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WorksheetsDay 51-Nov 12-worksheet-Diploma-Irrigation methods
Total questions: 15
Worksheet time: 10mins
Which type of irrigation wets the entire soil surface and is also called uncontrolled irrigation?
Perennial irrigation
Drip irrigation
Inundation irrigation
Lift irrigation
Irrigation projects having CCA more than 10,000 ha are classified as:
Minor
Medium
Major
Micro
In border strip irrigation, usual strip length is:
10–25 m
25–80 m
100–400 m
400–800 m
Method with highest water application efficiency:
Surface irrigation
Furrow irrigation
Sprinkler irrigation
Drip irrigation
Furrow irrigation is generally not suitable for:
Cotton
Potato
Wheat
Maize
True/False: Sprinkler irrigation is suitable for all crops including rice.
True
False
True/False: Storage irrigation is constructed across non-perennial rivers.
True
False
Assertion–Reason: Assertion (A): In perennial irrigation, crops receive controlled water supply. Reason (R): Water is supplied only during the rainy season.
Both A and R true and R explains A
Both A and R true but R does not explain A
A true, R false
A false, R true
Area that can be cultivated under an irrigation system is called (a) .
Uncontrolled flooding in inundation irrigation is also called (a) flooding.
In ————-irrigation, wetted area is only One-half to one-fifth of total area.
(a)
Impervious layer placed around plants to check evaporation is called (a) .
Which of the following are advantages of drip irrigation? (Select all correct options)
Very high water-use efficiency
Reduced weed growth
Fertilizer application is easier
All
Irrigation where water is supplied by pumping from wells or rivers is called what?
(a)
Pick the correct value: Typical water application efficiency of sprinkler irrigation is how many percent?
20
40
97
75
