Question

___________ is a structure that contains spores and is located on the underside of fern leaves. Basidium Bacillus Cilium Sorus

Answer 1

Sorus is a structure that contains spores and is located on the underside of fern leaves. Sorus is a cluster of sporania. In fungi and lichens, the sorus is surrounded by an external layer. Sorus can be also called a fruit dot.