Observation

This is a question on phonology. Candidates were asked to give two differences between the phonemes ‘m’ and ‘n’ as consonants and as semi-vowels in (a); explain when they can be tone marked in (b) and tone mark some listed words in (c).
The points expected were: 

(a)       -Mgbe ‘m’ na ‘n’ na-arụ ọrụ ka mgbochiume, ha anaghị enwe ụdaolu.

•         -Ụdaume ga-esorịrị ha.
•         -Mgbe ‘m’ na ‘n’ na-arụ ọrụ ka myiriụdaume, ha na-enwe ụdaolu.
•         -Ha na-abụ nkejiokwu.
•         -Mgbe ụfọdụ, mgbochiume na-eso ha.

(b)        A na-akanye akaraụdaolu n’elu ‘m’ na ‘n’ mgbe ha na-arụ ọrụ dị ka myiriụdaume/mgbe ha bụ nkejiokwu.

(c)    (i)         mkpọ
        (ii)        mma
        (iii)       nnụnụ
        (iv)       mma
        (v)        myọ
        (vi)       anyanwụ
        (vii)      nkenke
        (viii)     ntụ

Many candidates did not attempt this question.