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Auxopores and hormocysts are formed, respectively, by: [2005]
- a)Some diatoms and several cyanobacteria
- b)Some cyanobacteria and diatoms
- c)Several cyanobacteria and several diatoms
- d)Several diatoms and a few cyanobacteria.
Correct answer is option 'D'. Can you explain this answer?
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Auxopores and hormocysts are formed, respectively, by: [2005]a)Some di...
Binary fission in diatoms reduces the size of most daughters which is corrected through the development of auxospores.
In some filamentous cyanobacterial forms unisexual reproduction occurs by hormogonia (hormocysts). They are identified by presence of biconcave (one disk or separation disc between two adjacent cells e.g. Oscillatoria).
In some filamentous cyanobacterial forms unisexual reproduction occurs by hormogonia (hormocysts). They are identified by presence of biconcave (one disk or separation disc between two adjacent cells e.g. Oscillatoria).
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Auxopores and hormocysts are formed, respectively, by: [2005]a)Some di...
**Answer:**
The correct answer is option 'D': Several diatoms and a few cyanobacteria.
**Explanation:**
1. **Auxopores**: Auxopores are formed by several diatoms. Diatoms are a type of unicellular algae that belong to the phylum Bacillariophyta. They are characterized by their unique cell walls made of silica, which are called frustules. Auxospores are specialized cells that are formed during the reproductive process of diatoms. These cells are larger in size compared to the parent cells and play a crucial role in restoring the original size of diatom cells after cell division.
2. **Hormocysts**: Hormocysts are formed by a few cyanobacteria. Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria that can carry out oxygenic photosynthesis. Hormocysts are specialized cells found in some cyanobacteria that are involved in nitrogen fixation. Nitrogen fixation is the process of converting atmospheric nitrogen into a form that can be utilized by plants and other organisms.
Therefore, auxopores are formed by several diatoms, while hormocysts are formed by a few cyanobacteria. This makes option 'D' the correct answer.
The correct answer is option 'D': Several diatoms and a few cyanobacteria.
**Explanation:**
1. **Auxopores**: Auxopores are formed by several diatoms. Diatoms are a type of unicellular algae that belong to the phylum Bacillariophyta. They are characterized by their unique cell walls made of silica, which are called frustules. Auxospores are specialized cells that are formed during the reproductive process of diatoms. These cells are larger in size compared to the parent cells and play a crucial role in restoring the original size of diatom cells after cell division.
2. **Hormocysts**: Hormocysts are formed by a few cyanobacteria. Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria that can carry out oxygenic photosynthesis. Hormocysts are specialized cells found in some cyanobacteria that are involved in nitrogen fixation. Nitrogen fixation is the process of converting atmospheric nitrogen into a form that can be utilized by plants and other organisms.
Therefore, auxopores are formed by several diatoms, while hormocysts are formed by a few cyanobacteria. This makes option 'D' the correct answer.
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Auxopores and hormocysts are formed, respectively, by: [2005]a)Some di...
Becoz auxospore form during sexual reproduction in mostly diatoms but hormocyst form only in filamentous cynobacteria .so D is correct .
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Auxopores and hormocysts are formed, respectively, by: [2005]a)Some diatoms and several cyanobacteriab)Some cyanobacteria and diatomsc)Several cyanobacteria and several diatomsd)Several diatoms and a few cyanobacteria.Correct answer is option 'D'. Can you explain this answer?
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Auxopores and hormocysts are formed, respectively, by: [2005]a)Some diatoms and several cyanobacteriab)Some cyanobacteria and diatomsc)Several cyanobacteria and several diatomsd)Several diatoms and a few cyanobacteria.Correct answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Auxopores and hormocysts are formed, respectively, by: [2005]a)Some diatoms and several cyanobacteriab)Some cyanobacteria and diatomsc)Several cyanobacteria and several diatomsd)Several diatoms and a few cyanobacteria.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Auxopores and hormocysts are formed, respectively, by: [2005]a)Some diatoms and several cyanobacteriab)Some cyanobacteria and diatomsc)Several cyanobacteria and several diatomsd)Several diatoms and a few cyanobacteria.Correct answer is option 'D'. Can you explain this answer?.
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