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
Iodine is obtained from
Laminaria
Chlorella
Polysiphonia
Porphyra
A.
Laminaria
Brown algae such as Laminaria, Macrocystis, Fucus etc are the main source of iodine.