Why the sporophyte of Gymnosperm is heterosporous?

Which is heterosporous?

Bring out the differences between the sporophyte of gymnosperms with that of bryophytes.

The fern is heterosporous .

Read the following statements : a. Majority of the pteridophytes are heterosporous b. Gymnosperms are usually heterosporous c. Microphylls are found in Selaginella d. Dicotyledonae is the class of pea Which statements are incorrect ?

Pteridophytes|General Characterstics|Plant Body - Gametophyte|Plant Body - Sporophyte|Homosporous And Heterosporous

Pteridophytes|General Characteristics|Plant Body - Gametophyte|Plant Body - Sporophyte|Homosporous And Heterosporous

Assertion: In gymnosperms development of male gametophyte (pollen grain) takes place within the microsporangia. Reason: Gymnosperms are heterosporous plants in which spores show in situ germination.

Assertion: In gymnosperms development of male gametophyte (pollen grain) takes place within the microsporangia. Reason: Gymnosperms are heterosporous plants in which spores show in situ germination.

pteridophytes-general features,classification,sporophyte,gametophyte,homosporous and heterosporous pteridophytes