Which one of the following is a saprophytic bryophyte?
Riccia fluitans
Buxbaumia aphylla
Funaria hygrometrica
Sphagnum
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
B.
Gelidium
Agar-agar is a mucilage producedby certain red algae. The main sources of Agar-agar in Japan are the thalli of Gelidium, Gracilaria and Gigartina. It is used in the prepration of certain medicines and in cosmetics, leather and textile industries.