Description : Which is the chief characteristic of the soil of the IndoGangetic plain? (a) It is derived from Himalayan rocks (b) It is rich in humus (c) It is formed of peninsular rocks (d) It is derived from local rocks
Last Answer : Ans: (a)
Description : Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants
Last Answer : (2) decaying organic matters in soil Explanation: Humus refers to the decomposed and partly decomposed organic matter or animal and vegetation originally present in the soil.
Description : Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants
Last Answer : decaying organic matters in soil
Description : Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves
Last Answer : (2) Volcanic eruptions Explanation: Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. ... and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.
Description : Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves
Last Answer : Volcanic eruptions
Description : Please help, dry dead looking leaves on an outdoor yucca plant, best time to prune and how far back can I prune.
Last Answer : Need Answer
Description : After a cold winter, my oleander leaves are all dry and appear dead.
Last Answer : Oleanders are extremely sturdy. They grow best and Desert regions like Las Vegas, the Middle East etc. Cut back the dead and you'll get them back.
Description : My gardenia has brown dry leaves after a cold winter. It has never done this before. Is it dead or do I need to trim it?
Last Answer : Trim them and make a trench around them. Re-check soil. She just might come back.
Description : what does humus consist of when talking about humus-rich soil?
Description : where to buy humus
Last Answer : check with anyplace that sells landscape materials in bulk.
Description : What do you understand by Humus? -SST 10th
Last Answer : Humus: The decaying of organic materials, e.g., dead leaves, stems, roots, living bacteria, fungi, worms etc., produce humus, which is important for Soil fertility.
Description : The mixture of rock particles and humus is called _______. -Science
Last Answer : The mixture of rock particles and humus is called Soil.
Last Answer : : Humus is more in the upper part of the soil.
Description : Which is not true for humus?
Last Answer : Which is not true for humus? A. Dark colored amorphous substance B. Highly resistant to ... and fats and produced by the process of mineralization
Description : What is Humus is
Last Answer : Humus is A. Dead and decayed organic matter B. Living matter C. Fertilizers D. Living animal/plants/microbes
Description : What biome contains the most humus?
Last Answer : Need answer
Description : What does most of work of mixing humus within the soil?
Last Answer : Earthworms are the main contributors to enriching and improvingsoil for plants, animals and humans. Earthworms eat the soil whichhas organic matter such as decaying vegetation or leaves. ... releases waste from theirbodies called castings. Castings contain many nutrients that plantscan use.
Description : Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes
Last Answer : Ans: (c)
Description : Consider the following statements about the soils of India : [IAS 2004] 1. High temperature during most of the year retards formation of humus 2. Soils which have humus require regular application of chemical fertilizers to remove nitrogen ... ) 1 and 2 (b) 1, 3 and 4 (c) 2 and 3 (d) 2 and 4
Last Answer : Ans: (b)
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 : Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material
Last Answer : (2) nitrogen and humus Explanation: Alluvial soils are fertile soils composed of sediments deposited by rivers and the waves. However, they are usually deficient in nitrogen and ... With suitable irrigation, fertilizers and proper agricultural practices, alluvial soils are generally very fertile.
Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids
Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.
Description : Pick up the correct statement from the following: A. Indore method of composting involves decomposition under aerobic conditions B. Bangalore method of composting involves decomposing under anaerobic conditions C ... the Bangalore method of compositing is a powdery mass called humus D. all of these
Last Answer : ANS: D
Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.
Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm
Description : Mass of living matter at a trophic level in an area at any time is called (a) standing crop (b) detritus (c) humus (d) standing state.
Last Answer : (a) standing crop
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 : The C: N ratio of humus is (A) 20: 1 (B) 100: 1 (C) 10: 1 (D) 400:1
Last Answer : (C) 10: 1
Description : Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.
