CSES 2040 (soil science exam 1) UPDATED
ACTUAL Questions and CORRECT
Answers
3 major biochemical reactions - CORRECT ANSWER - photosynthesis, cellular
respiration, cation carrying capacity (CEC)
soil is natural, impacted by environment, 3 dimensional, evolutionary, and what?? - CORRECT
ANSWER - skin of the earth
soil is both heterogeneous and homogeneous? - CORRECT ANSWER - false
soil is only heterogeneous. both vertically and horizonally. - CORRECT ANSWER - true
6 ecological roles of soil? - CORRECT ANSWER - unchore plant, water, Air, moderate
temperature, impacts atmosphere, nutrients
how many macro nutrients in soil? - CORRECT ANSWER -9
how many micro nutrients? - CORRECT ANSWER -8
list of macro nutrients. - CORRECT ANSWER - calcium,magnesium, nitrogen, potassium,
phosphorus,sulfur,silicon
list of micro nutrients. - CORRECT ANSWER - copper, cobalt, iron, manganese,
nickel,sodium,zinc, boron
soil is the interface of? - CORRECT ANSWER - air, water, organic matter, rock
, how many years will it take to make 1 inch of soil from rock? - CORRECT ANSWER -
500 years
how long does it take to destroy 1 inch of soil? - CORRECT ANSWER - 30 mintues
what percentage of food we eat comes from soil? - CORRECT ANSWER - 90 %
soil is very heterogeneous, by itself is an ecosystem, very priceless and valuable, - CORRECT
ANSWER - true
what does an ideal soil contain by volume?> - CORRECT ANSWER - 50% solids, 50%
pores, 25% water and air
soil is a pedosphere that contains? - CORRECT ANSWER - lithosphere, biosphere,
atmosphere,hydroshpere
soil - CORRECT ANSWER - formed from rocks and minerals throgh weathering proccess
rock - CORRECT ANSWER - material that forms the essential part of earths crust.
mineral - CORRECT ANSWER - inorganic material derived from rocks, or a distinct
mineral found in nature
primary mineral - CORRECT ANSWER - not altered chemically since deposition and
crystallization from molten lava
secondary mineral - CORRECT ANSWER - resulting from decomposition or primary
mineral
ACTUAL Questions and CORRECT
Answers
3 major biochemical reactions - CORRECT ANSWER - photosynthesis, cellular
respiration, cation carrying capacity (CEC)
soil is natural, impacted by environment, 3 dimensional, evolutionary, and what?? - CORRECT
ANSWER - skin of the earth
soil is both heterogeneous and homogeneous? - CORRECT ANSWER - false
soil is only heterogeneous. both vertically and horizonally. - CORRECT ANSWER - true
6 ecological roles of soil? - CORRECT ANSWER - unchore plant, water, Air, moderate
temperature, impacts atmosphere, nutrients
how many macro nutrients in soil? - CORRECT ANSWER -9
how many micro nutrients? - CORRECT ANSWER -8
list of macro nutrients. - CORRECT ANSWER - calcium,magnesium, nitrogen, potassium,
phosphorus,sulfur,silicon
list of micro nutrients. - CORRECT ANSWER - copper, cobalt, iron, manganese,
nickel,sodium,zinc, boron
soil is the interface of? - CORRECT ANSWER - air, water, organic matter, rock
, how many years will it take to make 1 inch of soil from rock? - CORRECT ANSWER -
500 years
how long does it take to destroy 1 inch of soil? - CORRECT ANSWER - 30 mintues
what percentage of food we eat comes from soil? - CORRECT ANSWER - 90 %
soil is very heterogeneous, by itself is an ecosystem, very priceless and valuable, - CORRECT
ANSWER - true
what does an ideal soil contain by volume?> - CORRECT ANSWER - 50% solids, 50%
pores, 25% water and air
soil is a pedosphere that contains? - CORRECT ANSWER - lithosphere, biosphere,
atmosphere,hydroshpere
soil - CORRECT ANSWER - formed from rocks and minerals throgh weathering proccess
rock - CORRECT ANSWER - material that forms the essential part of earths crust.
mineral - CORRECT ANSWER - inorganic material derived from rocks, or a distinct
mineral found in nature
primary mineral - CORRECT ANSWER - not altered chemically since deposition and
crystallization from molten lava
secondary mineral - CORRECT ANSWER - resulting from decomposition or primary
mineral
