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

1. Balanoglossus, Saccoglossus

2. Salpa, Doliolum

3. Petromyzon, Myxine

4. Dentalium, Chaetopleura

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

Which of the following is not seen in hemichordates?

1. A tripartite body organization

2. Stomochord

3. Rudimentary notochord

4. Proboscis gland

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

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)

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: