GK QUESTION#3585
Consider the following statements about certain cnidarians:
1. Pennatula is a genus of sea pens, colonial marine cnidarians with a feather-like appearance.
2. Adamsia is a genus of soft corals, belonging to phylum Cnidaria.
3. Gorgonia is a genus of soft corals, while Obelia is a genus of colonial hydroids.
Which of the statements given above is/are correct?
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Answer
B. 1 and 3 only
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Explanation
Statements 1 and 3 are correct. Pennatula is a sea-pen genus and Gorgonia a sea-fan octocoral genus. Obelia is a colonial hydroid. Adamsia is a sea anemone, so the description of it as a soft coral is incorrect.