The plant group that possesses the largest ovules,the largest trees,and the largest gametes is ....

The edible part of the seed of $Pinus$ is:

$Ephedrine$ is obtained from..........

An angiosperm is different from a gymnosperm in the absence of

In which forms are gymnosperms 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?