Assertion $(A)$: $Fucus$ shows a diplontic life cycle.
Reason $(R)$: In $Spirogyra$,the diploid zygote is the dominant and active stage.

Which of the following statements is correct for the given figure?

Which plant group has limited distribution because they are dispersed by spores?

Read the following five statements $(A-E)$ and answer as asked next to them.
$(A)$ In $Equisetum$, the female gametophyte is retained on the parent sporophyte.
$(B)$ In $Ginkgo$, male gametophyte is not independent.
$(C)$ The sporophyte in $Riccia$ is more developed than that in $Polytrichum$.
$(D)$ Sexual reproduction in $Volvox$ is isogamous.
$(E)$ The spores of slime moulds lack cell walls.
How many of the above statements are correct?

Which of the following is true for the given plant?

Which book is considered the starting point of phylogenetic systems of classification?