Description : Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and ... 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1
Last Answer : Ans: (b)
Description : The weathering mineral, having most stable soil structure
Last Answer : Ans. Kaolinite
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : The particle size of clay
Last Answer : Ans. < 0.002
Description : The relative proportion of sand, silt and clay is termed as
Last Answer : Ans. Soil texture
Description : The example of 2 : 1 type silicate clay minerals are
Last Answer : Ans. Montmorillonite, Vermiculite and Illite
Description : Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt
Last Answer : (1) humus Explanation: The distribution of mountain soils is subject mainly to a vertical (elevation) zonation; the soils change with ascent into the mountains depending on changes in climatic conditions. ... content and is thus, very fertile. It is found in Himalayan regions and north-east India.
Description : The soil which contains finest grain particles, is (A) Coarse sand (B) Fine sand (C) Silt (D) Clay
Last Answer : (D) Clay
Last Answer : humus
Description : Which mineral is a source of phosphorus and boron in soils?
Last Answer : Ans. Apetite
Description : The most dominant mineral on earth crust
Last Answer : Ans. Feldspar (48%)
Description : Black soil shows black colour due to compound
Last Answer : Ans. Mn
Description : Black soil belongs the soil order
Last Answer : Ans. Vertisol
Description : Which of the following mineral is used in cement industry and plaster of paris? A. Marble B. China Clay C. Gypsum D. Fire Clay
Last Answer : ANSWER: C
Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum
Last Answer : ANSWER: B
Description : Which mineral is used in the making of high speed machines? A. Rock Salt B. Chromite C. China Clay D. Lunic Stone
Last Answer : ANSWER: D
Description : Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum
Description : Which one of the following clay mineral has the highest CEC? (A) Vermiculite (B) Montmorillonite (C) Kaolinite (D) Illite
Last Answer : (A) Vermiculite
Description : The mineral weathering and clay formation are rapid where the climate is- (a) Warm and moist (b) Warm and dry (c) Cold and moist (d) Cold and dry
Last Answer : (c) Cold and moist
Description : The clay mineral with the largest swelling and shrinkage characteristics is (A) Kaolinite (B) Illite (C) Montmorillonite (D) None of the above
Last Answer : Answer: Option C
Description : Name the clay mineral produced by the alteration of potash feldspar which is also used in ceramics.
Last Answer : ANSWER: KAOLINITE
Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.
Last Answer : (c) clay and humus
Description : Pick up the cohesive soil from the following: (A) Red earth (B) Clay (C) Black cotton soil (D) Compacted ground
Description : ………….. soil has the least SBC of the soil. a) Hard moorum b) Stiff clay c) Black cotton soil* d) Soft rock
Last Answer : c) Black cotton soil*
Description : The earth contains a thin region known as the biosphere, in which life exists. The three parts of the biosphere are
Last Answer : Ans. Atmosphere, hydrosphere and lithosphere
Description : A fruit juice normally contains 25% juice and 40% TSS
Last Answer : Ans. Squash
Description : Which fruit beverage contains atleast 10% fruit juice and 10% soluble solids?
Last Answer : Ans. Ready-To-Serve (RTS)
Description : How much water contains by water melon fruit?
Last Answer : Ans. 95%
Description : The enzyme contains in pineapple fruit
Last Answer : Ans. Bromelin
Description : How much sugar contains in ripe banana?
Last Answer : Ans. 26%
Description : The loss of water (contains salts and minerals) through hydathodes in liquid form during night and regulated by root pressure
Last Answer : Ans. Guttation
Description : Chlorophyll contains
Last Answer : Ans. Mg
Description : Which vitamin contains metal ion?
Last Answer : Ans. Vitamin B12
Description : Protein that contains only amino acid
Last Answer : Ans. Simple protein
Description : Oligosaccharides contains
Last Answer : Ans. Sucrose, Maltose, Cellobiose, Lactose and Stachyose
Description : Monosaccharide contains
Last Answer : Ans. Glucose, Fructose, Galactose and Mannose
Description : Gypsum contains
Last Answer : Ans. 29.2%Ca and 18.6%S
Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.
Last Answer : Ans. Straight fertilizers
Description : Groundnut cake contains NPK
Last Answer : Ans. 7:1.5:1.3%
Description : Well decomposed FYM contains N, P and K content
Last Answer : Ans. 0.5:0.2:0.5%
Description : Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load
Last Answer : Answer: Option B
Description : The fire clay contains pure (A) Lime (B) Oxide of iron (C) Hydrated aluminium silicate (D) Magnesium
Description : If the iron ore contains clay as an impurity, the flux added during calcination, is (A) Clay (B) Lime stone (C) Argillaceous iron ore (D) All the above
Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as
Last Answer : Ans. Biosphere
Description : The soil, air and seed borne disease of wheat
Last Answer : Ans. Kernal bunt (Neovossia indica)
Description : The soil borne disease of rice
Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)