(a) Mention three print and three electronic media used in disseminating agricultural extension messages.

(b) State four advantages of group method of agricultural extension. [ 4 marks ]

(c) Explain the term assembling as a marketing function [ 2 marks ]

(d) State one symptom and two control measures of each of the following crop diseases: (i) Maize streak; (ii) Groundnut rosette. [ 6 marks ]