a. Discuss the root knot disease of tomato plants under the following headings:
i. causal organism
ii. mode of transmission
iii. two symptoms
iv. two prevention and control measures
b. Describe three effects each of the following farming practices on the soil:
i. fertilizer application
ii. clean clearing
iii. overgrazing
c. Mention three agricultural uses of land
a. Outline four steps involved in the planting of cassava stem cuttings
b. State three uses of cassava tubers
c. If yam is cultivated at a spacing of 100 cm by 100 cm on 1.5 hectares of farmland and each yam tuber weighs an average of 3.5 kg after harvesting, calculate the:
i. expected number of yam plants on the farmland
ii. total weight of yam tubers harvested in kilogramme
d. Distinguish between diet and ration in animal nutrition
a. Complete the table below on diseases of farm animals
| Symptoms | Diseases | Prevention and Control |
| Constant cough and production of stringy sputum with blood or pus in pigs | (i) | (i) (ii) |
| (iv) | Ringworm | (v) (vi) |
| Blood-stained diarrhea- Pale comb in poultry | (vii) | (viii) (ix) |
b. State two functions each of the:
i. queen bee
ii. worker bee in a bee colony
c. Give five reasons why a compost pit should be covered during composting
a. Using the information below, prepare a profit and loss account for Wellness Farms for the year ended 31st December 2016.
-------------------------------------------₦
Opening valuation----------------400,000
Cost of point-of-lay---------------200,000
Cost of feed-------------------------150,000
Cost of drugs-------------------------10,000
Transportation costs---------------10,000
Wages paid to workers-------------80,000
Sale of eggs--------------------------240,000
Sale of spent layers----------------100,000
Eggs consumed by farmer---------10,000
Closing valuation------------------600,000
b. Mention five problems faced by financial institutions in granting credit to crop farmers
c. State four characteristics of Centrosema pubescens
