The plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?

Identify the plant shown in the figure.

The columella in $Funaria$ is:

The plant group that lives in an amphibious state between algae and pteridophytes is ........

Which of the following has the capacity to absorb water,is used to replace cotton,and is also used as a fuel?

The bryophytes are fundamentally terrestrial plants but require the presence of water to complete their life cycle. The water is needed for
$I.$ dehiscence of antheridia $II.$ liberation of antherozoids
$III.$ transfer of sperms from antheridia to archegonia
$IV.$ opening of archegonial neck $V.$ the movement of antherozoids into the archegonial neck
Which of the statements given above are correct?