List of top Physical Sciences Questions on Basics of Soil Science

Thornthwaite's formula is used for the calculation of
Which of the following is an example of a non-edible oilcake is NOT suitable for feeding cattle?
Water use efficiency in increasing order
Irrigation is likely to be used, where the water supply is ample and the market value of the crop is low
Given below are two statements:
Statement I: Dominance of $\text{Ca}^{2+}$ and $\text{Mg}^{2+}$ on the clay exchange complex decrease the zeta potential that results in the flocculation of clay particles.
Statement II: High $\text{Na}^+$ saturation in the soil increases the zeta potential resulting in dispersion of clay particles.
In light of the above statements, choose the correct answer from the options given below:
The cation exchange capacity of clay minerals follows in the order of
Which of the following is the available form of Molybdenum to plants?
Which of the following suborder belongs to the order of Alfisols?
Which of the following is the prerequisite for aggregation?
Which of the following sphere is NOT associated with the soil?
Given below are two statements
Statement I: The permanent negative charges result from the isomorphous substitution
Statement II: The permanent negative charges result from exposed crystal edges
In light of the above statements, choose the correct answer from the options given below
Match List I with List II
Choose the correct answer from the options given below:
Which soil has more K fixation capacity
Soil pH is measured from the soil water suspension in the ratio of
The structural formula of phyllosilicates is
Which of the following is NOT related to anion exchange capacity?
The oxygen diffusion rate (ODR) is measured by the method of
In which of the indices of soil structure, the logarithm of mean diameter is used
Stoke's law suggests that the velocity of fall of particles is directly proportional to
Match List I with List II
Choose the correct answer from the options given below:
Given below are two statements
Statement I: Higher exchangeable sodium ($>$15%) makes the soil dispersed and favours soil crustation
Statement II: Exchangeable calcium in soil helps in forming stable soil aggregates by its effect of flocculation
In light of the above statements, choose the correct answer from the options given below
Which of the following structure is most desirable for agricultural operations
Given below are two statements
Statement I: The epipedon which is light in colour and contains $<$1% organic matter is known as Ochric epipedon
Statement II: Dark coloured epipedon having $>$50% base saturation and organic matter of $>$1% is known as Histic epipedon
In light of the above statements, choose the correct answer from the options given below
Which of the following relationship is correct
Which of the following soil suborder belongs to the soil order of inceptisols?