Calyptra is derived from
archaegonia
capsule
antheridia
columella
A.
archaegonia
Calyptra is a small sheath of cells, mainly derived from archaegonia.
Capsule is a sporophytic region of mosses.
Antheridia is a small structure that produces sperms in bryophytes or pteridophytes.
Columella is a large dome- shaped structure present in the centre of sporangium.
The ability of the venus flytrap to capture insects is due to
chemical stimulation by the prey
a passive process requiring no special ability on the part of the plant
specialized "muscle-like" cells
rapid turgor pressure changes
Which of the following is/ are grouped under phanerogams?
Angiosperms
Gymnosperms
Pteridophytes
Both (a) and (b)
Which of the following is not the feature of gymnosperms?
parallel venation
perennial plants
distinct branches (long and short branches)
xylem with vessels
Which on eof the following is a saprophytic bryophyte?
Riccia fluitans
Buxbaumia aphylla
Funaria hygrometrica
Sphagnum