Choose the word starting with a vowel sound: Uncle, Uniform, Usual, None of these

Choose the word starting with a vowel sound: Uncle, Uniform, Usual, None of these

Explanation

"Uncle" starts with a vowel sound /ʌ/, which is a true vowel sound.

Though "Uniform" and "Usual" start with vowel letters, they begin with a /juː/ sound (a consonant sound).