In which of the following are elaters found in the mature spore capsule to assist in spore dispersal?

In $Bryophytes$,which stage produces diploid,heterosporous spores?

Which of the following is true for the sporophyte stage of $Riccia$?

Read the following statements$-$
$(i)$ The plant body of bryophytes is less differentiated than that of algae.
$(ii)$ The main plant body of the bryophytes is haploid.
$(iii)$ Sex organs in bryophytes are unicellular.
$(iv)$ Zygotes do not undergo reduction division immediately in bryophytes.
$(v)$ Bryophytes depend on insects for sexual reproduction.
How many of the above statements are correct?

The centre of the moss axis is occupied by

Which of the following is correct for '$X$' in the given chart? (The chart classifies non-flowering plants into Thallophyta,Bryophyta,and Pteridophyta)