A/an... vowel is the one in the production of which one part of the tongue comes close to the palate without touching it and the air passage is narrow, but not so much as to form a consonant.

A. Height of the raised part of the tongue

B. Raised part of the tongue

C. Length of the vowels

D. Shape of the lips

A. Front

B. Back

C. Central

D. Open

A. All vowels are voiced

B. Vowels are less sonorous than consonants

C. All vowels are syllabic

D. Consonants are either voiced or voiceless

A. Vowels are produced with complete closure in the vocal tract

B. Consonants are produced with no obstruction in the vocal tract

C. Consonants are more sonorous than vowels

D. All vowels are syllabic

A. Labio-dentals

B. Alveolars

C. Velars

D. Glottals

A. The syllable

B. The phoneme

C. The intonation

D. The morpheme