Identify the correct statement:
1. All pseudocoelomates are protostomes
2. All bilaterally symmetrical animals have a coelom
3. All animals have at least a tissue grade organization
4. All radially symmetrical animals are diploblastic

Animals with bilateral symmetry have all the following except:
1. Anterior and posterior end
2. Right and left half
3. Dorsal and ventral surface
4. Oral and aboral surface

Biradial symmetry is seen in members of:
1. Cnidaria
2. Ctenophora
3. Molluska
4. Hemichordata

A cell isolated from a four-cell stage larva can develop into a complete animal in:
1. Snail
2. Earthworm
3. Sea urchin
4. Drosophila

Triploblastic organization, bilateral symmetry but lack of coelom will be seen in:

All the following are features of non chordates except:
1. A dorsal heart, if present
2. Ventral, solid and double central nervous system
3. Absence of gill slits
4. Post anal tail

Identify the incorrectly matched pair:

Cyclostomes: 

Identify the number of animals that do not have homoiothermy from the list given in the box below:

The animals belonging to all the following groups are exclusively marine except: