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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
hydroponics
B
hydraulics
C
hyponex
D
soil-less gardening
2) The chemical and physical processes that break rock apart and remove minerals from them is
A
infiltration
B
leaching
C
texture
D
weathering
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
carbonic acid
D
acid rain
4) Cave formations that extend from the cave floor are
A
stalled formations
B
stalagmites
C
stalactites
D
stalingrad
5) Organic fertilizers are
A
made from petroleum products
B
natural
C
short term
D
concentrated
6) The three primary nutrients are nitrogen, potassium and
A
magnesium
B
phosphorus
C
zinc
D
calcium
7) Parent material of soil is
A
humus
B
moss
C
lichens
D
bedrock
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
CaO
B
Ca2O3
C
FeO
D
Fe2 O3
10) A soil that is characterized by good infiltration, poor water-holding capacity and good aeration is
A
loam
B
sand
C
silt
D
clay
*select an answer for all questions
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