What is the volume of water that a unit volume of aquifer releases by gravity drainage called?
Correct answer C. Specific yield
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Agriculture MCQs
Page 58 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 58 of 135
What is an aquifer called when it holds water under high pressure because it is sandwiched between two impervious layers?
Correct answer C. Confined aquifer
What percentage of the world’s total water is saline and held in the oceans?
Correct answer D. 97.5%
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Which experimental design controls fertility variation in one direction?
Correct answer C. RBD
What percentage of the available soil moisture is considered readily available to plants?
Correct answer C. 80%
Which test is used to determine whether differences among several means are significant?
Correct answer A. F-test
Which water in the root zone, making up roughly half of the soil moisture, is always available to plants?
Correct answer C. Capillary water
Dee-geo-woo-gen is the source of the dwarfing gene in which crop?
Correct answer C. Rice
On what does water storage efficiency in the root zone depend?
Correct answer C. Porosity
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Norin 10 is the source of dwarfing genes in which crop?
Correct answer A. Wheat
On which river is the Tanda Dam built?
Correct answer A. Kohat
Who coined the term ideotype?
Correct answer A. Donald (1968)
When the reservoir upstream is full, where does the maximum stress in a dam occur?
Correct answer A. Bottom of dam
Which signs indicate drought stress in plants?
Correct answer D. All the above
What are the steep conduits through a dam that carry water to turbines for hydroelectric power called?
Correct answer C. Penstocks
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What increases in plants under drought conditions?
Correct answer D. All of the above
What is the resultant water pressure on the face of a dam, where w is the unit weight of water and H the depth?
Correct answer B. 1/2 wH²
How is drought tolerance measured?
Correct answer D. All the above
What type of flow always occurs within the ground?
Correct answer D. Laminar
In wheat, durable insect resistance includes resistance to which pests?
Correct answer D. All of the above