NEET Exam > NEET Questions > Read the following statements:(a) Metagenesis...
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Read the following statements:
(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.
Options:
(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.
Options:
- a)(a), (d) and (e) are correct
- b)(b), (c) and (e) are correct
- c)(c), (d) and (e) are correct
- d)(a), (b) and (c) are correct
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Read the following statements:(a) Metagenesis is observed in Helminths...
Understanding the Statements
To analyze the correctness of each statement, we need to understand the biological classifications and characteristics of the organisms mentioned.
Statement Analysis
- (a) Metagenesis is observed in Helminths.
- Incorrect: Metagenesis, or alternation of generations, is commonly seen in organisms like corals and jellyfish, not specifically in Helminths (flatworms and roundworms).
- (b) Echinoderms are triploblastic and coelomate animals.
- Correct: Echinoderms, such as starfish and sea urchins, have three germ layers (ectoderm, mesoderm, and endoderm) making them triploblastic. They also possess a true coelom, which is a body cavity lined with mesoderm.
- (c) Round worms have organ-system level of body organization.
- Correct: Roundworms (Nematodes) exhibit a complex organization with differentiated organs and systems, indicating an organ-system level of body organization.
- (d) Comb plates present in ctenophores help in digestion.
- Incorrect: Comb plates, or ctenes, in ctenophores (comb jellies) are primarily for locomotion, not digestion.
- (e) Water vascular system is characteristic of Echinoderms.
- Correct: The water vascular system is a unique feature of Echinoderms, facilitating movement and feeding through hydraulic pressure.
Conclusion
Based on the analysis:
- Correct Statements: (b), (c), and (e)
Thus, the correct answer is option b: (b), (c), and (e) are correct. This classification emphasizes the biological complexity and unique features of Echinoderms and Nematodes, highlighting their evolutionary significance.
To analyze the correctness of each statement, we need to understand the biological classifications and characteristics of the organisms mentioned.
Statement Analysis
- (a) Metagenesis is observed in Helminths.
- Incorrect: Metagenesis, or alternation of generations, is commonly seen in organisms like corals and jellyfish, not specifically in Helminths (flatworms and roundworms).
- (b) Echinoderms are triploblastic and coelomate animals.
- Correct: Echinoderms, such as starfish and sea urchins, have three germ layers (ectoderm, mesoderm, and endoderm) making them triploblastic. They also possess a true coelom, which is a body cavity lined with mesoderm.
- (c) Round worms have organ-system level of body organization.
- Correct: Roundworms (Nematodes) exhibit a complex organization with differentiated organs and systems, indicating an organ-system level of body organization.
- (d) Comb plates present in ctenophores help in digestion.
- Incorrect: Comb plates, or ctenes, in ctenophores (comb jellies) are primarily for locomotion, not digestion.
- (e) Water vascular system is characteristic of Echinoderms.
- Correct: The water vascular system is a unique feature of Echinoderms, facilitating movement and feeding through hydraulic pressure.
Conclusion
Based on the analysis:
- Correct Statements: (b), (c), and (e)
Thus, the correct answer is option b: (b), (c), and (e) are correct. This classification emphasizes the biological complexity and unique features of Echinoderms and Nematodes, highlighting their evolutionary significance.
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Community Answer
Read the following statements:(a) Metagenesis is observed in Helminths...
(a) Metagenesis is observed in Helminths: Incorrect. Metagenesis refers to the alternation of generations between asexual and sexual phases, observed in cnidarians, not in helminths.
(b) Echinoderms are triploblastic and coelomate animals: Correct. Echinoderms have three germ layers (triploblastic) and a true coelom.
(c) Round worms have organ-system level of body organization: Correct. Roundworms (nematodes) have an organ-system level of organization.
(d) Comb plates present in ctenophores help in digestion: Incorrect. Comb plates (ctenes) in ctenophores are used for locomotion, not digestion.
(e) Water vascular system is characteristic of Echinoderms: Correct. The water vascular system is a unique feature of echinoderms.
Thus, the correct answer is Option B.
(b) Echinoderms are triploblastic and coelomate animals: Correct. Echinoderms have three germ layers (triploblastic) and a true coelom.
(c) Round worms have organ-system level of body organization: Correct. Roundworms (nematodes) have an organ-system level of organization.
(d) Comb plates present in ctenophores help in digestion: Incorrect. Comb plates (ctenes) in ctenophores are used for locomotion, not digestion.
(e) Water vascular system is characteristic of Echinoderms: Correct. The water vascular system is a unique feature of echinoderms.
Thus, the correct answer is Option B.
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Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer?
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Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. 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 Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer?.
Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. 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 Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer?.
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ample number of questions to practice Read the following statements:(a) Metagenesis is observed in Helminths.(b) Echinoderms are triploblastic and coelomate animals.(c) Round worms have organ-system level of body organization.(d) Comb plates present in ctenophores help in digestion.(e) Water vascular system is characteristic of Echinoderms.Options:a)(a), (d) and (e) are correctb)(b), (c) and (e) are correctc)(c), (d) and (e) are correctd)(a), (b) and (c) are correctCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice NEET tests.
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