Read the following passage and answer the question below. Coral reefs, often called the rainforests of the sea, are among the most biologically diverse ecosystems on Earth, despite covering less than one percent of the ocean floor. These structures are built by tiny organisms called coral polyps, which secrete calcium carbonate to form hard skeletons that accumulate over thousands of years. Reefs provide habitat and shelter for approximately a quarter of all marine species, making them essential to ocean biodiversity. Unfortunately, coral reefs are highly sensitive to changes in water temperature, and rising sea temperatures caused by climate change have led to widespread coral bleaching, a process in which corals expel the algae living in their tissues and turn white. Prolonged bleaching can lead to coral death, threatening the entire ecosystem that depends on the reef. Conservationists are now working on methods such as coral farming to help restore damaged reefs around the world. Question: In the passage, the word 'sensitive' most nearly means:

About this MCQ

This Easy Reading Comprehension question asks: Read the following passage and answer the question below. Coral reefs, often called the rainforests of the sea, are among the most biologically diverse ecosystems on Earth, despite covering less than one percent of the ocean floor. These structures are built by tiny organisms called coral polyps, which secrete calcium carbonate to form hard skeletons that accumulate over thousands of years. Reefs provide habitat and shelter for approximately a quarter of all marine species, making them essential to ocean biodiversity. Unfortunately, coral reefs are highly sensitive to changes in water temperature, and rising sea temperatures caused by climate change have led to widespread coral bleaching, a process in which corals expel the algae living in their tissues and turn white. Prolonged bleaching can lead to coral death, threatening the entire ecosystem that depends on the reef. Conservationists are now working on methods such as coral farming to help restore damaged reefs around the world. Question: In the passage, the word 'sensitive' most nearly means: The correct choice is C. Easily affected by changes. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.

Reading Comprehension items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Reading Comprehension so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.

Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Reading Comprehension item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.

Correct answer

C. Easily affected by changes

Explanation

Read the following passage and answer the question below Coral reefs often called the rainforests of the sea are among the most biologically diverse ecosystems on Earth despite covering less than one percent of the ocean floor These structures are built by tiny organisms called coral polyps which secrete calcium carbonate to form hard skeletons that accumulate over thousands of years Reefs provide habitat and shelter for approximately a quarter of all marine species making them essential to ocean biodiversity Unfortunately coral reefs are highly sensitive to changes in water temperature and rising sea temperatures caused by climate change have led to widespread coral bleaching a process in which corals expel the algae living in their tissues and turn white.

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