List of top Questions asked in ICAR AIEEA (PG)

What is the minimum cardinal temperature ($^{\circ}$C) of maize and wheat

Rotenone is a

An enzyme that joins the ends of two strands of nucleic acid is

Sugarcane seed sets essentially have buds

Given below are two statements:
Statement (I): The direction of movement of water and nutrients in xylem and phloem is unidirectional
Statement (II): Sucrose is transported from the source to the sink via phloem
In light of the above statements, choose the most appropriate answer from the options given below.

When farmers of a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield in pulse crop

Which one of the following is a wrong statement

Given below are two statements:
Statement (I): The greater the concentration of water in a system, lower is its kinetic energy or water potential
Statement (II): Pure water will have the lowest water potential
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 other one labelled as Reason (R).
Assertion (A): Water and mineral uptake by root hairs from the soil occurs through apoplast until it reaches endodermis.
Reason (R): Casparian strips in endodermis are suberized.
In light of the above statements, choose the correct answer from the options given below.

Osmotic expansion of a cell kept in water is chiefly regulated by an organelle

The golgi complex plays a major role

Nitrogenase

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Nitrogen fixing bacteria require a rich supply of carbohydrates.
Reason (R) : The process of nitrogen fixation requires 16 ATP molecules for the synthesis every 2 ammonia molecules.
In light of the above statements, choose the correct answer from the options given below.

Which of the following is not a correct pairing of a macronutrient and its major function in growth and developments of plants

Most abundant gas in our atmosphere that plants cannot utilize directly in its atmospheric form and is captured by certain bacteria that live symbiotically in the nodules of roots

Given below are two statements:
Statement (I): Low salinity water can be used for irrigation with most crops and most soils. But some leaching is required.
Statement (II): Medium salinity water can be used with crops that can tolerate moderate salinity and leaching. But high salinity water is not ordinarily suitable for irrigation but to be used under special conditions with good drainage and with salt tolerant crops.
In light of the above statements, choose the most appropriate answer from the options given below:

Identify the valid assumptions applied in Laplacian equation:
(A) Water is compressible
(B) The soil is incompressible and porous.
(C) The quantity of water entering the soil in any given time is the same as the quantity flowing out of soil.
(D) Darcy's law is valid for the given soil and hydraulic boundary conditions at the entry and exit are known.
Choose the correct answer from the options given below:

The USBR recommendations for minimum freeboard of a control spillway over its maximum water level for earth dam having height less than 60m is:

The main causes of soil erosion can be:
A. destruction of natural protective cover
B. change of climate
C. increase of wind speed
D. improper use of land
Choose the correct answer from the options given below:

Given below are two statements:
Statement (I): The soil moisture depletion method is usually employed to determine the consumptive use of unirrigated field crops grown on fairly uniform soils when the depth to the ground water is such that it will not influence the soil moisture fluctuation within the root zone.
Statement (II): The field experimental plots technique though satisfactory for computing seasonal water requirements, does not provide information on intermediate soil moisture condition, short term use, profile use, deep percolation losses and peak use rate of the crop.
In light of the above statements, choose the most appropriate answer from the options given below:

Which possible combination of aquifers are encountered by deep wells depending on the hydro-geological characteristics of a particular area:
(A) A series of confined aquifers
(B) A series of semi confined aquifers
(C) A combination of confined and semi confined aquifers
(D) A confined aquifer underlain by a series of unconfined aquifers
(E) An unconfined aquifer underlain by a series of semi-confined aquifers
Choose the correct answer from the options given below: