Match the column I and column II.
Column I Column II
a. Archaeocytes (i) Obelia
b. Collar cells (ii) Totipotent
c. Sea fur (iii) Sycon
d. Portuguese man of war (iv) Gastrovasular cavity
a b c d
1. (iv) (i) (iii) (ii)
2. (i) (ii) (iii) (iv)
3. (ii) (iii) (i) (iv)
4. (iv) (ii) (iii) (i)

Moderate

Solution

Archaeocytes are totipotent cells, capable of giving rise to any other cell type.
Choanocytes or collar cells line the spongocoel and the canals in the sponges e.g., Sycon.
Sea fur is the common name of Obelia.
Portuguese man of war belong to phylum Cnidaria. Cnidarians have a central gastro-vascular cavity with a single opening, mouth on hypostome.

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