1a. Explain the three systems of animal husbandry.
1b. State the three advantages and disadvantages of the three systems discussed above.
2a. Explain the following crop plant diseases citing their causative agents, mode of transmission, symptoms and prevention/control methods.
i. Black pod disease of cocoa
ii. Maize smut
iii. Cassava mosaic disease
iv. Groundnut rossette disease
v. Leaf blight in cassava
vi. Root knot in tomato
2b. Explain the general methods of controlling crop diseases.