Which one of the following is not a characteristic of phylum-Annelida?

1. Closed circulatory system

2. Segmentation

3. Pseudocoelom

4. Ventral nerve cord

In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

Which of the following animals exhibit all these characters – bilateral symmetry, triploblastic, segmented and eucoelomate?

1.  Echinoderms

2.  Roundworms

3.  Molluscs

4.  Annelids

From the given statements which of the following
statement(s) is/are incorrect for Annelida?
a. Pseudometameric segmentation present
b. Coelomic fluid acts as a hydrostatic skeleton
c. They possess longitudinal and circular muscles
which help in locomotion
d. Neural system consists of paired ganglia connected
by lateral nerves to a single ventral nerve chord

1. a & b only

2. b & c only

3. a only

4. a & d only

Annelids do not represent:-

1.  Circumpharyngeal nerve ring

2.  Longitudinal muscles in the gut

3.  Metameric segmentation

4.  Mesodermal pouches in body cavity

See the following diagrams carefully and these animals are

1. Sycon, Leucosolenia

2. Hydra, Aurelia

3. Nereis, Hirudinaria

4. Fasciola, Taenia

Match List - I with List - II

Choose the correct answer from the options given below: