CBSE
Male gamete in angiosperm is produced by
generative cell
microspore cell
vegetative cell
tube cell
Which of the following is/ are grouped under phanerogams?
Angiosperms
Gymnosperms
Pteridophytes
Both (a) and (b)
Phytochrome is present in
vascular cryptogam
prokaryotes
flowering plants
algae
Iodine is obtained from
Laminaria
Chlorella
Polysiphonia
Porphyra
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
Vessels and companion cells are found in
angiosperm
pteridophytes
bryophytes
thallophytes
Agar- agar is obtained from
Chlorella
Spirogyra
Ulothrix
Gelidium
Which of the following is not the feature of gymnosperms?
parallel venation
perennial plants
distinct branches (long and short branches)
xylem with vessels
Calyptra is derived from
archaegonia
capsule
antheridia
columella
Which on eof the following is a saprophytic bryophyte?
Riccia fluitans
Buxbaumia aphylla
Funaria hygrometrica
Sphagnum