This is a question on phonology. Candidates were asked to define tone in (a); in (b) identify the three tone marks in Igbo language and in (c) tone mark some given words based on the given meanings.
The points expected were: 
(a)        - Ụdaolu bụ etu okwu na-esi ada ụda ma a na-akpọpụta ha.
- Ụdaolu bụ ogoolu e ji ezipụta ndịiche dị na mkpụrụokwu na ibe ya.

 (b)       (i) Ụdaelu/ ụdaolu elu ( )
(ii) Ụdaala/ ụdaolu ala  ( )
(iii) Ụdansụda/ ụdaolu nsụda ( )

(c)        (i)        éhí (cow)
(ii)        akị (palm kernel)
(iii)       agba (jaw)
(iv)       ego (money)
(v)        mgbe (time/ period)
(vi)       akụkọ (story)
(vii)      isi (to cook)
(viii)     oke (share)
(ix)       azụ (fish)
(x)        oke  (rat)

Their response to this question showed that they were taught, though some still faltered in   the definition