47 public questions tagged with this topic.
In mosses, the protonema, which develops from spores, gives rise to the leafy gametophyte. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Bryophytes are called the amphibians of the plant kingdom because they require water for sexual reproduction.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Plant Kingdom - Comparative Studies and Economic Importance
The gametophyte in bryophytes is thallus-like and may possess root-like, leaf-like, or stem-like structures.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
The gametophyte is the dominant, photosynthetically active, and independent phase in bryophytes.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
The protonema is the first stage in moss development, emerging directly from the spore.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
The archegonium, the female sex organ in bryophytes, is flask-shaped and produces one egg.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
Rhizoids in bryophytes anchor the plant to the substrate and absorb water, performing a function similar to roots.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
The male gametes (antherozoids) in bryophytes are biflagellate and produced by the antheridium.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
Bryophytes lack true roots; their gametophyte is attached by unicellular or multicellular rhizoids.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
In liverworts, the male gamete (antherozoid) is motile, but the egg is non-motile; the statement implies both gametesâ motility is incorrect.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
The sporophyte in liverworts lacks true roots and stems; it is simple, with a foot, seta, and capsule.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
Gemmae, asexual buds in liverworts, detach from the parent and germinate to form new individuals.
Ref: NCERT Class 11 Biology Chapter 3: Plant Kingdom Angiosperms and Plant Life Cycles - Alternation of Generations
