|With reference to corals, consider the following statements.|
|1. Coral are marine invertebrate species.|
|2. Corals secrete calcium carbonate which form outer skeleton.|
|3. Corals grow in shallow waters so as to absorb sunlight for photosynthesis to produce their food.|
|Which of the statements given above are correct?|
A) 1 and 2
B) 2 and 3
C) 1 and 3
D) All of these
Correct Answer: A
Solution :[a] Live coral are colonies of small animals embedded in calciur carbonate shells. It is a mistake to think of coral as plants I rocks. It consist of accumulations of individual animals caliec polyps, arranged in diverse shapes. Coral reef grow much fasar in clear water, which admits more sunlight.
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