Fluoridation of Public Water Supplies Reading Questions and Answers

The Blog post contains the following IELTS Reading Questions:

  • IELTS Reading Multiple Choice Questions
  • IELTS Reading Matching Sentence Endings
  • IELTS Reading Short Answer Questions

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IELTS Reading passage Fluoridation of Public Water Supplies

Fluoridation of Public Water Supplies

Fluoridation of Public Water Supplies
Fluoridation of Public Water Supplies 1

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Questions 14-19

Answer the questions below using NO MORE THAN TWO WORDS from the passage for each answer. Write your answers in boxes 14-19 on your answer sheet.

14What does fluoridation affect to prevent tooth decay?
15What do dental bacteria produce?
16When mouth pH goes below 5.5, what is dissolved?
17What does fluoridation form in the mouth to restore mineral density in teeth?
18What is the coating that remineralization ferns on teeth?
19Through what mechanism does swallow fluoride go-to teeth?

Questions 20-24

Complete each sentence with the correct ending, A-J, below.

Write the correct letter, A-I, in boxes 20-24 on your answer sheet.

20Tooth decay
21A constant, low level of fluoride in the mouth
22Drinking water
23Dental fluorosis
24Acute fluoride poisoning

AIs the way most people around the world get fluoride
BIs a threat to public safety
CCan occur as a result of mishaps in adding fluoride to water
DCan be regarded as nutritious
EIs a widespread health issue in developed countries
FIs not as common in infants
GIs the best protection against tooth decay
HIs required to sustain our material survival and biological growth
IIs visible as faint lines across the teeth
JIs difficult to achieve amongst poorer people

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Questions 25-26

Choose TWO letters A-E.

Write your answers in boxes 25-26 on your answer sheet.

Which TWO of the following statements form part of Connett’s opposition to fluoridation?

AFluoridation is proven to be poisonous.
BIndividuals react differently to fluoride.
CPeople may be fluoridated against their knowledge or will.
DDrinking water is not the most effective way to fluoridate teeth.
EWhen fluoridation stops, occurrences of tooth decay increase only slightly.

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Answer 

14Answer: demineralization mechanism

15Answer: organic acids
16Answer: tooth enamel/ carbonated hydroxyapatite
17Answer: (fluoride) ione
18Answer: fluorapatite
19Answer: blood plasma
20Answer: E
21Answer: G
22Answer: A
23Answer: I
24Answer: C
25Answer: C
26Answer: D

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