Diphthongs Quiz (Level B1-B2) - English Practice

⏱ Time: 07:30 📝 Questions: 15 📊 Level: B1, B2 📚 Type: General English ⭐ XP: up to +16 (on pass)

Preparing for an English exam? Practise Diphthongs with 15 exercises at Level B1-B2. The questions mirror real exam formats — multiple choice, true/false, and matching — so you get familiar with the question styles while reviewing key english concepts.

⏱ You have 07:30 to answer 15 questions. The timer only starts when you click Begin.

Q1  15
Q1 15

Question 1: In the word 'coin,' the vowel sound starts as one sound and smoothly transitions into another. What is this an example of?

Question 1 options
A diphthong is a vowel sound that begins as one sound and glides into another within the same syllable. The 'oi' in 'coin' moves from an open back vowel to a front vowel, making it a diphthong.
Q2 15

Question 2: When writing a pronunciation guide, which word correctly fills the blank? 'The /aʊ/ diphthong can be heard in the word ___ .'

Question 2 options
The /aʊ/ diphthong produces a sound similar to 'ow' and is found in words like 'house.' The word 'moon' has a long /uː/ vowel, 'rain' has the /eɪ/ diphthong, and 'feet' has a long /iː/ vowel.
Q3 15

Question 3: Every word that contains two consecutive vowels in its spelling produces a diphthong sound.

Question 3 options
This is false. Having two consecutive vowels does not guarantee a diphthong. For example, words like 'boot' and 'meat' contain two consecutive vowels but produce only a single vowel sound, not a gliding diphthong.
Q4 15

Question 4: Which sentence correctly describes a diphthong in the underlined word?

Question 4 options
'Loud' contains the /aʊ/ diphthong, where the vowel sound glides from one position to another. 'Pool' has a single long vowel /uː/, 'sheep' has a single long /iː/ vowel, and 'cart' has a single /ɑː/ vowel — none of these are diphthongs.
Q5 15

Question 5: Match each diphthong type to its correct definition or characteristic.

Question 5 options
Falling diphthong
Rising diphthong
Narrow diphthong
Wide diphthong
Composed of very different vowel articulations
Begins with lower pitch and ends higher
Composed of similar-sounding vowel sounds
Begins with higher pitch and ends lower

Select an item on the left, then tap its match on the right.

Falling diphthongs start with stronger prominence and end weaker. Rising diphthongs move from weaker to stronger prominence. Narrow diphthongs involve similar vowel sounds. Wide diphthongs involve very different vowel articulations.
Q6 15

Question 6: Which sentence contains a spelling error in a word that includes a diphthong sound?

Question 6 options
The correct spelling is 'enjoyable,' not 'enjoiable.' The /ɔɪ/ diphthong in 'enjoy' is spelled with 'oy,' and this spelling must be maintained when adding suffixes. The other sentences are all spelled correctly.
Q7 15

Question 7: In a paragraph about English pronunciation, which word best fills the blank? 'The vowel sound in the word "smile" is a ___ because it glides from one position to another.'

Question 7 options
A diphthong is the correct term for a vowel sound that glides from one articulation to another within a single syllable. A 'monophthong' is a single unchanging vowel sound, a 'consonant blend' involves consonants, and a 'syllable break' refers to division between syllables.
Q8 15

Question 8: The following sentence has an error: 'The /eɪ/ dipthong is found in words like "play" and "weight."' Which option correctly fixes the error?

Question 8 options
The correct spelling is 'diphthong,' not 'dipthong.' The word comes from Greek 'diphthongos,' and the 'ph' spelling must be preserved. The other options either keep the misspelling or introduce new errors such as incorrect diphthong classification.
Q9 15

Question 9: Arrange the parts in the correct order to form a well-structured paragraph explaining what a diphthong is:

Question 9 options
  • For example, the word 'boy' contains the /ɔɪ/ diphthong.
  • A diphthong is a complex vowel sound that occurs within a single syllable.
  • In contrast, a simple vowel like the one in 'see' remains unchanged throughout.
  • It begins as one vowel sound and smoothly glides into another.

Drag items or use arrows to arrange them in the correct order.

A well-structured explanatory paragraph begins with a clear definition, then provides elaboration on how it works, follows with a concrete example, and ends with a contrasting detail to deepen understanding.
Q10 15

Question 10: You are writing a study guide about English pronunciation for intermediate learners. Which option is the most appropriate way to explain diphthongs?

Question 10 options
The third option provides a clear, accessible explanation with a helpful example, which is appropriate for intermediate learners. The first option is too vague, the third uses overly technical jargon, and the fourth is inaccurate because it claims diphthongs only occur with two written vowels.
Q11 15

Question 11: What is the difference between a falling diphthong and a rising diphthong?

Question 11 options
A falling diphthong starts with greater prominence or volume and ends with less, while a rising diphthong begins with less prominence and ends with more. This distinction is about the direction of emphasis within the vowel sound, not about pitch dropping versus consonant involvement.
Q12 15

Question 12: Which version of this sentence is most appropriate for an academic essay about phonetics?

Question 12 options
The first option uses precise academic terminology ('gliding vowel sounds,' 'articulation') and maintains a formal register appropriate for an academic essay. The first is too casual, the second uses imprecise language ('pretty different'), and the fourth is overly informal with 'basically' and 'stuff.'
Q13 15

Question 13: A word's diphthong status can vary between different regional accents of the same language.

Question 13 options
This is true. Pronunciation varies across accents and dialects. A word that contains a diphthong in one accent may be pronounced with a single vowel sound in another accent, meaning diphthong classification depends on how a word is actually spoken in a given dialect.
Q14 15

Question 14: In the sentence 'The playwright chose words rich in diphthongs to create a flowing, musical quality in the dialogue,' why did the writer use diphthong-rich words?

Question 14 options
Diphthongs are gliding vowel sounds that create smooth transitions, which contributes to a musical and flowing quality in spoken language. The sentence explicitly states the goal was to produce a 'flowing, musical quality,' which matches the natural gliding characteristic of diphthongs.
Q15 15

Question 15: Which is the best revision of this awkward sentence? Original: 'Diphthongs is when vowels change sound and they are also sometimes called gliding vowels because the sound glides.'

Question 15 options
'Diphthongs are vowel sounds that glide from one articulation to another, which is why they are also called gliding vowels' is the best revision. It corrects the subject-verb agreement ('are' not 'is'), eliminates the informal 'is when' construction, removes redundancy, and maintains a clear, concise structure.