(a) What is natural pasture? (2 marks) (ii) State four characteristics of natural pastures in West Africa. (4 marks) (b) Discuss the root knot disease of to...

(a) What is natural pasture? (2 marks)
 (ii) State four characteristics of natural pastures in West Africa. (4 marks) 

(b) Discuss the root knot disease of tomato under the following headings: (i) causal organism; (ii) mode of transmission; (iii) two symptoms; (iv) two prevention and control measures.(6 marks) 

(c) Distinguish between grafting and budding in plant propagation. (2 marks) 

(d) Give two uses of sugarcane. (2 marks)