What is a river whose floods rise and fall suddenly after storm rain called?
Correct answer B. Flashy
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Agriculture MCQs
Page 39 of Agriculture multiple-choice questions with answers. Tap an option to check yourself.
Page 39 of 135
What term describes the increase in soil density caused by applied load or pressure?
Correct answer B. Compaction
Which techniques are used to evaluate soil fertility?
Correct answer D. All of these
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What is a river called that does not significantly change its alignment, slope or regime?
Correct answer B. Stable river
Where is the International Union of Forest Research Organizations (IUFRO) based?
Correct answer C. Austria
What is the area irrigated in a year that grows crops on which water rates are levied called?
Correct answer B. Area Assessed
Tunnel erosion is a form of which type of erosion?
Correct answer A. Gully erosion
What is a flood that exceeds the design magnitude of a reservoir called?
Correct answer A. Standard project flood
On which date is the International Day of Forests celebrated?
Correct answer B. 21 March
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A unit hydrograph is the runoff hydrograph from a rainstorm of a specified duration. What is that duration called?
Correct answer A. Unit duration
According to the Soil Survey of Pakistan, what is the total waterlogged area during the summer rains?
Correct answer D. 4.11 mha
A Pitot tube converts the velocity head of flowing water into pressure. Which relation does it use?
Correct answer A. H = v2/2g
What is the ratio of the actual vapour pressure to the saturation vapour pressure at the same temperature called?
Correct answer A. Relative Humidity
Which sustainable technologies can control waterlogging?
Correct answer D. All of these
What is the difference between saturation vapour pressure and actual vapour pressure at a constant temperature called?
Correct answer B. Saturation deficit
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Approximately how much irrigated land in Pakistan is affected by salinisation?
Correct answer C. 5.7 mha
Which are sustainable ways of improving soil fertility and physical condition?
Correct answer D. All of the above
When water vapour is mixed with other gases in the atmosphere, what is the pressure exerted by each component of the mixture called?
Correct answer D. Partial pressure
In which soil orders does soil erosion mainly occur?
Correct answer C. Both a & b
What is the curve called that shows how river flow falls after the peak as groundwater contributions decline over time?
Correct answer B. Ground water depletion curve