PLANTS
PTERIDOPHYTES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Fucus
|
|
|
Funaria
|
|
|
Lycopodium
|
|
|
All of the above
|
Detailed explanation-1: -Lycopodium, Equisetum, Psilotum are homosporous. Those plants which produce only one kind of spores are called homosporous.
Detailed explanation-2: -So, the correct answer is ‘Lycopodium, Equisetum’.
Detailed explanation-3: -Examples. Some examples of homosporous pteridophytes are clubmoss and puzzlegrass while some examples of heterosporous pteridophytes are Selaginella and Salvinia.
Detailed explanation-4: -Lycopodium is homosporous–all spores are roughly equal in size. Selaginella and Isoetes are heterosporous–spores are of two distinct sizes, microspores and megaspores.
Detailed explanation-5: -Nearly all bryophytes and most pteridophytes have a homosporous life history (lower vascular plants). In pteridophytes, it is defined by physically identical spores that germinate to create bisexual (both male and female) gametophytes, however, it can be bisexual or unisexual.