Which one of the following is categorised under living fossils?
Selaginella
Metasequoia
Pinus
Cycas
Chlorenchyma is known to develop in the
spore capsule of a moss
pollen tube of Pinus
cytoplasm of Chlorella
mycellium of a green mould such as Aspergillus
Which one of the following is a saprophytic bryophyte?
Riccia fluitans
Buxbaumia aphylla
Funaria hygrometrica
Sphagnum
In Funaria, stomata are present on the
stem
leaves
capsule
apophysis
D.
apophysis
The mature sporophytein Funaria is distinguishable into foot, seta and capsule. The capsule is distinguished into opercular region theca region and apophyseal region.
Apophyseal region is lowermost part of the capsule. The epidermis of the apophyseal region has stomatal apertures. Each stoma has two guard cells, which at later stages fuse to form a single annular guard cell .