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 .
A plant having seeds but lacking flowers and fruits belong to
pteridophytes
mosses
ferns
gymnosperms
Pigments common to all algae are
chlorophyll- a and phycobilins
chlorophyll- a and carotenoids
chlorophyll- a and chlorophyll- b
chlorophyll- b and carotenoids
Agar-agar commonly used in bacterial cultures and medication is obtained from :
Sargassum
Gelidium
Ulothrix
Ulva