List of top Physical Sciences Questions on Plant Nutrition asked in ICAR AIEEA (PG)

Trace elements that show affinity for sulphide minerals are called

Element associated with urease activity

The different pools of potassium in soils are
(A). Soil solution K
(B). Fixed K
(C). Exchangeable K
(D). Lattice K
Choose the correct answer from the options given below:

The characteristic of Saline-Alkali soil are

Elements associated with nitrogenase enzyme in biological nitrogen fixation
(A). Molybdenum
(B). Iron
(C). Copper
(D). Nickel

Choose the correct answer from the options given below:

Bone meal is a source of
(A). Ca
(B). N
(C). P
(D). Mo

Choose the correct answer from the options given below:

Mottle leaf of citrus is caused by the deficiency of

Stable compound formed during urea hydrolysis

The parameters of N use efficiency are
(A). Appaent N. recovery
(B). Agronomic efficiency
(C). Production efficiency
(D). Physiological N efficiency

Choose the correct answer from the options given below:

Arrange the following in increasing the amount of nitrogen in the fertilizers:
(A). Ammonium sulphate,
(B). Ammonium nitrate,
(C). Ammonium chloride,
(D). Calcium ammonium nitrate

Choose the correct 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) : Ammonium-based fertilisers are the major contributors to soil acidification.
Reason (R) : Especially the non-leachable nitrogen ions which have been taken up by plants contribute to the soil acidity.

In light of the above statements, choose the correct answer from the options given below.

According to Bray's Nutrient Mobility concept, which among following element is mobile in plants but immobile in soil?

Which of the following nutrient is related with deficiency symptoms like discoloration of leaf buds, breaking and dropping of buds?

Match List-I with List-II
{|p{7cm}|p{7cm}|} List-I (Mineral Element) & List-II (Function)
(A) Molybdenum & (I) Water Oxidation
(B) Manganese & (II) Chlorophyll Structure
(C) Magnesium & (III) Nitrogen fixation
(D) Zinc & (IV) Auxin Synthesis

Match List-I with List-II
{|p{7cm}|p{7cm}|} List-I (Discover) & List-II (Scientist)
(A) Nutrient essentiality criteria & (I) Y.L. Nene
(B) Stages of cell & (II) Arnon and Stout
(C) Cell & (III) Robert Hooke
(D) Khaira disease & (IV) Walther Fleming

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Mobility is the overall process where by nutrients reach the root surface and sorption into plant.
Reason (R) : Mobility involves the solution or exchange of nutrients and movement to root surface.
In light of the above statements, choose the correct answer from the options given below.

Point out the mobile nutrients in soil

Match List-I with List-II

List-I (Theory proposed) & List-II (Author)
(A) Father of fertilizer Chemistry & (I) Jackson
(B) Nutrient index & (II) Stanley A Barber
(C) Root interception & (III) Liebig
(D) Weathering index & (IV) Parker

Phosphorus is immobile in soil because
(A) phosphate ions are held by anion exchange
(B) Phosphate ions are held by ligand exchange
(C) Phosphate ions are adsorbed as sparing soluble phosphates of Fe/Al.Ca
(D) Phosphate ions are leached as completely soluble phosphates of Fe/Al.Ca
Choose the correct answer from the options given below :

Which of the following is true ?
(1) Uptake of Mo by plant reduces with S application
(2) Boron toxicity decreases with decreasing concentration of calcium
(3) Iron plays a synergistic role in relation to zinc
(4) High copper in soil cause dieback in citrus

Suppose roots, straw, and grains of a wheat crop produce dry matter of 2.5 t/ha, 6 t/ha, and 4 t/ha containing 0.2%, 0.5%, and 1.5% N, respectively. How much total N uptake by the above-ground portion ?

Diseases occurring due to Ca deficiency are
(A) Hollow heart in Groundnut
(B) Frenching of Citrus
(C) Pod popping in Groundnut
(D) Pillowing of Cucumber
Choose the correct answer from the options given below :

Identify the copper-containing minerals.
(A) Covellite
(B) Azurite
(C) Powellite
(D) Limonite
Choose the correct answer from the options given below :