Soils Question Preview (ID: 2197)

Soils And Their Characteristics. TEACHERS: click here for quick copy question ID numbers.

The process of growing plants without soil is
a) hydroponics
b) hyponex
c) soil-less gardening
d) hydraulics

The chemical and physical processes that break rock apart and remove minerals from them is
a) texture
b) leaching
c) weathering
d) infiltration

The acid formed when carbon dioxide given off from plant roots reacts with water in soil is
a) acid rain
b) sulfuric acid
c) carbonic acid
d) hydrochloric acid

Cave formations that extend from the cave floor are
a) stalagmites
b) stalled formations
c) stalingrad
d) stalactites

Organic fertilizers are
a) natural
b) concentrated
c) short term
d) made from petroleum products

The three primary nutrients are nitrogen, potassium and
a) calcium
b) zinc
c) phosphorus
d) magnesium

Parent material of soil is
a) humus
b) bedrock
c) moss
d) lichens

___________ are the means we measure soil quality.
a) indicators
b) conductivity and pH
c) amount of water quality
d) crop yield indication

Soil with poor drainage and lacks air and appears as a bluish-gray color contains iron in this form
a) FeO
b) Fe2 O3
c) CaO
d) Ca2O3

A soil that is characterized by good infiltration, poor water-holding capacity and good aeration is
a) clay
b) loam
c) sand
d) silt

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