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.
The easiest method of determining soil texture in the field is by
Moulding
Sieving
Sedimenting
Feeling
Correct answer is D
Feeling or field texturing is a quick method of determining soil texture, and enables an immediate interpretation of texture down the soil profile.
Which of the following is an objective of agricultural development programs?
Maximizing profits for individual farmers
Increasing dependency on external inputs
Enhancing sustainable agricultural practices
Expanding land holdings for large-scale farms
Correct answer is C
One of the primary objectives of agricultural development programs is to enhance sustainable agricultural practices. These programs aim to promote environmentally friendly and socially responsible farming methods that conserve natural resources, minimize negative impacts on ecosystems, and ensure long-term agricultural productivity.
Which of the following is NOT a principle of agronomy?
Controlling pests and diseases
Managing soil fertility
Promoting biodiversity conservation
Maximizing crop yield
Correct answer is C
Agronomy is a branch of agricultural science that focuses on crop production and soil management. It involves the application of scientific principles and techniques to maximize crop yield and ensure sustainable agricultural practices.
The horizon of a soil profile which encourages the greatest level of microbial activity is
A - horizon
B - horizon
C - horizon
D - horizon
Correct answer is A
The A-horizon is a weathered layer that contains an accumulation of humus (decomposed, dark-coloured, carbon-rich matter) and microbial biomass that is mixed with small-grained minerals to form aggregate structures.
What are the important properties of soil in agriculture?
pH, organic matter content, and water-holding
Drainage, cation exchange capacity, and soil depth.
All of the above
Texture, structure, and fertility
Correct answer is C
Soil properties play a critical role in agricultural practices and the successful cultivation of crops.