The botanical name of Sanjeevani is:

In $Selaginella$,the embryo develops into:

If the number of chromosomes in the foot of a fern embryo is $8$,what should be the number of chromosomes in its spores?

In some of the pteridophytes and gymnosperms,the sporophylls aggregate at the apices of the main stem or its branches to form definite compact structures. These compact structures are called:

Sporangia are associated with sporophylls. In $P$ plants,sporophylls are distinct,while in $Q$ plants,sporophylls form compact structures called strobili or cones.
$P \quad Q$

Which of the following plants are vascular but seedless?