Which of the following is not seen in hemichordates?

1. A tripartite body organization

2. Stomochord

3. Rudimentary notochord

4. Proboscis gland

In which of the following animals, the body is cylindrical and is composed of an anterior proboscis, a collar, and a long trunk?

1. Hemichordates

2. Urochordates

3. Cephalochordates

4. Vertebrate chordates

Match the organism in Column-I with its excretory structure in Column-II

1. (A)$\to$(s),(B)$\to$(p),(C)$\to$(q),(D)$\to$(r)

2. (A)$\to$(s),(B)$\to$(p),(C)$\to$(r),(D)$\to$(q)

3. (A)$\to$(q),(B)$\to$(p),(C)$\to$(r), (D)$\to$(s)

4. (A)$\to$(s), (B)$\to$(q),(C)$\to$(r),(D)$\to$(p)

Which of the following set of animals belong the phylum hemichordate?

1. Balanoglossus, Saccoglossus

2. Salpa, Doliolum

3. Petromyzon, Myxine

4. Dentalium, Chaetopleura

Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Codes:

Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Similarity between protochordata and hemichordata is
1. Presence of notochord.
2. Exclusively marine.
3. Dorsal hollow and single central nervous system.
4. Exclusively parasitic.