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WorksheetsSoil Quiz
Total questions: 35
Worksheet time: 1hrs 10mins
Which inorganic soil particle is the smallest?
sand
silt
clay
organic matter
Which inorganic soil particle is the largest?
sand
silt
clay
organic matter
How does organic matter contribute to soil water retention
organic matter retains water the best
organic matter retains water the worst
we don't know how well organic matter contributes to water retention
Which of the following soil particles are chemically identical?
sand and clay
sand and silt
silt and clay
silt and organic matter
clay and organic matter
Potting soil has which of the following soil particle types
sand
silt
clay
organic matter
Which of the following soil type is closest to loam?
martian soil
potting soil
horse manure
What is the relationship between soil grain size and water retention?
The larger the particle the better the water retention
The smaller the particle the worse the water retention
The larger the particle the worse the water retention
There is no relationship between particle size and water retention
Which soil type has the best water retention?
Soil that is mostly sand
Soil that is mostly silt
Soil that is mostly clay
Soil that is mostly organic matter
Which of our 3 soil types had the worst water retention?
Martian soil
Potting soil
Horse manure
Which of our 3 soil types had the best water retention?
Martian soil
Potting soil
Horse manure
What is the amount of water soil can hold after draining?
water holding capacity
permanent wilting point
available water
saturation
What is the point at which there is not enough water in the soil for a plant to take up?
water holding capacity
permanent wilting point
available water
saturation
What is the amount of water in the soil between water holding capacity and permanent wilting point?
water holding capacity
permanent wilting point
available water
saturation
When soil is compacted, plants die because...
water can't get into the pores of the soil
air can't get into the pores of the soil
Neither air nor water can get into the pores of the soil
Why is it important for water to get into the pores of the soil?
It is necessary for cell respiration
It is necessary for photosynthesis
Why is it important for air to get into the pores of the soil?
It is necessary for cell respiration
It is necessary for photosynthesis
Why do we need bacteria and fungi in the soil
to make nutrients available for plants to use
to create humus which contributes to soil structure
to aerate the soil
to aid plants in cell respiration
to decompose organic matter
Why do we know Martian soil will not support plant growth by itself?
It has no nutrients
It has no bacteria or fungi
It retains water too well
It retains no water at all
Where does photosynthesis occur in the plant?
The roots
Everything above ground
The trunk/stalk
The leaves
Everywhere in the plant
Where does cellular respiration occur in the plant?
The roots
Everything above ground
The trunk/stalk
The leaves
Everywhere in the plant
What is a vitamin?
An organic compound that is easier to break down
An inorganic compound that is difficult to break down
What is a mineral?
An organic compound that is easier to break down
An inorganic compound that is difficult to break down
Where does the plant get its oxygen?
the air
the soil
both the air and the soil
Where does the plant get its carbon?
the air
the soil
both the air and the soil
Where does the plant get its hydrogen?
the air
the soil
both the air and the soil
Where does the plant get its nitrogen?
the air
the soil
both the air and the soil
Where does the plant get its potassium?
the air
the soil
both the air and the soil
Where does the plant get its phosphorus?
the air
the soil
both the air and the soil
What does the plant use oxygen for?
making all macromolecules
making ATP
cell water regulation
photosynthesis
cell respiration
What does the plant use carbon for?
making all macromolecules
making ATP
cell water regulation
photosynthesis
cell respiration
What does the plant use phosphorus for?
making all macromolecules
making ATP
cell water regulation
photosynthesis
cell respiration
What does the plant use potassium for?
making proteins
making ATP
cell water regulation
photosynthesis
cell respiration
What does the plant use hydrogen for?
making proteins
making ATP
cell water regulation
photosynthesis
cell respiration
What does the plant use nitrogen for?
making proteins
making ATP
cell water regulation
photosynthesis
cell respiration
If nutrients are present in the soil, then they are available to be used by the plant.
True
False
