- 1(current)
Q. No.Regarding the body cavity (coelom) in animals, analyze the following statements:
Statement I: Pseudocoelomates have body cavity lined by mesoderm on both sides.
Statement II: Aschelminthes (e.g., Ascaris) are pseudocoelomates with fluid-filled cavity between the body wall and alimentary canal.
Statement III: Annelids are true coelomates with a coelom lined by mesoderm and containing coelomic fluid.
Which of the above statements is/are CORRECT?
1. Only I and II
2. Only III
3. Only I and III
4. Only II and III
Statement I: Pseudocoelomates have body cavity lined by mesoderm on both sides.
Statement II: Aschelminthes (e.g., Ascaris) are pseudocoelomates with fluid-filled cavity between the body wall and alimentary canal.
Statement III: Annelids are true coelomates with a coelom lined by mesoderm and containing coelomic fluid.
Which of the above statements is/are CORRECT?
1. Only I and II
2. Only III
3. Only I and III
4. Only II and III
Subtopic: Basis of classification |
Level 3: 35%-60%
Please attempt this question first.
Hints
Analyze the following statements regarding circulatory systems in animals:
Statement I: Arthropods and Molluscs (except Cephalopods) have open circulatory systems where blood flows through hemocoel.
Statement II: Annelids and Cephalopod molluscs have closed circulatory systems with blood flowing through vessels.
Statement III: Insects have a well-developed blood vascular system that transports oxygen to tissues.
Which statement(s) is/are CORRECT?
1. Only II and III
2. Only I and II
3. Only I and III
4. All I, II and III
Statement I: Arthropods and Molluscs (except Cephalopods) have open circulatory systems where blood flows through hemocoel.
Statement II: Annelids and Cephalopod molluscs have closed circulatory systems with blood flowing through vessels.
Statement III: Insects have a well-developed blood vascular system that transports oxygen to tissues.
Which statement(s) is/are CORRECT?
1. Only II and III
2. Only I and II
3. Only I and III
4. All I, II and III
Subtopic: Basis of classification |
Level 3: 35%-60%
Please attempt this question first.
Hints
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.