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What is true about Nereis, scorpion, cockroach and silver fish ? [2007]
- a)They all posses dorsal heart
- b)None of them is aquatic
- c)They all belong to the same phylum
- d)They all have jointed paired appendages
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
What is true about Nereis, scorpion, cockroach and silver fish ? [2007...
Nereis, scorpion, cockroach and silver fish are all invertebrates and thus possess dorsal heart. Nereis j is a marine animal while other animals mentioned in the j question are terrestrial. Nereis belongs to phylum annelida while rest of the animals belong to phylum arthropoda. Jointed appendages are present in ! scorpion, cockroach and silver fish.
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Most Upvoted Answer
What is true about Nereis, scorpion, cockroach and silver fish ? [2007...
Dorsal Heart in Nereis, Scorpion, Cockroach, and Silverfish
Explanation:
Nereis, scorpion, cockroach, and silverfish are all different organisms belonging to different phyla. However, they all possess a dorsal heart. Let's understand what a dorsal heart is and how it is present in these organisms.
Dorsal Heart:
A dorsal heart is a type of circulatory system in which the heart is located on the dorsal side of the organism's body. In this type of system, blood flows from the heart to the organs and tissues through arteries, and then returns to the heart through veins. This type of circulatory system is found in arthropods, including insects, crustaceans, and some other invertebrates.
Presence of Dorsal Heart in Nereis, Scorpion, Cockroach, and Silverfish:
1. Nereis:
Nereis is a marine worm belonging to the phylum Annelida. It possesses a dorsal heart that pumps blood through the body.
2. Scorpion:
Scorpions are arachnids belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
3. Cockroach:
Cockroaches are insects belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
4. Silverfish:
Silverfish are small, wingless insects belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
Conclusion:
In conclusion, we can say that all the given organisms, i.e., Nereis, scorpion, cockroach, and silverfish, possess a dorsal heart. This type of circulatory system is common in arthropods and some other invertebrates.
Explanation:
Nereis, scorpion, cockroach, and silverfish are all different organisms belonging to different phyla. However, they all possess a dorsal heart. Let's understand what a dorsal heart is and how it is present in these organisms.
Dorsal Heart:
A dorsal heart is a type of circulatory system in which the heart is located on the dorsal side of the organism's body. In this type of system, blood flows from the heart to the organs and tissues through arteries, and then returns to the heart through veins. This type of circulatory system is found in arthropods, including insects, crustaceans, and some other invertebrates.
Presence of Dorsal Heart in Nereis, Scorpion, Cockroach, and Silverfish:
1. Nereis:
Nereis is a marine worm belonging to the phylum Annelida. It possesses a dorsal heart that pumps blood through the body.
2. Scorpion:
Scorpions are arachnids belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
3. Cockroach:
Cockroaches are insects belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
4. Silverfish:
Silverfish are small, wingless insects belonging to the phylum Arthropoda. They possess a dorsal heart that pumps blood through the body.
Conclusion:
In conclusion, we can say that all the given organisms, i.e., Nereis, scorpion, cockroach, and silverfish, possess a dorsal heart. This type of circulatory system is common in arthropods and some other invertebrates.
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Community Answer
What is true about Nereis, scorpion, cockroach and silver fish ? [2007...
Neries (belonging to class polychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.
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What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer?
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What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer?.
What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is true about Nereis, scorpion, cockroach and silver fish ? [2007]a)They all posses dorsal heartb)None of them is aquaticc)They all belong to the same phylumd)They all have jointed paired appendagesCorrect answer is option 'A'. Can you explain this answer?.
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