Practice Soils and details Questions and Answers

• Which type of layer silicate clay minerals demonstrates a structure comprising two silica tetrahedral sheets and two magnesium-dominated tri-octahedral she...
• Which of the following element is mobile in soil but immobile in plants? 
• Which organic component, constituting approximately 10-30% in plant tissues, is often categorized as "very slowly decomposed"?
• A farmer wants to optimize soil organic matter and minimize nitrogen loss. Which practice would be most effective in achieving this balance?
• Which factor significantly influences the decomposition rate of organic matter in soils?
• What is the primary function of humus in soil?
• Why does a high C: N ratio in added organic matter initially slow down nitrogen availability for plants?
• ……………………………. is the prominent member of 1:1 type group in which one tetrahedral and one octahedral layer is present....
• Disorders like Hollow Stem of Cauliflower; Browning of Cauliflower ; Top sickness of Tobacco is caused due to the deficiency of 
• In which soil order is cryopedoturbation, a frost churning process resulting from the freezing and thawing of soil material, predominantly observed?
• Which of the following is the progeny of breeder seed and is responsible for producing certified seed?
• Which seed class has the minimum genetic purity requirement of 99%?
• Which class of seed is exempted from certification?
• What is the color of the tag used for certified seed?
• How many seasons are there for seed certification in India?
• . …………………………….is the prominent member of 1:1 type group in which one tetrahedral and one octahedral layer is present....
• The Indian council of Agricultural Research (ICAR) set up an All India Soil Survey Committee in 1953 which divided the Indian soils into …….. major gro...
• Soil Health Card Scheme was launched in which year?
• The Only nutrient whose form is available as both anion and cationic form is
• Which of the following types of soil is known for exhibiting a characteristic honey-comb structure, typically formed due to specific environmental conditio...
• Who is recognized as the “Father of Soil Science” and “Father of Modern Pedology”?
• Which scientist formulated the equation S = f (Cl,O,R,P,T)  for soil formation?
• What percentage of organic matter is present in soil by volume?
• Which law states that plant growth is limited by the nutrient in shortest supply?
• The term “Catena” in soil science was coined by:
• Which branch of soil science focuses on the influence of soils on living organisms?
• The Earth’s crust layer rich in silicates and aluminum is called:
• Which element constitutes the highest percentage in the Earth’s crust?
• Who is known as the “Father of Indian Soil Science”?
• The process of leaching calcium carbonate from soil is termed:
• Which horizon is characterized by maximum eluviation of clay and iron?
• The “Law of Maximum” was proposed by:
• Which soil forming process leads to acidic soils with bleached A horizons?
• The C horizon in a soil profile primarily consists of:
• Which term describes the unconsolidated layer of rock fragments above bedrock?
• Which process involves the deposition of leached materials in lower soil horizons?
• Which soil process dominates in cold, humid climates with coniferous vegetation?
• Which scientist isolated the bacteria ,Bacillus radicola?
• The O horizon in soil is typically absent in:
• Which equation represents Dokuchaev’s original soil formation factors?