Question
[3]. Read the following passage carefully and answer the question.
Passage: Coral reefs are often called the rainforests of the sea because, although they cover less than one per cent of the ocean floor, they support about a quarter of all marine life. Tiny coral animals build hard skeletons of limestone, and over thousands of years these skeletons form reefs that shelter fish, turtles and countless small creatures. Reefs also protect coasts: they break the force of waves and reduce erosion during storms. But reefs are fragile. Rising sea temperatures cause bleaching, when corals expel the algae that feed them and give them colour. Pollution and careless fishing add further harm. Protecting reefs therefore means protecting both marine life and the coastal people who depend on fishing and tourism. In the context of the passage, the word 'bleaching' most nearly means:
Option 4 : the loss of colour in corals when they expel their feeding algae under stress
Detailed Solution
सही उत्तर the loss of colour in corals when they expel their feeding algae under stress है।
In this passage 'bleaching' means: the loss of colour in corals when they expel their feeding algae under stress.
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prepsnap.in • Mock TestQuestion:
[3]. Read the following passage carefully and answer the question.
Passage: Coral reefs are often called the rainforests of the sea because, although they cover less than one per cent of the ocean floor, they support about a quarter of all marine life. Tiny coral animals build hard skeletons of limestone, and over thousands of years these skeletons form reefs that shelter fish, turtles and countless small creatures. Reefs also protect coasts: they break the force of waves and reduce erosion during storms. But reefs are fragile. Rising sea temperatures cause bleaching, when corals expel the algae that feed them and give them colour. Pollution and careless fishing add further harm. Protecting reefs therefore means protecting both marine life and the coastal people who depend on fishing and tourism. In the context of the passage, the word 'bleaching' most nearly means:
Correct Answer: the loss of colour in corals when they expel their feeding algae under stress
In this passage 'bleaching' means: the loss of colour in corals when they expel their feeding algae under stress.