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Bioluminescence Ielts Reading

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5 Answer: v

Question Type: Matching Headings

Answer location: Paragraph E, line 1

Answer explanation: The opening line of paragraph E suggests that “once scientists learn how to engineer bioluminescence and keep it stable in large quantities, a number of other human uses for it will become available.” Thus, when scientists figure out how to design bioluminescence and keep it stable in huge amounts, it will be employed for a variety of applications in the future. Hence, the appropriate title for this paragraph would be future opportunities in biological engineering.

6 Answer: 1 (1,3,6,7 : in any order)

Question Type: Multiple Choice questions

Answer location: Paragraph C, line 4

Answer explanation: If you read clearly, it is mentioned that “others use it as a lure; the anglerfish, for example, dangles a luminescent flare that draws in gullible, smaller fishes which get snapped up by the anglerfish in an automated reflex.”Here, the term lure has been paraphrased to attract. Hence, from this given information we can confirm that the anglerfish uses bioluminescence to attract smaller fishes, which are their food.

7 Answer: 3 (1,3,6,7 : in any order)

Question Type: Multiple Choice questions

Answer location: Paragraph C, line 2

Answer explanation: The answer is clearly mentioned in the said paragraph and line. You must note the paraphrasing here. In the passage, it is said that “fireflies employ bioluminescence primarily for reproductive means – their flashing patterns advertise a firefly’s readiness to breed. Some fish use it as a handy spotlight to help them locate prey.” Here, firefly’s readiness to breed which can be inferred as mating signals.

8 Answer: 6 (1,3,6,7 : in any order)

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Question Type: Multiple Choice questions

Answer location: Paragraph C, line 6

Answer explanation: Few lines in the said paragraph convey that “vampire squids eject a thick cloud of glowing liquid from the tip of its arms when threatened, which can be disorientating. Other species use a single, bright flash to temporarily blind their attacker, with an effect similar to that of an oncoming car which has not dipped its headlights.“ Since it is mentioned that vampire squids use bioluminescence to resist when threatened, it can be considered a defensive tactic.

9 Answer: 7 (1,3,6,7 : in any order)

Question Type: Multiple Choice questions

Answer location: Paragraph C, line 3

Answer explanation: A line in the passage mentions that some fish use it as a handy spotlight to help them locate prey.” This line confirms that some fishes use bioluminescence as a torch (handy spotlight) to identify (locate) their food as prey.

10 Answer: disorienting

Question Type: Sentence Completion

Answer location: Paragraph C, line 6

Answer explanation: If you observe, in the said paragraph to the fact that “vampire squids eject a thick cloud of glowing liquid from the tip of its arms when threatened, which can be disorientating. “ Here, the term eject has been paraphrased to emit. Hence, we can say that the glowing luminescent liquid from the squid can be disorientating.

11 Answer: DNA protein

Question Type: Sentence Completion

Answer location: Paragraph D, line 2

Answer explanation: A few lines in said paragraph discuss that “BU involves the extraction of a DNA protein from a bioluminescent organism, and then the integration of this protein into a laboratory animal through trans- geneticism.” Here, extracted has been paraphrased to remove and the organism is paraphrased to creatures. Hence, it is a DNA protein that must be extracted from bioluminescent creatures.

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12 Answer: natural processes

Question Type: Sentence Completion

Answer location: Paragraph D, line 5

Answer explanation: If you read thoroughly, the author in the given paragraph mentions that “in other words, while an ultra-sensitive camera and bioluminescent proteins add a visual element, they do not disrupt or mutate the natural processes.” We can deduce that one advantage of (through) BLI is that it allows treatment without disrupting or mutating (altering) the natural processes.

13 Answer: forensic investigators/scientists

Question Type: Sentence Completion

Answer location: Paragraph E, line 5

Answer explanation: Paragraph E puts forward the information that “in a similar way, forensic investigators could detect bacterial species on corpses through bioluminescence.” We can infer that the term corpses has been paraphrased to dead bodies. Hence, forensic investigators could use bioluminescence to detect (identify) bacterial species on corpses.

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