Bilabial consonants are: (A) P, B, 9, (B) P, B, M, W, (C) M, L, W, (D) T, L, M, W
Answer is B. Pronounced or aiculated with both lips, as the consonants b, p, m, and wBaby stas producing bilabial words by the 4th month of age(Refer: OP Ghai's Textbook of Pediatrics, 8th edition, pg no. 32)