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Leaf like structure in Pteridophytes that bear spores are called as ___________
  • a)
    Sporangia
  • b)
    Pteridophylls
  • c)
    Sporophylls
  • d)
    Sporophyte
Correct answer is option 'A'. Can you explain this answer?
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Leaf like structure in Pteridophytes that bear spores are called as __...
Explanation:

Sporangia in Pteridophytes:
- Sporangia are the leaf-like structures in Pteridophytes that bear spores.
- These structures are responsible for the production and release of spores, which are essential for reproduction in these plants.

Types of Sporangia:
- In Pteridophytes, sporangia are of two types: homosporous and heterosporous.
- Homosporous sporangia produce a single type of spore, while heterosporous sporangia produce two different types of spores - microspores and megaspores.

Structure of Sporangia:
- Sporangia are typically found on the underside of specialized leaves called sporophylls.
- The sporangia are often clustered together in structures called sori, which can be seen as dark dots or lines on the underside of fern leaves.

Function of Sporangia:
- The sporangia contain sporocytes, which undergo meiosis to produce haploid spores.
- These spores are then released into the environment, where they can germinate and develop into gametophytes.

Conclusion:
- Sporangia are essential structures in Pteridophytes for the production and dispersal of spores, which are crucial for the reproductive cycle of these plants.
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Leaf like structure in Pteridophytes that bear spores are called as __...
Sporophytes bear sporangia in leaf like structures called sporophylls. Sporangia further ruptures to form spores that germinate into a gametophyte containing archegonium and antheridium.
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In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution. Direction : In the above questions the Assertions (

In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution.Q. The gametophytes are called as________.

In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution. Q. In pteridophytes the male and female sex organ of the gametophytes are called ________, respectively.

In pteridophytes the sporophyte produces spores through meiosis. The spores are produced by the sporangia in the spore mother cells. These spores germinate to give rise to gametophytes. The gametophytes bear male and female sex organs. Water is required for transfer of antherozoids - the male gametes released from the male sex organ to the mouth of female sex organ. Fusion of male gamete with the egg result in the formation of zygote. Zygote thereafter produces a multicellular well-differentiated sporophyte. In majority of the pteridophytes all the spores are of similar kinds. However, some genera also produce two kinds of spores, macro (larg e) and micro (small) spores. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. In these plants, the female gametophytes are retained on the parent sporophytes for variable periods. The development of the zygotes develop into young embryos within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution.Q. In pteridophytes the dominant form of life is the_______.

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Leaf like structure in Pteridophytes that bear spores are called as ___________a)Sporangiab)Pteridophyllsc)Sporophyllsd)SporophyteCorrect answer is option 'A'. Can you explain this answer?
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