Identify the IPA symbol for the velar nasal sound present at the end of the word 'Sing'.
Step 1: Analyze the nasal sound in 'Sing' (/sɪŋ/).
Step 2: The velar nasal sound produced at the soft palate is represented by the IPA symbol /ŋ/ ('eng').
Step 3: Option C is correct.
Which of the following words is a monosyllabic word (having only 1 syllable)?
Step 1: Count the syllable beat of each word.
Step 2: 'Doctor' (2), 'Tailor' (2), 'Remark' (2). 'Shirt' (/ʃɜːt/) has only 1 vowel nucleus sound and is monosyllabic.
Step 3: Option B ('Shirt') is correct.
Identify the silent letter in the word 'Castle'.
Step 1: Pronounce 'Castle' (/ˈkɑːsəl/).
Step 2: In words ending in '-stle', the letter 't' is silent.
Step 3: Option B ('t') is correct.
Identify the silent letter in the word 'Subtle'.
Step 1: Check the pronunciation of 'Subtle' (/ˈsʌtəl/).
Step 2: The letter 'b' before 't' in subtle is completely unpronounced.
Step 3: Option B ('b') is correct.
What is the primary air-stream mechanism used in the production of almost all normal speech sounds in English?
Step 1: Understand air-stream mechanisms in phonetics.
Step 2: English speech sounds are produced using air pushed outwards from the lungs through the vocal tract, known as a 'pulmonic egressive air-stream mechanism'.
Step 3: Option C is the correct answer.