Agricultural Science Past Questions and Answers

(a) Define land. (b) State the two major classifications of land based on uses and give two examples in each case. (c) List six factors that influence the availability of land for agricultural production and explain two of the factors.

(a) State three methods of irrigating a small nursery. (b) Enumerate three factors to be considered in the choice of each of: (i) surface irrigation method (ii) sub-surface irrigation method. (c) .State two advantages of subsurface irrigation (d) Enumerate five ways by which the build-up of diseases could be reduced on an irrigated farm.

Discuss the following practices in crop production: (a) transplanting (b) shading (c) supplying filling-in (d) nursery.

(a) Define the terms budding and grafting (b) List four materials required for budding (c) Give two reasons why the improvement of crops by selection may not produce the desired results (d) State four disadvantages of asexual reproduction and four advantages of sexual reproduction in crop plants.

(a) Enumerate three major organs in each of the thoracic and abdominal cavities of farm animals (b) State two functions of the nervous and one function of the reproductive systems (c) Explain the importance of the following systems in farm animals: (i) circulatory system (ii) respiratory system (iii) digestive system.