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Soils
Test Description: Soils and their characteristics
Instructions: Answer all questions to get your test result.
1) The process of growing plants without soil is
A
hyponex
B
soil-less gardening
C
hydroponics
D
hydraulics
2) The chemical and physical processes that break rock apart and remove minerals from them is
A
weathering
B
infiltration
C
leaching
D
texture
3) The acid formed when carbon dioxide given off from plant roots reacts with water in soil is
A
hydrochloric acid
B
sulfuric acid
C
acid rain
D
carbonic acid
4) Cave formations that extend from the cave floor are
A
stalagmites
B
stalled formations
C
stalactites
D
stalingrad
5) Organic fertilizers are
A
short term
B
made from petroleum products
C
concentrated
D
natural
6) The three primary nutrients are nitrogen, potassium and
A
calcium
B
phosphorus
C
zinc
D
magnesium
7) Parent material of soil is
A
bedrock
B
lichens
C
moss
D
humus
8) ___________ are the means we measure soil quality.
A
amount of water quality
B
indicators
C
crop yield indication
D
conductivity and pH
9) Soil with poor drainage and lacks air and appears as a bluish-gray color contains iron in this form
A
Fe2 O3
B
Ca2O3
C
CaO
D
FeO
10) A soil that is characterized by good infiltration, poor water-holding capacity and good aeration is
A
clay
B
loam
C
sand
D
silt
*select an answer for all questions
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