(a) Draw a well labelled diagram of the water cycle

(b) Mention two deficiency symptoms of phosphorus in crops

(c) Using the table below, classify the follow-ing insect-pests according to their modes of feeding (i) weevil (ii) locust (iii) scale insect (iv) armyworm (v) earworm (vi) cotton stainer (vii) green spidermites (viii) thrips (ix) capsids (x) yam beetle

(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)

Discuss anthrax disease under the following headings (i) causal organism (ii) mode of transmission (iii) two symptoms (iv) two prevention and control measures

(b) (i) List four sources of plant protein in live stock feeds (ii) Give three examples of forage legumes that could be found in rangelands in West Africa

(c) Mention five characteristics of labour as a factor of agricultural production.

(a) Explain briefly each of the following economic concepts (i) scarcity (ii) scale of preference

(b) Give four reasons why agricultural insurance is important

(c) State five fishery regulations in West Africa

(d) Give five reasons why beekeeping is important

(a) List and discuss the factors hindering Agricultural development in West Africa under the following headings:

(i) Basic amenities

(ii) Farm inputs