Thank you for reporting, we will resolve it shortly
Q.
Both heterospoiy and cirdnate plyxis occur in
Punjab PMETPunjab PMET 2009
Solution:
Cycas and Pinus both are heterosporous plants because they produce two types of spores megaspores and microspores. But circinate ptyxis is present in Cycas only. In circinate ptyxis, the leaf in a young stage coils in a special manner.