List of top Questions asked in ICAR AIEEA (PG)

Statement I: Plants can tolerate drought either by mitigating the actual stress or by showing a high degree of tolerance to stress.
Statement II: Plants tolerate the stress by showing resistance to dehydration and by preventing leaf collapse, permit the plants to maintain a high internal water potential in spite of drought conditions.
In light of the above statements, choose the correct answer from the options given below:

The following are the types of drought:
A. Invisible drought
B. Contingent drought
C. Meteorological drought
D. Permanent drought
Choose the correct answer from the options given below:

Statement I: Plants absorb nitrogen from the soil solution as nitrate (NO\(_3^-\)) and as ammonium (NH\(_4^+\)) ions.
Statement II: The content of N in healthy plants ranges between 1 and 5% depending upon the species or variety.
In light of the above statements, choose the most appropriate answer from the options given below:

The pH range of normal soils is:

Statements:
A. Magnesium deficiency symptom shows the first appearance of chlorosis mainly between veins (which remain green).
B. Iron deficiency causes interveinal chlorosis which first appears in older leaves with distinct green veins.
C. Manganese deficiency causes brownish black spots in pea and grey speck of oat.
D. Boron deficiency shows brownish or reddish young leaves and growing points of shoot and roots die.
Choose the correct answer from the options given below:

Match List I with List II:
A. Bray
B. Mitscherlich
C. O.W. Wilcox
D. Parker
Match with the following:
I. Law of diminishing return
II. Per cent yield concept
III. Nutrient Index
IV. Inverse Nitrogen-Yield concept
Choose the correct answer from the options given below:

Match the nutrient deficiency symptoms:
A. Sulphur
B. Phosphorus
C. Nitrogen
D. Boron
Match with the following symptoms:
I. Reddish colour on green leaves or stem appearing on older leaves
II. Chlorosis starting from leaf tips appearing on older leaves
III. Youngest leaf is brownish or dead (e.g. on beet)
IV. Mottled yellow-green leaves with yellowish veins appearing on younger leaves
Choose the correct answer from the options given below:

Statement I: Use efficiency of fertilizer NPK can be improved by following integrated nutrient management (INM).
Statement II: Integrated nutrient management (INM) utilizes the use of organic manure, inorganic fertilizers and biofertilizers.
In light of the above statements, choose the most appropriate answer from the options given below:

Statement I: Acid sulphate soil is formed due to formation of Jarosite.
Statement II: Acid sulphate soil is found in Himachal Pradesh.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion A: Integrated use of phosphatic fertilizers and organic manure/crop residues increases P use efficiency by reducing P-fixation in soils.
Reason R: Decrease in P-fixation in presence of organic matter in soils may be ascribed by formation of phosphohumic complexes that are easily assimilated by plants and formation of coating on the surface of sesquioxide particles.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion A: Prolonged use of ammonium fertilizers may cause acidification of soils.
Reason R: Application of ammonium fertilizers leads to accumulation of nitrate ions in soils.
In light of the above statements, choose the most appropriate answer from the options given below:

Assertion A: Nickel is essential for the function of urease enzyme.
Reason R: Nickel helps in breaking down urea into NH\(_3\) and CO\(_2\).
In light of the above statements, choose the most appropriate answer from the options given below:

Which of the following is a slow release nitrogenous fertilizer?

Mitscherlich's equation is expressed by the equation:

The primary raw material used for commercial manufacturing of Muriate of Potash fertilizer is:

Bray's No. 1 reagent consists of mixture of:

Essentiality of zinc in plant was discovered in 1926 by:

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:

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:

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.

The correct order of crops with respect to their water requirement is:

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?

Which of the following is not a flow measuring device?