List of top Water Science and Technology Questions on Irrigation Engineering asked in ICAR AIEEA (PG)

If the width of the approach channel is $5\text{ m}$ and head over a Cipolletti weir is $1\text{ cm}$, then discharge over it will be}

Which of the following methods is not used for measurement of evapotranspiration?

Arrange the following methods of evapotranspiration estimation according to their development in ascending order:
A. Blaney and Criddle
B. Radiation
C. Penman-Monteith
D. FAO Modified Penman
E. Penman
Choose the correct answer from the options given below:

At critical state of flow, if the velocity of flow is 981 cm/sec, then the hydraulic depth and Froude number will be, respectively:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Interception is the process of precipitation caught by plant canopy.
Reason R: Interception loss is generally less in forest areas than agricultural crops.
In light of the above statements, choose the correct answer from the options given below:

Given below are two statements
Statement I: Graded bunds are laid out in areas where land is susceptible to water erosion, the soil is less permeable and area has no waterlogging problem.
Statement II: Graded bunds are more popular in India than broad-bed terrace.
In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements
Statement I: Enzymatic digestion of protein and proteinous compounds by non-specific heterotrophic microbes is amination process.
Statement II: Enzymatic conversion of ammonia to amino acid is ammonification process.
Ammonification process is carried out by both aerobic and anaerobic microorganisms.
In light of the above statements, choose the most appropriate answer from the options given below:

Boron is essential micronutrient, has some regulating role in plant. Mark the correct statement:
A. Regulates the K/Ca ratio in plants
B. Regulates carbohydrate metabolism
C. Require for synthesis of amino acid and protein
D. Structural component of haematin
E. Regulate nitrification process
Choose the correct answer from the options given below:

Arrange the given minerals based on their cation exchange capacity:
A. Kaolinite
B. Montmorillonite
C. Nontronite
D. Vermiculite
E. Illite
Choose the correct answer from the options given below:

Soil water potential can be expressed as:

The potential develop from gravitational, absorptive and capillary forces of soil matrix to soil water is known as:
A. Overburden potential
B. Gravitational potential
C. Osmotic potential
D. Matric potential
E. Submergence potential
Choose the correct answer from the options given below:

Mineral Colemanite is a source of which nutrient of plant:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Lower oxidation states of Mn, Fe and Cu (reduced state) are more soluble than higher oxidation state at normal range of soil pH.
Reason R: Presence of excess concentration of carbonate and bicarbonate ions in soil due to over liming or sodicity cause Fe deficiency to crops.
In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In highly acidic soil (pH < 5) most of the aluminium present in aluminium hydroxide cations form or bound by organic matter.
Reason R: Exchangeable acidity in soil mainly contributed by adsorbed hydrogen (H+) and aluminium ions on soil colloids.
In light of the above statements, choose the most appropriate answer from the options given below:

Some statements are given below:
A. Process that occurs under constant volume is isochoric in nature.
B. Chemical potential is a state function.
C. Spontaneity of chemical reaction is decided by energy and entropy factor.
D. Removing insoluble component with percolating water is called leaching.
E. A system in which matter can exchange with surrounding, but energy cannot, is referred as a closed system.
Choose the correct answer from the options given below:

Given below are two statements
Statement I: Carbonic anhydrase localize in cytoplasm and chloroplast but does not facilitate CO2 fixation in plant under extreme lower concentration of Zn in plant system.
Statement II: Nitrite oxidoreductase and guanine aminoreductase activity is indicator of Mo status in plant.
In light of the above statements, choose the most appropriate answer from the options given below:

As per Arnon and Stout (1939) about essential nutrient, which of the following statements are correct?
A. Impossible to complete vegetative phase of life cycle.
B. Impossible to complete reproductive phase of life cycle.
C. Plant complete life cycle but less yield.
D. Plant complete life cycle with optimal yield.
E. Plant complete vegetative phase but not reproductive phase of life cycle.
Choose the correct answer from the options given below:

The unit of kinematic viscosity in MKS system is

The most abundant element in the earth's atmosphere is:

The important Kharif crops in India are:

Which parasitic weed threatening the cultivation of rapeseed-mustard in north-western part of India?

Given below are two statements
Statement I: Food grains production in India during 2018-19 was 285.2 million tonnes.
Statement II: Contribution of wheat to the total food grains production during 2018-19 was 110 million tonnes.
In light of the above statements, choose the correct answer from the options given below:

Indian Journal of Agricultural Sciences is published by

Which of the following cell organelles are present in the nucleus of the cell?
A. Nucleolus
B. Golgi body
C. Chromatin
D. Mitochondrion
E. Chloroplast
Choose the most appropriate answer from the options given below: