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Which among the following is incorrect about classification on the basis of coelom?
- a)Coelom is the cavity between the body wall and gut wall
- b)Animals are divided into coelomates, acoelomates and pseudocoelomates
- c)Coelom is the fluid filled space other than lymph vessels and blood vessels
- d)In coelomates, cavities between the gut wall and mesoderm is absent
Correct answer is option 'D'. Can you explain this answer?
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Which among the following is incorrect about classification on the bas...
Incorrect Option: D. In coelomates, cavities between the gut wall and mesoderm are absent
Coelom is a fluid-filled body cavity that is present in many organisms. It is derived from the mesoderm and is completely lined with mesodermal tissue. The presence or absence of a coelom plays a significant role in the classification of animals. Let's understand why option D is incorrect.
Understanding Coelom
Coelom is a space present between the body wall and the gut wall of an organism. It is derived from the mesoderm during the embryonic development. The coelom is completely lined with mesodermal tissue and contains various organs and systems. It provides space for organ movement, cushioning, and protection.
Classification Based on Coelom
Animals can be classified into three categories based on the presence and structure of the coelom:
1. Coelomates: These animals possess a true coelom. The coelom is completely lined with mesodermal tissue and is surrounded by the gut. Examples of coelomates include annelids, mollusks, arthropods, and chordates.
2. Acoelomates: Acoelomates are animals that lack a true coelom. These organisms have a solid body, and the space between the body wall and the gut is filled with tissue. Acoelomates include flatworms (such as planarians) and other primitive invertebrates.
3. Pseudocoelomates: Pseudocoelomates have a false coelom. The coelom in these organisms is not completely lined with mesodermal tissue, but instead, it is lined partially by mesoderm and partially by endoderm. Examples of pseudocoelomates include roundworms (such as nematodes) and rotifers.
Explanation of Incorrect Option
Option D states that in coelomates, cavities between the gut wall and mesoderm are absent. However, this statement is incorrect because coelomates have a true coelom that is completely lined by mesodermal tissue. The coelom is present between the gut wall and the mesoderm, providing a fluid-filled space for organ movement and protection.
The correct statement regarding coelomates would be that they have a well-developed coelom between the gut wall and the mesoderm. This coelom is responsible for various functions like organ movement, circulation of fluids, and protection.
In conclusion, option D is incorrect because coelomates do have a coelom between the gut wall and the mesoderm.
Coelom is a fluid-filled body cavity that is present in many organisms. It is derived from the mesoderm and is completely lined with mesodermal tissue. The presence or absence of a coelom plays a significant role in the classification of animals. Let's understand why option D is incorrect.
Understanding Coelom
Coelom is a space present between the body wall and the gut wall of an organism. It is derived from the mesoderm during the embryonic development. The coelom is completely lined with mesodermal tissue and contains various organs and systems. It provides space for organ movement, cushioning, and protection.
Classification Based on Coelom
Animals can be classified into three categories based on the presence and structure of the coelom:
1. Coelomates: These animals possess a true coelom. The coelom is completely lined with mesodermal tissue and is surrounded by the gut. Examples of coelomates include annelids, mollusks, arthropods, and chordates.
2. Acoelomates: Acoelomates are animals that lack a true coelom. These organisms have a solid body, and the space between the body wall and the gut is filled with tissue. Acoelomates include flatworms (such as planarians) and other primitive invertebrates.
3. Pseudocoelomates: Pseudocoelomates have a false coelom. The coelom in these organisms is not completely lined with mesodermal tissue, but instead, it is lined partially by mesoderm and partially by endoderm. Examples of pseudocoelomates include roundworms (such as nematodes) and rotifers.
Explanation of Incorrect Option
Option D states that in coelomates, cavities between the gut wall and mesoderm are absent. However, this statement is incorrect because coelomates have a true coelom that is completely lined by mesodermal tissue. The coelom is present between the gut wall and the mesoderm, providing a fluid-filled space for organ movement and protection.
The correct statement regarding coelomates would be that they have a well-developed coelom between the gut wall and the mesoderm. This coelom is responsible for various functions like organ movement, circulation of fluids, and protection.
In conclusion, option D is incorrect because coelomates do have a coelom between the gut wall and the mesoderm.
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Which among the following is incorrect about classification on the bas...
Coelom is the cavity between the body wall and gut wall. It is the fluid filled space other than lymph vessels and blood vessels. Animals are divided into coelomates, acoelomates and pseudocoelomates based on the presence or absence of the coelom or false coelom respectively.
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Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect answer is option 'D'. Can you explain this answer?
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Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect 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 Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect 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 Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect answer is option 'D'. Can you explain this answer?.
Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect 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 Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect 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 Which among the following is incorrect about classification on the basis of coelom?a)Coelom is the cavity between the body wall and gut wallb)Animals are divided into coelomates, acoelomates and pseudocoelomatesc)Coelom is the fluid filled space other than lymph vessels and blood vesselsd)In coelomates, cavities between the gut wall and mesoderm is absentCorrect answer is option 'D'. Can you explain this answer?.
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