non vascular and do not produce visible flowers. So they are Cryptogams....

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anonymous · Answer 1 · 2021-04-02T10:52:19+0000

Ans: Sporophyte produces two types of spores like smaller micro spores and larger mega spores so it is heterosporous.

Why the sporophyte of gymnosperm is heterosporous?

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