List of top Questions asked in ICAR AIEEA (PG)- 2020

For a concrete or paved surface, curve number will tend to be almost equal to

Ruggedness number of a watershed is given as

A Third-order stream is formed when
A. A second-order stream joins a second-order stream
B. Two second-order streams join a third-order stream
C. A first-order stream joins a second-order stream
D. A third-order stream joins a third-order stream
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The major function of the emergency spillway in a farm pond is to safeguard the earthen embankment/ dam from

For Indian black soils under AMC-I conditions, the best relationships among Initial Abstraction (\(I_a\)) and the Potential Maximum Retention (\(S_m\)) is given by the popular SCS-CN method. Select the best from options given below

The peak runoff rate \(Q_p\) in \(\text{m}^3\text{/s}\) by the Ryves formula is given as \(Q_p = C_r A^b\), where A is the area in \(\text{km}^2\) and \(C_r\) is Ryves constant. The value of exponent b is

In watershed hydrology, the 'Kirpich's Equation' is used to directly compute

What would be the estimated peak rate of runoff (\(\text{m}^3\text{/s}\)) from a 100 ha catchment having value of runoff coefficient (C) as 0.3 and intensity of rainfall for duration equal to time of concentration as 120 mm/hr?

Tetrasodium polyphosphate is used in ponds to reduce

In case of thermal stratification in ponds, the layer of cooler water is known as

Elongation ratio (Re) used to describe the shape of a watershed is given by

Arrange the following irrigation projects in order of construction from the earliest to most recent
A. Sarda canal
B. Damodar Canal
C. Pawara Canal
D. Kharung Canal
E. Ken Canal
Choose the correct answer from the options given below

Water resources are often reported in Billion \(\text{M}^3\), \(\text{Km}^3\) and Million ha-m (m ha-m). Which two of these are the same?

Key lock theory given by Fisher (1898) explain the mode of action of

How many divisions of enzymes have been suggested by International Union of Biochemistry?

Theory of proton transport concept given by Levitt in 1974 related to

Crassulacean acid metabolism is present in

Match List I with List II

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Per Drop More Crop (PDMC) is the component of which of the following programmes of the Government?

In respiration, the end product of glycolysis process is

Match List I with List II

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With 46% N content in urea and recommended dose of 150 kg N/ha for maize crop, how much urea is required to apply one-third nitrogen of the recommended dose?

Of the following states, which state has highest acreage and production of rice?

Produce of which one of the following crops is NOT a part of food grain production in India?

Which of the following is NOT the pillar of conservation tillage?