In IELTS Reading tests, topics related to biology and natural history are quite common. The passage about Ambergris is a classic example, blending scientific knowledge about sperm whales with the commercial history of one of the planet’s most expensive raw materials.
In this article, ECE provides the full reading passage, a bilingual translation, a summary of key vocabulary, and answers with detailed explanations for every question. Let’s explore the “floating gold” of the ocean right now!
Reading Passage & Questions
Reading Passage: Ambergris – what is it and where does it come from?
Paragraph 1 In the ancient world, the waxy grey substance we now refer to as ambergris was highly prized for its medicinal properties, and was widely used as a spice, which was believed to be an aphrodisiac when added to food or wine. Ambergris itself is pleasantly aromatic, especially when warmed, and it was also highly valued as a fixing agent in the making of perfume, since it enabled a scent to retain its fragrance for much longer than might otherwise have been possible. Most ambergris was found in the form of lumps floating on the surface of the sea, or washed up on the shores of tropical and temperate oceans. At one time, ambergris was worth its weight in gold, but there was much confusion about its origins.
Paragraph 2 Ambergris was known to the Arabs as ‘ambar’ and was originally called amber in the West in the Middle Ages. This eventually led to further confusion in the popular mind between ambergris and true amber, the mineral known to mineralogists as succinite, which is actually fossilised tree resin, and generally yellow in colour. Both substances were rare and costly, and both were associated with the sea, largely because for Europeans the most common source of amber was the shores of the Baltic. In Chapter 92 of Moby Dick, the American writer Herman Melville pours scorn on those who believed the two substances to be the same: “Though the word ambergris is but the French compound for grey amber, yet the two substances are quite distinct. For amber, though at times found on the sea-coast, is also dug up in some far inland soils, whereas ambergris is never found except upon the sea. Besides, amber is a hard, transparent, brittle, odorless substance, used for mouth-pieces to pipes, for beads and ornaments; but ambergris is soft, waxy, and so highly fragrant that it is largely used in perfumery.”
Paragraph 3 Moby Dick was published in 1851, by which time the mystery of the origins of ambergris had been resolved by the scientific community. In 1783, the botanist Joseph Banks, who had accompanied Captain James Cook on his voyages of discovery in the Pacific, presented a paper to the Royal Society of London by the German physician Dr. Franz Xavier Schwediawer in which it was conclusively proved that ambergris came from sperm whales. In this, he was confirming an observation made in the 13th century by the great Venetian traveller Marco Polo who, while on the island of Socotra in the Indian Ocean, had witnessed a sperm whale vomiting up ambergris. But whereas Marco Polo imagined that the whale had swallowed the lump in the depths of the sea, Schwediawer showed that the origin of the material was inside the whale itself.
Paragraph 4 The sperm whale is the largest of the odontocetes, or toothed whales. Males can grow up to 20 meters in length. Melville described the sperm whale as the ‘king of whales’, and his novel Moby Dick is based on the pursuit of one such creature. Sperm whales are renowned for their ability to dive to great depths, possibly as far as 3,000 metres below the surface, and for remaining underwater for periods of two hours or more in pursuit of their favourite prey, the giant squid.
Paragraph 5 It is from the problems the whales have in digesting the beaks of such creatures that ambergris has its origins. The beak is sharp and irritates the whale’s lower intestine, which responds by producing a black, foul-smelling liquid. It is not clear to scientists whether this secretion should be considered a normal response by the whale’s digestive system or a pathological one, but from time to time large quantities of the liquid are vomited up by the whale. Once outside the whale’s body and exposed to air, the substance hardens, acquiring the waxy, greyish and pleasantly aromatic characteristics of ambergris. Often the beaks of squid are still found embedded in lumps of ambergris, some of which can weigh several hundred kilograms. Melville took some delight in contrasting the origins of ambergris with the high value placed upon it by refined society: “Who would think, then, that such fine ladies and gentlemen should regale themselves with an essence found in the inglorious bowels of a sick whale!”
Paragraph 6 Sperm whales were ruthlessly pursued by commercial whalers in the 19th and 20th centuries. In 1963-64 alone, almost 30,000 individuals were killed, and only the imposition of a ban on the hunting of sperm whales in 1984 saved the species from extinction. Ambergris was by far the most valuable product to be extracted during the processing of the whales’ carcasses, and over 90 per cent of the annual worldwide total was acquired in this way, as a by-product of commercial whaling. However, even before the ban on hunting sperm whales was imposed, the 1972 Marine Mammal Protection Act had prohibited trade in ambergris. Just as petroleum and plastic products were replacing other natural products of whaling, so ambergris was supplanted in the making of perfume by other materials, some natural and some synthetic in origin. Nevertheless, it is possible that, as sperm whale populations recover to their former numbers in the wild, so the sight of lumps of ambergris washed ashore along the tide line will once again become a familiar one to beachcombers the world over.
Questions
Questions 1-6: Classification Classify the following facts as referring to: A. ambergris only B. amber only C. both ambergris and amber D. neither ambergris nor amber
1. very expensive
2. a food flavouring
3. used as currency
4. sweet-smelling
5. referred to by Herman Melville
6. can be seen through
Questions 7-9: Flow-chart Completion Choose NO MORE THAN TWO WORDS from the passage.
How ambergris is formed
Ambergris is formed in whales because of problems digesting the 7………. of giant squid. Black liquid is produced and is 8………. from time to time. The liquid 9………. on contact with the air.
