Question

[2]. 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.

According to the passage, which of the following statements is true?

1.
Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.
2.
Cooled lava breaks down over centuries into rich, fertile soil that farmers prize.
3.
Keepers cleaned the great lens, trimmed the wick and watched through the night that the lamp never went out.
4.
Women pioneers collected plant specimens on long field trips, calculated data by hand and published papers others built upon.
Answer (Detailed Solution Below)

Option 1 : Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.

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Detailed Solution

सही उत्तर Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life. है।

Key Points

The passage states: Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.

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Question:

[2]. 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.

According to the passage, which of the following statements is true?

1.
Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.
2.
Cooled lava breaks down over centuries into rich, fertile soil that farmers prize.
3.
Keepers cleaned the great lens, trimmed the wick and watched through the night that the lamp never went out.
4.
Women pioneers collected plant specimens on long field trips, calculated data by hand and published papers others built upon.

Correct Answer: Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.

The passage states: Coral reefs cover less than one per cent of the ocean floor yet support about a quarter of all marine life.

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