Mosses are attached to substratum by :
roots
capsule
rhizoids
cistron
C.
rhizoids
Mosses are bryophytes with gametophytic plant body. They use rhizoids for anchoring to the substratum.
Prothallus of fem has :
antheridia and archegonia on lower surface
antheridia and archegonia on upper surface
antheridia on upper surface and archegonia on lower
antheridia on lower surface and archegonia on upper surface
Agar-agar commonly used in bacterial cultures and medication is obtained from :
Sargassum
Gelidium
Ulothrix
Ulva
Rarely among angiosperms the pollen grains influenced the endosperm. This is called as :
Metaxenia
Nemec phenomenon
Xenia
Mesogamy
A bryophyte which harbours a nitrogen fixing blue-green alga in its thallus is :
Pogonatum
Riccia
Marchantia
Anthoceros
Pigments common to all algae are
chlorophyll- a and phycobilins
chlorophyll- a and carotenoids
chlorophyll- a and chlorophyll- b
chlorophyll- b and carotenoids
A plant having seeds but lacking flowers and fruits belong to
pteridophytes
mosses
ferns
gymnosperms