Questions 10-13: True / False / Not Given
10. In the 20th century, most of the world’s ambergris came from processing dead whales.
11. The value of ambergris has increased recently.
12. Ambergris remains an important ingredient in perfume.
13. New uses have recently been found for ambergris
Summary
The passage explores Ambergris through several aspects:
- History and Uses: In the past, it was used as medicine, a spice (believed to be an aphrodisiac), and a fixative in perfume. It was once worth its weight in gold.
- Confusion: People often confused ambergris with amber (fossilised tree resin) due to their names and the fact that both were found at sea. Herman Melville clearly distinguished between the two.
- Scientific Origin: By the 18th and 19th centuries, scientists determined that ambergris originates from the digestive system of sperm whales, specifically due to the irritation caused by giant squid beaks in the whale’s gut.
- Formation Process: Whales secrete a black liquid to coat the squid beaks, which is then vomited up. Upon exposure to air, it hardens and becomes aromatic.
- Current Status: Whaling has been banned to protect the species. Natural ambergris has been replaced by synthetic alternatives in the perfume industry, though it may once again become a familiar sight on beaches as whale populations recover.
Key Vocabulary
| Word | Part of Speech | Meaning | Context |
| Ambergris | (n) | Ambergris | The main topic of the passage. |
| Aphrodisiac | (n) | Aphrodisiac | Believed to be an aphrodisiac when added to food. |
| Fixing agent | (n) | Fixative | Helps perfume retain its scent longer. |
| Fossilised | (adj) | Fossilised | Amber is fossilised tree resin. |
| Sperm whale | (n) | Sperm whale | The source of ambergris. |
| Vomit / Regurgitate | (v) | Vomit / Regurgitate | The whale vomits up the liquid. |
| Intestine | (n) | Intestine | Squid beaks irritate the whale’s intestine. |
| Carcass | (n) | Carcass | Extracting ambergris from whale carcasses. |
| Supplant | (v) | Supplant / Replace | Ambergris was supplanted by other materials. |
Grammar Structures:
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Cleft sentence: “It is from the problems the whales have… that ambergris has its origins.”
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Comparison: “Supplant… by other materials”.
Answers & Explanations
1. Answer: C (both ambergris and amber)
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Question: very expensive.
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Location: Paragraph 2: “Both substances were rare and costly…”
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Explanation: The passage confirms both are rare and costly (costly = expensive).
2. Answer: A (ambergris only)
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Question: a food flavouring.
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Location: Paragraph 1: “…widely used as a spice, which was believed to be an aphrodisiac when added to food or wine.”
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Explanation: Only ambergris was used as a spice/food flavouring. Amber is a hard stone and is not edible.
3. Answer: D (neither ambergris nor amber)
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Question: used as currency.
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Location: Paragraph 1 mentions “worth its weight in gold”, but does not state it was used as currency for exchange.
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Explanation: No information is provided regarding either being used as currency.
4. Answer: A (ambergris only)
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Question: sweet-smelling.
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Location: Paragraph 1: “Ambergris itself is pleasantly aromatic…” and Paragraph 2: “amber is… odorless… but ambergris is… highly fragrant”.
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Explanation: Ambergris is fragrant, while amber is odorless.
5. Answer: C (both ambergris and amber)
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Question: referred to by Herman Melville.
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Location: Paragraph 2: “In Chapter 92 of Moby Dick, the American writer Herman Melville pours scorn on those who believed the two substances to be the same…”
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Explanation: Melville mentions both to distinguish them.
6. Answer: B (amber only)
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Question: can be seen through.
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Location: Paragraph 2: “amber is a hard, transparent… substance”
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Explanation: Transparent means clear/see-through. Ambergris is opaque (waxy grey).
7. Answer: beaks
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Location: Paragraph 5: “It is from the problems the whales have in digesting the beaks of such creatures that ambergris has its origins.”
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Explanation: Ambergris forms due to digestive issues with squid beaks.
8. Answer: vomited (up)
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Location: Paragraph 5: “…from time to time large quantities of the liquid are vomited up by the whale.”
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Explanation: The black liquid is vomited up by the whale.
9. Answer: hardens
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Location: Paragraph 5: “Once outside the whale’s body and exposed to air, the substance hardens…”
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Explanation: Upon contact with air, the substance hardens.
10. Answer: TRUE
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Question: In the 20th century, most of the world’s ambergris came from processing dead whales.
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Location: Paragraph 6: “Ambergris was by far the most valuable product… and over 90 per cent of the annual worldwide total was acquired in this way…”
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Explanation: The passage states over 90% of the annual total was acquired from processing whale carcasses in the 19th and 20th centuries.
11. Answer: NOT GIVEN
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Question: The value of ambergris has increased recently.
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Explanation: The passage mentions it was once worth its weight in gold and is now replaced by synthetics, but does not mention recent price fluctuations.
12. Answer: FALSE
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Question: Ambergris remains an important ingredient in perfume.
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Location: Paragraph 6: “…so ambergris was supplanted in the making of perfume by other materials…”
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Explanation: The word “supplanted” means it has been replaced and is no longer a primary/important ingredient.
13. Answer: NOT GIVEN
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Question: New uses have recently been found for ambergris.
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Explanation: The final paragraph only discusses the hope of finding it on beaches again; it does not mention new uses.
The “Ambergris” passage provides deep insight into the intersection of nature and economy. Through this article, you have not only learned how to classify information but also practiced your detail-retrieval skills.
Remember the marine biology and commercial vocabulary to apply to similar reading passages. Good luck with your studies and achieving a high IELTS score!





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