List of top Questions asked in ICAR AIEEA (PG)- 2024

Polygene term was given by one of the following?
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Tetracycline inhibits protein synthesis in bacteria.
Reason (R): It prevents binding of aminoacyl tRNA to A-site of active ribosomal subunit.
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A lateral has 12 sprinklers spaced 14 metres apart. The laterals are spaced 20 metres on the main line. Determine the amount of fertilizer to be applied at each setting when the recommended fertilizer dose is 80 kg/ha.
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Which of the following statements regarding Hooghoudt's equation are correct?
(A). Gives the relation between the spacing of drains and the height of the water table.
(B). Darcy's law is valid for the flow.
(C). The soil is heterogenous.

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A Persian wheel with an average discharge of 230 litres/minute irrigates 1 ha of wheat crop in 50 hrs. What is the average depth of irrigation?
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Alkali soils/sodic soil have
(A). Very high permeability
(B). Salts dominated by bicarbonates, carbonates and silicate of sodium.
(C). pH greater than 8.5.
(D). Electrical conductivity greater than 4 dS/m.
(E). Exchangeable Sodium Percentage is greater than or equal to 15.

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Because of the shrinkage, the cut fill ratio should be greater than
Lands under Class II
(A). Require moderate conservation practices.
(B). Have gentle slope.
(C). Severe salinity
(D). Slight to moderate salinity
(E). Permanent Forest

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Given below are two statements:
Statement (I): Check basin method is suitable for irrigated crops which are sensitive to wet soil conditions around the stems of plants.
Statement (II): Check basin irrigation is the most common method of irrigation in India and in many other countries.

In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following statements regarding basic equation for flow through the weir are correct?
(A). \(Q = 0.0186 L H^{2/3}\)
(B). \(Q = 0.0184 L H^{7/2}\)
(C). \(Q = C L H^m\)

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Given below are two statements:
Statement (I): The direct measurement of relative humidity is done using hygrometer.
Statement (II): The most common method of measuring relative humidity is using dry and wet bulb thermometers.

In light of the above statements, choose the most appropriate answer from the options given below.
Compute the head loss due to friction in a pipe 7.5 cm in diameter and 120 m long when the water is flowing at a velocity of 1.8 m/s. The value of f may be assumed to be 0.005:
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Which of the following statements regarding construction and installation of weirs are true?
(A). The velocity of approach of water to the weir should not be considered.
(B). Weir crest should be placed closer than 2H from the bottom of the channel.
(C). The head over the weir should be measured on the upstream side at a distance of at least 4 times the head of flow from the weir.
(D). The falling water surface from the weir should not have free flow.

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Which of the following statements regarding hydrologic soil groups are correct?
(A). Group-A soils having high runoff potential.
(B). Group-A soils having high infiltration rates.
(C). Group-C soils having low infiltration rates.
(D). Group-B soils having very low infiltration rates.
(E). Group-D soils having moderately low runoff potential.

Choose the correct answer from the options given below:
Match List-I with List-II


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1 cm of rainfall over a catchment area of 1 \(\text{km}^2\) represents a volume of water equal to:
Consider the statement(s) given below :
(A). The porosity of a material is dependent upon the arrangement of the particles, shape of grains and degree of assortment.
(B). The rhombohedral arrangement gives the maximum porosity.
(C). Transmissivity is expressed as sq. metres per day.

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Given below are two statements:
Statement (I): Soil profile is a vertical section of the soil from the surface through all its horizons.
Statement (II): Soil texture is the arrangement of individual soil particles with respect to each other into a pattern.

In light of the above statements, choose the most appropriate answer from the options given below.
The most appropriate wooden equipment for land smoothening operation is:
Given below are two statements:
Statement (I): Record from the tipping bucket gives data on the rainfall intensity.
Statement (II): Natural siphon-type recording raingauge gives a plot of the mass curve of rainfall.
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II:

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Safe limits of land slope (%) for efficient irrigation in medium (loamy) soils is: