(a) Discuss maize smut disease under the follow-ing headings: (i) causal organism (ii) mode of trans-mission (iii) two symptoms (iv) two cultural control me...

(a) Discuss maize smut disease under the follow-ing headings:

(i) causal organism (ii) mode of trans-mission (iii) two symptoms (iv) two cultural control measures

(b) Enumerate four forest management oractices in West Africa

(c) (i) State four classes of farm animals based on their uses (ii) Give one exam-ple of each class stated in (c)(i)