Which of the following is grouped under phanerogams?

List some of the plants is given below $:-$
$(i)$ Marchantia $(ii)$ Sphagnum $(iii)$ Pteris $(iv)$ Polytrichum $(v)$ Pinus $(vi)$ Cycas $(vii)$ Castor
In how many above plants do both male and female gametophytes not have an independent free-living existence?

$(i)$ Selaginella and Salvinia are heterosporous plants.
$(ii)$ The gametophyte of pteridophytes is called a prothallus.
$(iii)$ In Cycas,stems are unbranched.
$(iv)$ Gymnosperms are heterosporous.
How many statement$(s)$ is/are correct?

Which of the following is/are grouped under phanerogams?

Find the mismatched pair.

Cryptogamic plants are.......