Among the following,which does not belong to the sporophytic generation in $Pinus$?

In which of the following gymnosperms is a bitegmic (two-integumented) ovule found?

Each plant or group of plants has some phylogenetic significance in relation to evolution. $Cycas$,one of the few living members of gymnosperms,is called the 'relic of the past'. Can you establish a phylogenetic relationship of $Cycas$ with any other group of plants that justifies the above statement?

Needle-like foliage leaves are found in

Mycorrhiza is a symbiotic association between the roots of higher plants and which of the following?

Plants in which seeds are produced on megasporophylls and are not enclosed by fruits are included in which group?