Plant KingdomHard

Question

Which one of the following is considered important in the development of seed habit ?

Options

A.Dependent sporophyte
B.Heterospory
C.Haplontic life cycle
D.Free-ivng gametophye

Solution

Heterospory is the production of spores of two different sizes and of two different developmen tal patterns. Heterospory is an expression of sex deteminig spores of the plant. Ti is the impor tant evolutionary development in the vascular plants because it has ultimately lead to seed development , eg , Selaginella, Salviinia,Azolla, etc.

Create a free account to view solution

View Solution Free
Topic: Plant Kingdom·Practice all Plant Kingdom questions

More Plant Kingdom Questions

Sometimes a ladder like structure in Spirogyra is formad due to....Which of these is hygroscopic...In gymnosperms, the pollen chamber represents...Virus was first discovered by a Russian botanist in 1892. He was...Which of the followihg plants produces seeds but not flowers ?...