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

In Pteridophytes, spores are produced in special structures called sporangia. Sporangia are generally found on the undersides of leaves or on specialized leaves called sporophylls.

Leaf-like Structure Bearing Sporangia

The leaf-like structure in Pteridophytes that bears sporangia is called sporophylls. These sporophylls are modified leaves that differ from ordinary leaves in shape, size and structure.

Function of Sporangia

The main function of sporangia is to produce spores. Spores are reproductive units that can give rise to new plants.

Types of Sporangia

Sporangia in Pteridophytes can be of two types - homosporous and heterosporous. In homosporous plants, the sporangia produce a single type of spore, while in heterosporous plants, the sporangia produce two types of spores - microspores and megaspores.

Examples of Pteridophytes

Examples of Pteridophytes include ferns, horsetails, and clubmosses. These plants have a long history of evolution and are some of the earliest plants to have evolved on land.

Conclusion

Thus, the correct answer to the given question is option C, i.e., Sporangia. Sporophylls are the leaf-like structures that bear sporangia, which are responsible for producing spores in Pteridophytes.
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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 dominant form of life is the_______.

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. Pteridophytes are __________ plants.

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