Agricultural Science Questions and Answers
A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.
A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.
Which of the following is not an effect of manuring on the soil?
Adding plant nutrients to the soil
Releasing adequate plant nutrients of the appropriate time
Facilitating soil aeration and movement of soil moisture
Enhancing the activities of soil microorganisms
Improving the structure of the soil
Correct answer is B
No explanation has been provided for this answer.
The removal of excess water from the soil surface and the upper subsoil is known as
Irrigation
Drainage
Evaporation
Surface turn-off
Dehydration
Correct answer is B
No explanation has been provided for this answer.
Chlorosis observed along the veins of leaves is a characteristic symptom for the deficiency of
Nitrogen
Magnesium
Potassium
Phosphorus
Sulphur
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not an advantage of drip-irrigation?
Fertilizers can be applied through the system
There is reduction in the concentration of salt in the root zone
The system operates on a much lower line pressure than spinkler system
Its efficiency on water distribution in steep slopes is poor
There is considerable maximization on use of water
Correct answer is D
No explanation has been provided for this answer.
Exposure of soil to erosion
Compaction of soil
Desertification
Complete removal of soil nutrients
Exposure of subsoil
Correct answer is D
No explanation has been provided for this answer.