How many major groups have modern researchers classified the plant kingdom into?

Which of the following algae is an exception regarding its life cycle?

Which of the following plants are referred to as cryptogams?

Read the following statements and answer the question based on them:
$(1)$ In liverworts,mosses,and ferns,the gametophyte is free-living.
$(2)$ Gymnosperms and some ferns are heterosporous.
$(3)$ Sexual reproduction in Fucus,Volvox,and Albugo is oogamous.
$(4)$ The sporophyte in liverworts is more elaborate than in mosses.
How many of the above statements are correct?

Flagellated male gametes are present in all the three of which one of the following sets?

What is the carrier of the male gamete in Pinus, Marchantia, Mango, Chara, and Funaria, respectively?
[where $A = \text{Pollen tube}$, $B = H_2O$]