Selelct one of the following paris of important features distinguishig Gnetum from Cycas and Pinus and showing affinities with angiosperms

Select one of the following pairs of important features distinguishing Gnetum form Cycas and Pinus and showing affinities with angiosperms:

Select one of the following pairs of important features distinguishing Gnetum form Cycas and Pinus and showing affinities with angiosperms:

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinties with angiosperms:

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus are showing affinities with angiosperms

Which one of the following is most important feature of insects :-

Roots show one of the following features :

Which one of the following characteristics can be used to distinguish gymnosperms from angiosperms ?