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  • How are the male and female gametophytes of pteridophytes and gymnosperms different from each other

How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?

Answers (2)

 Gametophyte of Pteridophyte
 

  Gametophyte of Gymnosperm

(a)

 A distinct male gametophyte may not be present.

(a)

 A male gametophyte is always present.

(b)

 It contains an antheridium.

(b)

 An antheridium is not found.

(c)

 Male gametes are flagellated.

(c)

 Male gametes may or may not be flagellated.

(d)

 Male gametes reach the female gamete by swimming in a film of water.

(d)

 Male gametes reach the female gamete
through a pollen tube. Water is not required.
(e) A distinct female gametophyte may or may not be present. (e) A distinct gametophyte is always present.

(f)

 


It is largely independent. It is not enclosed in an ovule.
 

 

 

(f)

 


Female gametophytes do not leave the parent plant. It is enclosed inside an ovule.

 

Posted by

Safeer PP

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The size of gametophyte of of pteridophytes quite large compare  to gymnosperm's gametophytes. Gametophyte of pteridophytes are photosynthetic in nature while gametophyte of  gymnosperms are are not photosynthetic in nature

Posted by

LOKESH JAIN

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