Q58
Which one of the following conditions are not favourable for the growth of coral reefs ?
A.
Sediment free water
B.
Fresh water
AnswerC.
Moderate saline water
D.
Disturbed water and currents
Answer: Option B
Solution
Answer: Option B
Solution:
Fresh water are not favourable for the growth of coral reefs. Coral require fairly good amount of sunlight to survive. The ideal depths for coral growth are 45 m to 55 m below sea surface, where there is abundant sunlight available. Clear salt water: Clear salt water is suitable for coral growth, while both fresh water and highly saline water are harmful.