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Practice Reading: Multiple Choice, Multiple Answers ID: #33383 Himalayas
Instructions ›
Read the text and answer the question by selecting all the correct responses. You will need to select more than one response.
Hills and mountains are often regarded as the epitome of permanence, successfully resisting the destructive forces of nature, but in fact they tend to be relatively short-lived in geological terms. As a general rule, the higher a mountain is, the more recently it was formed; for example, the high mountains of the Himalayas are only about 50 million years old. Lower mountains tend to be older, and are often the eroded relics of much higher mountain chains. About 400 million years ago, when the present-day continents of North America and Europe were joined, the Caledonian mountain chain was the same size as the modern Himalayas. Today, however, the relics of the Caledonian orogeny (mountain-building period) exist as the comparatively low mountains of Greenland, the northern Appalachians in the United States, the Scottish Highlands, and the Norwegian coastal plateau.

Which of the following can be inferred from the paragraph about the mountains of the Himalayas?

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Option 2: "At present, they are much higher than the mountains of the Caledonian range."

Explanation: This option is correct as the text indicates that the Caledonian mountains were once as high as the Himalayas but are now eroded and exist as lower mountains. Thus, the Himalayas are currently much higher.

Option 1: "Their current height is not an indication of their age."

Explanation: This option is incorrect because the text states that higher mountains, like the Himalayas, are more recently formed. Therefore, their height does correlate with their relative youth in geological terms.

Option 3: "They did not exist 400 million years ago."

Explanation: This option is correct because the text implies that the Himalayas were formed after the time when the Caledonian mountains existed, which was about 400 million years ago. Therefore, the Himalayas did not exist at that time.

Option 4: "They are not as high as the Caledonian mountains were 400 million years ago."

Explanation: This option is incorrect because the text states that the Caledonian mountains were once as high as the Himalayas. Since the Himalayas are currently high, this statement contradicts the information provided.

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