With which soils is the soil order Vertisol associated?
Correct answer A. Black soils
Subject / 2,686 questions
Agriculture MCQs
Page 49 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 49 of 135
What is the process of making saline water fit for irrigation and drinking using membranes and reverse osmosis called?
Correct answer C. Desalinisation
A normal plant suddenly starts reproducing parthenogenetically. How will the chromosome number of the second generation compare with that of the parent plant?
Correct answer C. Same
Advertisement
The clay fraction of soil contains particles smaller than 0.002 mm. What are these particles known as?
Correct answer B. Soil colloids
What is the practice of mixing saline water with fresh water in a set ratio for irrigation called?
Correct answer A. Amalgamation
What is a cross between a hybrid and its recessive parent called?
Correct answer B. Test cross
What is the correct sequence of soil erosion by water?
Correct answer C. Sheet-Rill-Gully
A hydraulic jump forms to dissipate energy when the flow is of which type?
Correct answer C. Shooting flow
What term describes the observable physical appearance of an organism?
Correct answer A. Phenotype
Advertisement
Which nutrient plays the most effective role in regulating the rate of transpiration?
Correct answer A. Potassium
What is the depth of water in a channel at which specific energy is minimum called?
Correct answer C. Critical depth
What is the condition of a soil at field capacity?
Correct answer C. All the macropores are filled with air and the micropores with water
What is the offspring of a cross between unlike organisms called?
Correct answer B. Hybrid
At what depth will discharge through a rectangular channel be maximum?
Correct answer D. Half of its width
By which process does nitrogen mainly move in soil to plant roots?
Correct answer B. Mass flow
Advertisement
What is an abnormal cell with an irregular number of chromosomes called?
Correct answer B. Aneuploid
According to Chezy’s formula, what is the discharge through an open channel equal to?
Correct answer C. Ac√R.S
At what soil reaction is phosphorus availability greatest?
Correct answer B. Neutral
What happens when a diploid cell undergoes normal meiotic division?
Correct answer C. All homologous chromosome pairs will separate
What is the hydraulic mean depth of a circular pipe of diameter d flowing full?
Correct answer C. d/4