List of top Questions asked in ICAR AIEEA (PG)- 2022

The crop coefficient (Kc) for major crops at harvest:
A. Maize
B. Sorghum
C. Soybean
D. Cotton
Match with the following Kc values:
I. 0.50 – 0.60
II. 0.55 – 0.60
III. 0.65 – 0.70
IV. 0.40 – 0.50
Choose the correct answer from the options given below:
Water requirement satisfaction index (WRSI) can be computed using the information on seasonal actual evapotranspiration (AET) and seasonal crop water requirement.
Actual evapotranspiration equals maximum evaporation (ET0) when:
A. Soil moisture not constraint
B. Other factors not constraint
C. Both A and B
D. A but not B
Choose the correct answer from the options given below:
A wheat crop grown on two hectare area produced 10 ton grain and required 5 irrigations of 6 cm each, find out its field water use efficiency:
What is the efficiency (%) of sprinkler irrigation?
The ratio of average depth of water stored in root zone soil depth during irrigation to the water diverted from the reservoir is known as:
Which stages are the most sensitive to water deficit in groundnut?
How much area can be irrigated with a flow rate of 30 liters per second for 10 hours a day when irrigation requirement of the 100 days duration crop is 50 cm?
Which of the following is not a flow measuring device?
The slope of the ground for the construction of border strip irrigation is:
Statement I: A surface irrigation event is composed of four phases namely, advance phase, storage phase, depletion phase and recession phase.
Statement II: In recession phase of surface irrigation, the depth of water applied to any point in the field is a function of opportunity time, length of time for which water is present on soil surface.
In light of the above statements, choose the correct answer from the options given below:
Assertion A: Temperature above 25°C reduces the test-weight of wheat grain.
Reason R: Reduction in test-weight of wheat grain is due to hastening in maturity.
In light of the above statements, choose the correct answer from the options given below:
Match List I with List II - Match the irrigation project with its state:

List I & List II
Irrigation project & State
A. Koyna & I. Himachal Pradesh
B. Idukki & II. Maharashtra
C. Govind Sagar & III. Kerala
D. Hirakud & IV. Odisha

Choose the correct answer from the options given below:
Match List I with List II - Match the crop in List I with the registered herbicide in List II:

List I & List II
Crop & Herbicide
A. Soybean & I. Anilophos
B. Maize & II. Glyphosate
C. Rice & III. Tembotrione
D. Tea & IV. Quazalofop-ethyl

Choose the correct answer from the options given below:
Assertion A: The first shorter cycle is from precipitation into the soil and then as evaporation and transpiration back to the atmosphere is called blue water.
Reason R: The second cycle or green water follows longer path from precipitation through soil moisture, ground water and rivers to the soil.
In light of the above statements, choose the correct answer from the options given below:
Match List I with List II - Match the herbicides in List I with their rate of application in List II:

List I & List II
Herbicide & Rate of application
A. Metolachlor & I. 150-200 g/ha
B. Tembotrione & II. 20 g/ha
C. Pyrazosulfuron-ethyl & III. 1500 g/ha
D. Oxyfluorfen & IV. 120 g/ha

Choose the correct answer from the options given below:
A phenomenon in degradation process wherein an intermediate product of herbicides proves more phytotoxic than the parent compound is:
Volume of water required to spray herbicide in 2 ha land, if 2 litre water is used for a swath of 1.4 m width and 50 m length:
Statement I: C3 weeds such as Avena fatua, Phalaris minor and Chenopodium album are generally more competitive than C4 weeds especially at higher temperature conditions.
Statement II: In C4 weeds photosynthesis occurs via the Calvin-Benson Cycle and the first stable product is phosphoglyceric acid.
In light of the above statements, choose the correct answer from the options given below:
Find out the amount of LAUDIS 4% SC for 6000 m\(^2\) maize plot if the rate of tembotrione application is 120 g/ha.
The amount of bispyribac sodium 10% SC required to spray in 1 hectare area at the rate of 25 g a.i./ha is:
Match List I with List II - Match the mode of action in List I with the herbicides in List II:

List I & List II
Mode of action & Herbicide
A. Cell division disruption & I. Fluazifop-p-butyl
B. ALS inhibition & II. Glyphosate
C. ACCase inhibition & III. Dinitroaniline
D. EPSP synthase & IV. Sulfonyl ureas

Choose the correct answer from the options given below:
Tembotrione has been registered in India for its use in:
Statement I: In case of pre-emergence herbicides less droplet size is effective and for post-emergence herbicides bigger droplet size is desirable.
Statement II: More the size of droplet, less the chance of herbicide drift and less herbicide activity.
In light of the above statements, choose the correct answer from the options given below:
Match List I with List II - Match the weed in List I with their bio-control agent in List II:

List I & List II
Weed & Bio-control agent
A. Orobanche & I. Cassia tora
B. Parthenium & II. Teleonemia scrupulosa
C. Lantana camara & III. Colletotrichum gloeosporides
D. Cuscuta & IV. Phytomyza

Choose the correct answer from the options given below: