Which one of the following statements about certain given animals is correct?

1. Roundworms (Aschelminthes) are pseudocoelomates.

2. Mollusks are acoelomates.

3. Insects are pseudocoelomates.

4. Flatworms (Platyhelminthes) are coelomates.

Subtopic:  Phylum Aschelminthes |
 90%
Level 1: 80%+
AIPMT - 2010
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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

1. Coelenterates (cnidarians)

2. Ascheminthes (roundworms)

3. Ctenophores

4. Sponges

Subtopic:  Phylum Aschelminthes |
 93%
Level 1: 80%+
AIPMT - 2009
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Ascaris is characterized by:
1. absence of true coelom but the presence of metamerism
2. presence of neither true coelom nor metamerism
3. presence of true coelom but the absence of metamerism
4. presence of true coelom and metamerism (metamerisation)

Subtopic:  Phylum Aschelminthes |
 69%
Level 2: 60%+
AIPMT - 2008
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