How many major groups have modern researchers classified the plant kingdom into?

Column-$I$ contains the Series,Column-$II$ contains the Botanical name,and Column-$III$ contains the Common name. Choose the correct option.

Column-$I$	Column-$II$	Column-$III$
$(A)$ Calyciflorae	$(p)$ Helianthus annuus	$(I)$ Rose
$(B)$ Bicarpellatae	$(q)$ Hibiscus rosa-sinensis	$(II)$ Mahua
$(C)$ Inferae	$(r)$ Rosa indica	$(III)$ Sunflower
$(D)$ Disciflorae	$(s)$ Madhuca indica	$(iv)$ Periwinkle
$(E)$ Thalamiflorae	$(t)$ Catharanthus roseus	$(v)$ Lemon
$(F)$ Heteromerae	$(u)$ Citrus limon	$(vi)$ China rose

Which is the most important group of plants on Earth in terms of ecological and economic significance?

When the sperms of $Funaria$ and $Pteris$ are put together near the archegonia of $Pteris$,only the sperms of $Pteris$ readily enter the archegonia and reach the egg. The reason being that

Into which groups are the non-flowering plants (Cryptogams) divided?

Select the mismatched pair from the following.