Last Answer : b) It has a balance of all plant nutrients
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 B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides
Last Answer : ANSWER: Z -- OXIDES
Description : The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite
Last Answer : ANSWER: X -- ROCK FLOUR
Description : Proof that plants can grow and reproduce using onl inorganic nutrients comes from the study of: a) phototrophic nutrition b) mycorrhiza c) hydroponics d) humus
Last Answer : ANSWER: C -- HYDROPONICS
Description : Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material
Last Answer : nitrogen and humus
Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
Last Answer : Humus
Description : Alluvial soils are usually (i) Rich in nitrogen (ii) Poor in humus (iii) Highly fertile (iv) Easy to plough (1) (i), (ii) and (iv) (2) (ii), (iii) and (iv) (3) (i), (iii) and (iv) (4) (i), (ii) and (iii)
Last Answer : (i), (ii) and (iii)
Last Answer : humus
Description : Match the following: Area Forest Type A. Himalayas 1. Tropical Evergreen B. Aravallis 2. Temperate Alpine C. Sunderbans 3. Dry Tropical Deciduous D. Western Ghats 4. Mangrove A B C D (a) 1 2 4 3 (b) 4 3 1 2 (c) 2 3 4 1 (d) 2 4 3 1
Description : Which type forests are also known as Tidal forests? a Tropical Dry Deciduous Forests b Mangrove Forests c Semi Evergreen Forestsd Sub-tropical broad-leaved forest e None of These
Last Answer : d Sub-tropical broad-leaved forest
Description : Where can we find dry deciduous forest? -Geography 9th
Last Answer : The Northern dry deciduous forests, also known as the North Deccan dry deciduous forests, is a tropical dry broadleaf forest ecoregion of east-central India.
Description : The Chennai – Bengaluru – Coimbatore - Madurai region is ______. (a) A major industrial region (b) A major agricultural region (c) Mangrove forest region (d) Dry Mountainous (Hilly) region
Description : Which one among the following types of forests exhibits highest bio-diversity ? [Asstt Comm 2001] (a) Dry deciduous forest (b) Tropical rain forest (c) Moist deciduous forest (d) Mangrove forest
Description : Which one of the following types of forest covers the maximum area in India? [NDA 2001] (a) Tropical rain forest (b) Tropical moist deciduous forest (c) Tropical dry deciduous forest (d) Tropical dry evergreen forest
Description : Which one of the following types of vegetation is referred as Monsoon forest? (a) Tropical Dry-evergreen forests (b) Tropical Moist-deciduous forests (c) Tropical Semi-evergreen forests (d) Tropical Dry-deciduous forests
Description : Which of the following characteristics are associated with the dry monsoon forest of India? 1. Annual rainfall is below 50 cm 2. The trees are short rooted 3. Thorny shrubs and grassland 4. Mango, Mahua, Sisam and Keeker are the prominent trees. (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1, 2 and 3
Description : 'Sal' is a very important tree of: [NDA 2003] (a) Tropical dry deciduous forest (b) Tropical rain forest (c) Thorn forest (d) Alpine forest
Description : The primary succession refers to the development of communities on a (a) forest clearing after devastating fire (b) newly-exposed habitat with no record of earlier vegetation (c) freshly cleared crop field (d) pond, freshly filled with water after a dry phase.
Last Answer : (b) newly-exposed habitat with no record of earlier vegetation
Description : Which of the following forests cover the least forest area in India? a. A .Tropical moist deciduous b. B. Subtropical pine c. C. Tropical dry evergreen d. D. Tropical dry deciduous
Last Answer : c. C. Tropical dry evergreen
Description : How is mountain soil (forest soil) formed ? Mention any four characteristics of forest soil. -SST 10th
Last Answer : Formation: The soils are formed due to mechanical weathering caused by snow, rain, temperature variation, etc. Characteristics/Features : (i) These soils are heterogeneous in nature, and their character changes ... content in the snow covered areas. It is fertile in the lower parts of the valleys.