A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.
Which of these operations comes first in cultural practice?
Tillage
Ridges
Stumping
Harvesting
Correct answer is C
Stumping is the removal of stumps by digging them out manually using cutlasses and axes. It can also be done mechanically by using bulldozer. Stumps are the left over cut trees on the farm left on the soil surface.
Which of the following is not an organic manure?
Green manure
Farmyard manure
Compost
Fertilizer
Correct answer is D
Fertilizers are chemical substances which are usually prepared in the farm, they are made in form of liquid, powder, granules, pellets or crystals
One of the limitation of mechanization of farms is
Reduction in the cost of production
Exposure of soil to the effects of climate
Increase in yield of crops
Reduction of farm labour
Correct answer is A
Mechanization is the use of machinery to replace human or animal labour, especially in agriculture .This required lot of capital thereby increasing the cost of production.
₦10,580
₦30,290
₦39,420
₦60,580
Correct answer is C
Salvage value is the estimated book value of an asset after depreciation is calculated.
Salvage value + Depreciation value = Cost price
Salvage value + 10,580 = 50,000
∴ Salvage value = 50,000 - 10,580
⇒ ₦39,420
0.25kg/day
0.2kg/day
0.5kg/day
0.125kg/day
Correct answer is D
200 layers → 25kg/day
1 layer → x
∴ \(\frac{200}{1}\) = \(\frac{25}{x}\)
200x = 25
x = \(\frac{25}{200}\) = \(\frac{1}{8}\) = 0.125 kg/day