Pteridophyta

In which of the following would you place the plants having vascular tissue lacking seeds?

Pteridophytes differ from mosses/bryophytes in possessing:

A mature ligule, having a prominent basal portion, is called

Which of the following will you keep in the group of true terrestrial plants. 

Pteridophytes are the land plants that first developed the seed habit.

Pteridophytes are the first vascular plants in course of evolution.

Pteridophytes are also called the "Amphibians of the plant Kingdom".

Pteridophytes are also called the snakes of plant Kingdom. Why?

Assertion : Adiantum caudatum is a walking fern.
Reason : Adiantum grows vegetatively by their leaf tips.

Heterospory is exhibited by which among the following?

Statement I: The leaves in Pteridophyta are small (microphylls) as in Selaginella or large (macrophylls) as in ferns.
Statement II: In the majority of the Pteridophytes, all the spores are of different kinds; such plants are called heterosporous.

In which category would you place a plant having vascular supply, producing spores but lacks seed.

Select the option that shows presence of etophloic siphonostele in them.

What is a mature ligule with a prominent basal portion called?

What is the name given to the gametophyte that is not formed by spores but by any other part of sporophyte?

When does meiosis occur in Selaginella?

When does meiosis occurs in Dryopteris?

Identify the incorrect match.

Identify the group which consists of plants having vascular tissue lacking seeds.