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Which of the following statements is correct?
- a)Fusion of two cells is called Karyogamy.
- b)Fusion of protoplasms between two motile on non-motile gametes is called plasmogamy.
- c)Organisms that depend on living plants are called saprophytes.
- d)Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells.
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements is correct?a)Fusion of two cells is ...
Fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.
Plasmogamy is a process that occurs during sexual reproduction in certain organisms, such as fungi and algae. It involves the fusion of protoplasms, which is the living material of cells, between two gametes. Gametes are specialized cells involved in sexual reproduction that contain half the number of chromosomes compared to the parent cells.
Here are some points to explain why option B is the correct answer:
1. Definition of plasmogamy:
- Plasmogamy is the fusion of protoplasms between two motile or non-motile gametes.
- It is an essential step in the sexual reproduction of certain organisms, particularly fungi and algae.
2. Fusion of protoplasms:
- Protoplasms refer to the living material within cells, including the cytoplasm and nucleus.
- In plasmogamy, the protoplasms of two gametes fuse together.
- This fusion combines the genetic material of the two gametes, leading to the formation of a zygote.
3. Motile and non-motile gametes:
- Gametes can be either motile or non-motile depending on the organism.
- Motile gametes are capable of self-propelled movement, such as sperm cells in animals.
- Non-motile gametes are unable to move independently and rely on external factors, such as water currents, for their transportation.
4. Examples of organisms that undergo plasmogamy:
- Fungi, including yeast and molds, undergo plasmogamy as part of their reproductive cycle.
- Algae, such as certain types of red and green algae, also undergo plasmogamy in their sexual reproduction.
In conclusion, option B is the correct statement because it accurately defines plasmogamy as the fusion of protoplasms between two motile or non-motile gametes. This process is crucial for sexual reproduction in certain organisms, including fungi and algae.
Plasmogamy is a process that occurs during sexual reproduction in certain organisms, such as fungi and algae. It involves the fusion of protoplasms, which is the living material of cells, between two gametes. Gametes are specialized cells involved in sexual reproduction that contain half the number of chromosomes compared to the parent cells.
Here are some points to explain why option B is the correct answer:
1. Definition of plasmogamy:
- Plasmogamy is the fusion of protoplasms between two motile or non-motile gametes.
- It is an essential step in the sexual reproduction of certain organisms, particularly fungi and algae.
2. Fusion of protoplasms:
- Protoplasms refer to the living material within cells, including the cytoplasm and nucleus.
- In plasmogamy, the protoplasms of two gametes fuse together.
- This fusion combines the genetic material of the two gametes, leading to the formation of a zygote.
3. Motile and non-motile gametes:
- Gametes can be either motile or non-motile depending on the organism.
- Motile gametes are capable of self-propelled movement, such as sperm cells in animals.
- Non-motile gametes are unable to move independently and rely on external factors, such as water currents, for their transportation.
4. Examples of organisms that undergo plasmogamy:
- Fungi, including yeast and molds, undergo plasmogamy as part of their reproductive cycle.
- Algae, such as certain types of red and green algae, also undergo plasmogamy in their sexual reproduction.
In conclusion, option B is the correct statement because it accurately defines plasmogamy as the fusion of protoplasms between two motile or non-motile gametes. This process is crucial for sexual reproduction in certain organisms, including fungi and algae.
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Community Answer
Which of the following statements is correct?a)Fusion of two cells is ...
The sexual cycle in fungi involves the three steps:
(i) The fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.
(ii) Fusion of two nuclei called karyogamy.
(iii) Meiosis in zygote resulting in haploid spores.
(i) The fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.
(ii) Fusion of two nuclei called karyogamy.
(iii) Meiosis in zygote resulting in haploid spores.
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Which of the following statements is correct?a)Fusion of two cells is called Karyogamy.b)Fusion of protoplasms between two motile on non-motile gametes is called plasmogamy.c)Organisms that depend on living plants are called saprophytes.d)Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells.Correct answer is option 'B'. Can you explain this answer?
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