Which of the following is the smallest gymnosperm?

Select the correct option for the tallest plants among the following groups:
Gymnosperms $\quad\quad$ Angiosperms

Ovules are borne on

Professor Birbal Sahni discovered a fossil plant from the $100$ million-year-old fossil forest located in Rajmahal Hills,Bihar. Which plant was it?

The male cone of $Pinus$ is a modified:

Select the feature that distinguishes $Gnetum$ from $Cycas$ and $Pinus$ and shows affinities with angiosperms.