In the sporangium of $..........$,a specialized structure called columella is found.

Which of the following groups produces spores but lacks vascular tissues?

Which of the following statements is correct?

Which of the following matches is correct?

In $Ascomycetes$ and $Basidiomycetes$,the dikaryotic cell is .....

Assertion $(A)$: Fungi are either parasitic or saprophytic.
Reason $(R)$: Some fungi obtain nutrients from living organisms,while others obtain them from decaying organic matter.