Worksheets15/01/2026-OVERSEER GRADE 3-IRRIGATION
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
As per the Planning Commission (1978–79), an irrigation project with a Culturable Command Area (CCA) of 4,500 hectares is classified as:
a)
Major Irrigation Project
b)
Medium Irrigation Project
c)
Minor Irrigation Project
d)
Micro Irrigation Project
2.
Which surface irrigation method is the most widely used in India for crops like Wheat and Fodder?
a)
Wild Flooding
b)
Check Basin Method
c)
Border Strip Method
d)
Furrow Method
3.
In the Check Basin method of irrigation, the field is divided into small plots. This method is the 'Universal Standard' for which crop?
a)
Cotton
b)
Potato
c)
Paddy (Rice)
d)
Sugarcane
4.
The 'Ring Basin Method' is a specialized variation of the check basin used exclusively for:
a)
Close-growing crops
b)
Row crops
c)
Orchards (Fruit trees)
d)
Hilly areas
5.
In Furrow irrigation, water is applied through small channels. What is the typical percentage of the land surface that is actually wetted?
a)
10% – 20%
b)
20% – 50%
c)
60% – 80%
d)
100%
6.
Sprinkler irrigation (Overhead irrigation) is generally unsuitable for which of the following conditions?
a)
When the soil is sandy/highly permeable
b)
When the land is undulating or irregular
c)
When the wind velocity is higher than 15 km/h
d)
When the water table is high
7.
Which modern irrigation method is known as the 'Feeding Bottle Technique' due to its high precision?
a)
Sprinkler Irrigation
b)
Drip Irrigation
c)
Subsurface Irrigation
d)
Check Basin Irrigation
8.
The process of applying water-soluble fertilizers through an irrigation system is known as:
a)
Mulching
b)
Leaching
c)
Fertigation
d)
Desalinization
9.
Assertion (A): Drip irrigation is highly recommended for saline soils. Reason (R): The continuous moisture in the root zone pushes salts toward the edge of the wetted area.
a)
Both A and R are true and R is the correct explanation of A
b)
Both A and R are true but R is NOT the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
10.
Assertion (A): Sprinkler irrigation is preferred for Rice (Paddy) cultivation. Reason (R): Rice requires standing water and constant ponding for growth.
a)
Both A and R are true and R is the correct explanation of A
b)
Both A and R are true but R is NOT the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
100 %
