The genus $Sequoia$ belongs to which of the following orders?

Coralloid roots help $Cycas$ in:

In which plant group are the sporophylls arranged on a central axis to form distinct compact structures called strobili or cones?

Identify the part labeled '$B$' in the given figure.

Plants in which seeds are produced on megasporophylls and are not enclosed by fruits are included in ........

Coralloid roots of $Cycas$ are distinguished from angiosperm roots by