How are the male and female gametophytes of pteridophytes and gymnosperms different from each other? Eduinfy.com
NCERT Solution: Plant Kingdom
How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?

NCERT Exampler

Male gametophyte of pteridophyte

Male gametophyte of gymnosperm

 (i) Distinct male gametophyte may not be present.

(i) Distinct male gametophyte is always present.

(ii) Antheridium is present.

(ii) Antheridium is absent.

(iii) Male gametes are flagellated.

(iii) Male gametes may or may not be flagellated

 

(iv) Male gametes need water as a medium to swim up to the female gamete.

(iv) Male gametes reach the female gamete

through pollen tube. Water is not required

for this purpose.

 

Female gametophyte of

pteridophyte

 

Female gametophyte of gymnosperm

(i) Distinct female gamete may not

be present.

(i) Distinct female gamete is always present.

(ii) It is largely independent.

(ii) Female gamete is not independent fromthe parent plant.

 

(iii) It is not enclosed in an ovule.

(iii) It is enclosed in an ovule

 

 

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