Q. With reference to the Azooxanthellate Corals, consider the following statements;:
1.They derive nourishment from capturing different forms of plankton.
2.They are restricted to shallow waters.
Which of the statements given above is/are correct?
Answer: A
Notes:
Statement 1 is correct: Azooxanthellate corals are a group of hard corals. They do not contain zooxanthellae and derive nourishment not from the sun but from capturing different forms of planktons.
Statement 2 is incorrect: They are deep-sea representatives with the majority of species being reported from depths between 200 meters and 1,000 meters.
They are also reported from shallow waters, unlike zooxanthellate corals that are restricted to shallow waters.
Source: The Hindu

