What are crops that increase soil nitrogen, and therefore fertility, called?
Correct answer D. Leguminous crops
Subject / 2,686 questions
Agriculture MCQs
Page 30 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 30 of 135
When manure is exposed to rain, which nutrient is lost the most?
Correct answer C. N
What are seepage losses of irrigation water that do not reach the underground reservoir called?
Correct answer C. Absorption losses
Advertisement
How are the very high temperatures needed for ICP-AES achieved?
Correct answer B. Plasma
What is the force that holds two different bodies together when their surfaces are brought into contact called?
Correct answer C. Adhesion
What is the force that holds the particles of the same body together called?
Correct answer A. Cohesion
What type of organism is vesicular arbuscular mycorrhiza (VAM)?
Correct answer B. Fungi
What is the level above or below mean sea level, which is taken as zero level or datum, called?
Correct answer C. Reduce level
What is an association between two microorganisms in which one benefits and the other is unaffected called?
Correct answer D. Commensalism
Advertisement
Significant crop damage generally occurs when the capillary meniscus reaches the permanent wilting point. What is this moisture known as?
Correct answer D. A & B
In which soils is the organic (O) horizon absent?
Correct answer D. Arable soils
What is packing with clay material to check water leakage called?
Correct answer A. Pug
Integrated Nutrient Management (INM) is a well-accepted approach for the sustainable management of what?
Correct answer C. Both A and B
What kind of root system does onion have?
Correct answer C. Shallow
What is the most suitable method of applying phosphatic fertilisers?
Correct answer D. Basal placement
Advertisement
When an earth dam rests on fine, loose cohesionless material, which analysis of the foundation against shear must be carried out?
Correct answer D. Stability
At what temperature are soil samples dried for gravimetric moisture analysis?
Correct answer D. 105 °C
In an ogee spillway, the discharge is directly proportional to which power of the head?
Correct answer B. H^3/2
The Walkley and Black method of organic matter determination recovers about what percentage of organic carbon?
Correct answer A. 77%
What is the sheet of water flowing over an ogee spillway called?
Correct answer B. Nappe