Describe the gametophytic phase exhibited by moss.

1.	Describe the gametophytic phase exhibited by moss.
Answer» The predominant stage in the life cycle of moss is the gametophyte which consists of two stages: (a) The first stage is the protonema stage which develops directly from a spore; it is a creeping, green branched and flamentous stage. (b) The second stage is the leafy stage which develops from the secondary protonema as a lateral bud. The leafy stage consist of upright, slender axes bearing spirally arranged leaves and bears the sex organs.

Answer»

The predominant stage in the life cycle of moss is the gametophyte which consists of two stages:

(a) The first stage is the protonema stage which develops directly from a spore; it is a creeping, green branched and flamentous stage.

(b) The second stage is the leafy stage which develops from the secondary protonema as a lateral bud. The leafy stage consist of upright, slender axes bearing spirally arranged leaves and bears the sex organs.

Discussion

No Comment Found

Related InterviewSolutions

Photosynthetic part of the phaeophyceae thallus Is called as (a) holdfast (b) stipes (c) lamina (d) fronds
Which of the plant group has gametophyte as a dominant phase? (a) Pteridophytes (b) Bryophytes (c) Gymnosperm (d) Angiosperm
Which is not a cryptogam? (a) Algae(b) Bryophytes (c) Pteridophyta (d) Angiospermae
Haplodiplontic life cycle is seen in …………… . (a) algae(b) gymnosperm (c) bryophytes (d) angiosperm
What Is amber? Which group of plants produce amber?
Distinguish between Protostele & Siphonostele.
Which period, does the gymnosperm dominate the Earth?
Define Siphonogamous condition.
Distinguish between Manoxylic & Pycnoxylic.
Why do we use the term ‘form genera’ for fossil plants?

Describe the gametophytic phase exhibited by moss.

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment