Advanced English Primary 4 Comprehension

Read the passage and answer the question.\n\nThe Common European Eel has one of the most mysterious life cycles in the animal kingdom. It is born in the Sargasso Sea, then travels thousands of kilometres to the rivers of Europe where it spends most of its adult life. When it is ready to reproduce, it makes the long journey back to the Sargasso Sea. Despite decades of research, scientists still do not know exactly how eels navigate such vast distances. The European Eel is now classified as critically endangered due to habitat loss and overfishing.\n\nIs the following statement TRUE or FALSE?\n"Scientists fully understand how the European Eel navigates its long migrations."

A True — the eel uses magnetic fields to navigate.
B True — scientists have studied eels for decades and know all their secrets.
C False — scientists still do not know exactly how eels navigate such vast distances.
D False — eels do not actually migrate long distances.
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Worked Solution

Step 1: The statement claims scientists FULLY UNDERSTAND eel navigation. Step 2: Find the relevant sentence: "scientists still do not know exactly how eels navigate such vast distances." Step 3: "Still do not know exactly" = the opposite of fully understanding. The statement is FALSE. Step 4: The reason must come from the passage: scientists do not know how eels navigate. Answer: False — scientists still do not know exactly how eels navigate such vast distances.

Correct answer: False — scientists still do not know exactly how eels navigate such vast distances.

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