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प्रश्न
Explain briefly the following term with a suitable example:
Diplontic
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उत्तर
- This type of life cycle is characterised by the dominance of the diploid sporophyte, which is photosynthetic in this phase.
- A greatly reduced number of gametophytes, or gametes alone, generated by meiosis, represent the gametophytic phase.
- For instance, all plants that produce seeds (gymnosperms and angiosperms).
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संबंधित प्रश्न
Mention the ploidy of the following:
Zygote of a fern
Explain briefly the following term with a suitable example:
protonema
Explain briefly the following term with a suitable example:
Antheridium
Explain briefly the following term with a suitable example:
Archegonium
Explain briefly the following term with a suitable example:
Sporophyll
Differentiate between the following:
Liverworts and Moss
Which is NOT a character of bryophytes?
Which of the following play an important role in plant succession on bare rocks or soil?
Amphibians of the plant kingdom are
Gemmae are present in ______
Bryophytes that prevent soil erosion by forming dense mats on the soil are ______.
Protonema is ______.
The plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?
Why are bryophytes called the amphibians of the plant kingdom?
Draw labelled diagrams of
- Female and male thallus of a liverwort.
- Gametophyte and sporophyte of Funaria.
- Alternation of generation in Angiosperm.
In bryophytes, the gemmae help in which one of the following?
