Practice Soils and details Questions and Answers

• The soil amendment used for the reclamation of Sodic soil is
• The ESP of saline soils is _____%
• The EC of Sodic soil is __mmho/cm at 25 ℃ .
• The acidic soils can be reclaimed by the application of ____
• The element which becomes deficit in acidic conditions ___
• Which of the following crop is/are soil salinity tolerant?
• Factor responsible for the formation of Saline soils/White alkali is/are:
• Which of the following is acid tolerant crop?
• Acidic soils are generally found in the regions of
• Sodic soils are also known as_____
• The Indian seed act was passed in the year
• Soil moisture potential is measured with the help of ______instrument.
• Soil health card with the tagline “Swasth Dharaa, Khet Haraa” was launched on ____.
• The water that is held mostly by soil colloids and it is mostly non-liquid or moves in vapour form, the soil water is termed as
• Toxicity of which element leads to the unavailability of iron and zinc
• ……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients....
• Match the following: 1.         Soil moisture tension                                               �...
• For the farmers, ………………………………. Soil structure is favourable for plant growth....
• The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3
• Flooding is the method used for the reclamation practice in which of the problematic soil?
• …………………………means the crop producing capacity of a soil which is measured in terms of yield (bio-mass)....
• The disorder of carrot that occurs due to undecomposed manure and hard soil pan
• According to the mobility of element in soil; which of the following is considered as Immobile in soil.
• The most suitable soil type for groundnut cultivation is _____
• Which of the following parameter is not included in the Soil health card?
• The term “operational holding” refers to
• Which of the following primary tillage operation is used to invert the soil partially or completely?
•   The larger the soil aggregates, the greater is the amount of ……………………….pores.
•   Biological oxidation of elemental Sulphur is carried out by which of the following bacteria?
• Soil structural units having horizontal axis much longer than vertical axis. Such type of soil structure is known as
•   The root nodule of legumes contain a pink pigment which has affinity for oxygen is
• Soil is a natural body composed of mineral and organic costituents, having definite genesis and a distinct nature of its own. Who amongst the following is ...
• What is the term used for the study of soil in relation to higher plants? Choose the best answer from the following options
• Which of the following factors are considered to be the most active in the process of soil formation?
• Which of the following is a process of breaking down and altering the physical and chemical properties of rocks and minerals, leading to soil formation?
•  Every year to raise awareness about the importance of soil quality for food security, healthy ecosystems, and human well-being, World soil day is celebra...
• Reclammation of acidic soils is done by the use of……………………..
• …………………..measures the proportion of cation exchange sites occupied by sodium.
• The  saline  soils  contain  toxic  concentration  of  soluble  salts  in  the  root  zone. These saline soils are also known as……………...
• The soil having   pH value of < 8.5 with EC (electrical conductivity) is > 4.0 millimhos/cm and ESP < 15%  is ____