The root system in gymnosperms is typically:

Conifers differ from grasses in that they:

Which one of the following alternatives represents the gametophytic phase in $Pinus$?

Top-shaped,multiciliate male gametes and the mature seed which bears only embryos with two cotyledons are characteristic features of which of the following?

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?

What type of habitat characteristics do $Gymnosperms$ exhibit?