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Consider the following statements about coral reefs: 1. Corals are a kind of calcareous rock chiefly made of the skeletons of minute sea organisms called 'polyps' 2. Corals can only live in fresh water 3. For growth of corals the depth of the water should not exceed 200 m 4. The water temperature for most favourable growth of corals is 23-25 degree Celsius Which of the above is/are correct? Choose your answer by using the code given below:
This question appeared in the MNPSC Prelims 2016 examination (GS). It is Question 48 out of 200 questions in this paper.
This question was part of the MNPSC Prelims 2016 (GS). The MNPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all MNPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.