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The antherozoids of Dryopteris are
- a)Biciliate and coiled
- b)Biciliate and sickle shaped
- c)Multiciliate ad sickle shaped
- d)Multiciliate and coiled
Correct answer is option 'C'. Can you explain this answer?
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The antherozoids of Dryopteris area)Biciliate and coiledb) Biciliate a...
The antherozoids of Dryopteris
The antherozoids of Dryopteris are multiciliate and sickle-shaped.
Explanation:
- Antherozoids: Antherozoids are the male gametes or sperm cells of plants, which are produced in the antheridia. They are typically flagellated cells that are responsible for fertilizing the egg during sexual reproduction.
- Dryopteris: Dryopteris is a genus of ferns that belongs to the family Dryopteridaceae. It is commonly known as wood ferns and includes various species.
- Multiciliate: The antherozoids of Dryopteris are multiciliate, which means they possess multiple cilia or flagella. Cilia are hair-like structures that help in cell movement.
- Sickle-shaped: The antherozoids of Dryopteris are also sickle-shaped. Sickle-shaped refers to a curved or crescent shape, similar to the shape of a sickle or a crescent moon.
- Importance of multiciliate and sickle-shaped antherozoids: The multiciliate nature of antherozoids allows them to move by beating their cilia, which aids in their mobility towards the egg for fertilization. The sickle shape of antherozoids may help in facilitating their movement through the surrounding fluid or mucilage, enabling them to swim towards the egg more effectively.
Therefore, the antherozoids of Dryopteris are multiciliate and sickle-shaped, allowing them to efficiently reach and fertilize the egg during the process of sexual reproduction in this fern genus.
The antherozoids of Dryopteris are multiciliate and sickle-shaped.
Explanation:
- Antherozoids: Antherozoids are the male gametes or sperm cells of plants, which are produced in the antheridia. They are typically flagellated cells that are responsible for fertilizing the egg during sexual reproduction.
- Dryopteris: Dryopteris is a genus of ferns that belongs to the family Dryopteridaceae. It is commonly known as wood ferns and includes various species.
- Multiciliate: The antherozoids of Dryopteris are multiciliate, which means they possess multiple cilia or flagella. Cilia are hair-like structures that help in cell movement.
- Sickle-shaped: The antherozoids of Dryopteris are also sickle-shaped. Sickle-shaped refers to a curved or crescent shape, similar to the shape of a sickle or a crescent moon.
- Importance of multiciliate and sickle-shaped antherozoids: The multiciliate nature of antherozoids allows them to move by beating their cilia, which aids in their mobility towards the egg for fertilization. The sickle shape of antherozoids may help in facilitating their movement through the surrounding fluid or mucilage, enabling them to swim towards the egg more effectively.
Therefore, the antherozoids of Dryopteris are multiciliate and sickle-shaped, allowing them to efficiently reach and fertilize the egg during the process of sexual reproduction in this fern genus.
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The antherozoids of Dryopteris area)Biciliate and coiledb) Biciliate a...
Antherozoids of Dryopteris (fern) are coiled and multiflagellate. Dryopteris has a mature antheridium made up of a jacket layer and composed of two ring - shaped cells having either one or two cap cells. Inside the jacket layer 20 to 50 large spirally coiled antherozoids are there. The antherozoids are motile and multiciliate.
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The antherozoids of Dryopteris area)Biciliate and coiledb) Biciliate and sickle shapedc)Multiciliate ad sickle shapedd)Multiciliate and coiledCorrect answer is option 'C'. Can you explain this answer?
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