Q. Select the mismatch

 647  162 NTA AbhyasNTA Abhyas 2020 Report Error

Solution:

Cycas is a dioecious plant. They produce male cones in male plants and female sporophylls aggregate in a separate plant. The plant of Cycas has a long, erect stem, with a crown of leaves. Coralloid roots are characteristic of this plant which bears cyanobacteria for nitrogen fixation.
Pinus is monoecious plant. Both male and female cones are present in the same plant. This is a tall tree with much branching. This shows the association of mycorrhizae.
Equisetum is a homosporous fern, while Selaginella and Salvinia are heterosporous.