313-MT1-F05-Naldrett

313-MT1-F05-Naldrett - GEOG 313 Plants and Soils term test...

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Unformatted text preview: GEOG 313 Plants and Soils term test 1 -DLNf05 arena-ere orecorreet First Term Test (midterm 1) Tuesday, October 11‘h 2005 Note: All questions are to be answered. For each question, select the most correct answer. All answers must be written in pencil on the bubble sheets, and questions papers should be brought to class Thursday to take up the test. 1. Another name for a Wooded soil is: a Brunisol a) Luvisol Chernozem Ci) Podzol 2; The pedosphere is the only place where: all of the other spheres interact b) the atmosphere, biosphere and hydrosphere interact c) the lithosphere, hydrosphere and atmosphere interact d) none of the other spheres interact 3. The energy budget in soil affects which of the following? a) global environmental change b) ecosystem energetics material cycies d) all of the above 4._ Differentiation of soil horizons is based on: Ca} composition and relative proportions of various components ,b) relative proportions of relative components 0) composition of various components d) none of the above 5. The most limiting factor in rapid production of soil is the production of: C?)- inorganic material (minerals) ) organic matter c) soil water d) soil air 6. Soil air is different from the atmosphere because it is: a) rapidly altered by the small spaces in pores b) altered by the activity of microorganisms and roots 0) fundamentally different, so begins as different elements 6)) a) and b) GEOG 313 Plants and Soils term test 1 'DLNIOS 7. Coarse fragments in soil are: a) large pieces of organic matter @) mineral matter greater than 2mm in size 0) the aggregates that form soil structure d) none of the above 8. CEC refers to which of the following? a) colloid exchange capacity b R chemical exchange capacity c ‘ cation exchange capacity d ) colloid exchange content Q. Soil structure is composed of which of the following? é) peds b) pedons c) polypedons d) pads 10. Block-like structure is composed of which of the following? a) angular and columnar b) columnar and prismatic @ angular and subangular d) prismatic and subangular 11. Structure grade describes which of the following? a) the type of structure - b) the strength of the structure 0) the size of the structure d) all of the above 12. Which form of soil water is held by the highest atmospheres of tension (i.e. fl strength)? Cg) adhesion water b) cohesion water 0) gravitational water Cl} formation water 13. The water needed by all plants, and the most useable form of soil water is: al adhesion water C13) cohesion water 0) gravitational water d) formation water GEOG 313 Plants and Soils term test 1 DLN/OS 14. Organic matter in a soil context is composed of which of the following? a) Anything capable of supporting living things Cg? Anything that originated from living matter that has carbon 0) Anything containing carbon d) Anything produced by living organisms 15. Pools are defined as: a) a mechanism for quantitatively accounting for an element b) locations that permanently remove an element c) storage places for liquids @ temporary storage locations 16. People should be concerned about. global warning effects on soils because: a) they contain 2X as much carbon as the oceans b) they contain 2X as much carbon as the atmosphere 9) they contain 2X as much carbon as all vegetation they contain 2X as much carbon as vegetation and atmosphere together 12. Cryosols have which of the following related to climate change? @) positive feedback mechanism b) negative feedback mechanism c) no feedback mechanism d) no relation to climate change in any way 18. The original source of organic mater in soils is: a) minerals b) animals %) plants ) none of the above 19. Decay of organic matter is favored by which pH conditions? a) acidic @ near-neutral 0) basic d) pH does not matter 20. Leaching is regarded as which of the following processes? a) addition removal c) translocation d) transformation GEOG 313 21. a) ‘3‘). Plants and Soils term test 1 'DLN/05 illuviation is regarded as which of the following processes? addition removal translocation transformation The first soil surveys done in Canada were in which year? 1900 1914 1941 1943 The largest problem related to use of Soviet soil work in setting up the Canadian soil classification system was: not much science being done in USSR poor translations translations not available early enough USSR soils not comparable to Canadian soils The most general level of soil classification in the Canadian system is: Group Order Series Family The most important agricultural soil in Canada is the: Chernozemic Brunisolic Podzolic Luvisolic Solonetzic soils are characterized by the presence of: salts alkalines acids a) or b) The Luvisolic order of soils requires which climatic condition? adequate moisture to promote eiuviation and illuviation dry conditions to promote alkaline conditions in the soil very coid winter temperatures none of the above GEOG 3‘13 Plants and Soils term test 1 DLNIOS 28. Which soil order covers the largest area in Canada? a) Luvisolic b) Chermozemic c) Brunisolic Podzolic 29. The epipedon which contains volcanic material is the: a) Mollic b) Ochric Melanic d) Histic 30. Vertisols are known for their: a thick horizons (ti swelling clays c) ability to stand in high columns d) high fertility 31. One ofthe US soils that would not be found in Canada because of the cold climate is the: - a) Gelisol b) Mollisol @ Oxisol d) Entisol 32. A Canadian soil order that could be considered like the US azonal soils is: a) Brunisolic b) Podzolic g) Regosolic ) Luvisolic 33. A soil that shows significant darkening of the horizons as it ages is the: a) Podzolic Order to) Brunisolic Order & Gleysolic Order Solonetzic Order 34. Soils most commonly found in western BC, Ontario and Quebec are: 53» Podzolic (5% Luvisolic c) Brunisolic d)- Chernozemic GEOG 313 35. @i b) c) d) :16. e9 b) c) d) Plants and Soils term test 1 'DLN2‘05 US and Canadian soil classification systems share which of the following? hierarchical pattern divided on the basis of subsurface horizons focus on soil forming factors universal application The biosphere has a general tendency to produce what type of soils? organic inorganic (mineral) mixed organic and inorganic none of the above The shallowest of the epipedons in the US system would directly overlie inorganic soil and have which name? Histic Molllc Umbric Melanie A laterite (or lateritic soil) would belong to which soil order? Regosol Oxisol Vertisol Alfisol Humus is the most common organic matter component because: it is the most common compound in growing plants it is the most commonly produced decay product from organic matter it is the most complex and largest organic molecule produced by decay it is the most recognizable organic molecule What characteristics do a Regosol and an lnceptisol have in common? they both have poorly formed horizons they both are relatively young soils they both strongly resemble the parent material of the soil all of the above The Bt horizon is named for which dominant feature or process in it? truncation- where horizons below are cut off illuviation, where a textural horizon is created by clay migration termination- where transported material is deposited temporary storage of moving particles GEOG 313 Plants and Soils term test 1 'DLNI05 42. The most significant negative factor for plant growth in soils is: 'a)- stoniness b) not enough nutrients held in the soil c high acidity d) poor soil structure 3. Soil structure should have what effect(s) on carbon cycling? ) involved in root turnover and exudation ) important in microorganism life cycles 0 important in organic matter accumulation and decomposition alt of the above 44. A soil epipedon is essentially: a) equivalent to the A horizon in Canadian soils (E; the surface layer of soil enriched in organics and the upper eluvial layer 0) the depth to which roots penetrate d) the basis on which Canadian soils are classified 45 A typical mineral soil can be best described as containing: aL about 50% mineral matter and about 50% water @) about 50% solid matter and 50% pore space c) about 50% solid matter and about 50% air at about 50% organic matter and about 50% pore space ...
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This note was uploaded on 02/04/2010 for the course GEOG 213 taught by Professor Slezak during the Winter '09 term at University of Calgary.

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313-MT1-F05-Naldrett - GEOG 313 Plants and Soils term test...

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