Question
Download Solution PDFIdentify the organism that is NOT a pseudocoelomate.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Scorpions.
Key Points
- The coelom is the fluid-filled cavity between the body wall and the gut wall.
- The coelom is lined by mesoderm.
- The coelom is one of the characteristic features of metazoans.
- Based on the presence or absence of coelom, organisms are classified into three groups:
- Coelomates
- Pseudocoelomates
- Acoelomates
- In Pseudocoelomates, the body cavity is not lined by mesoderm.
- Aschelminthes are pseudocoelomate organisms.
Additional Information
- The coelom is the principal body cavity in most animals, located between the intestinal canal and the body wall.
- Coelomates refer to animals having fluid-filled body cavities called coeloms located within the mesoderm. Annelids, molluscs, arthropods, and echinoderms are some examples of Coelomates.
- Pseudocoelom means "false coelom" or "false cavity".
Last updated on Jul 7, 2025
-> The SSC CGL Notification 2025 for the Combined Graduate Level Examination has been officially released on the SSC's new portal – www.ssc.gov.in.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.