Quiz about Soil Agriculture

Question 1

What soil type is typically found on the top of soil?

Accepted Answer

Humus because it made up of dead, organic matter

Answer

Loam because it is lighter than the other layers

Answer

Clay because it is not able to fit through the finer particles

Answer

Rock because the other layers are more dense

Question 2

What was one of the major causes of the Dust Bowl?

Accepted Answer

Removal of grasses and overfarming

Answer

Cold and windy weather

Answer

Increasing prices and demand for crops

Answer

Sandy soil composition that would not stay in place

Question 3

The two main agents of erosion are...

Accepted Answer

wind and flowing water

Answer

gravity and frost wedging

Answer

oxygen and water

Answer

carbon dioxiede and wind

Question 4

Which of the following can result from soils that are too acidic?

Accepted Answer

they can leach soluble heavy metals

Answer

they create acid-mine drainage

Answer

they can adversely affect aquatic life

Answer

they can cause neurological damage in unborn children

Question 5

Which layer in the soil will have the greatest concentration of organic nutrients?

Accepted Answer

A

Answer

B

Answer

C

Answer

O

Question 6

Which of the following is the correct order of soil particles in order of increasing particle size?

Accepted Answer

clay-silt-sand

Answer

clay-sand-silt

Answer

sand-clay-silt

Answer

silt-clay-sand

Question 7

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?

Accepted Answer

clay

Answer

clay loam

Answer

sandy loam

Answer

silt

Question 8

Name the boundary

Accepted Answer

convergent boundary

Answer

divergent boundary

Answer

transform boundary

Answer

sergent boundary

Question 9

Name the boundary

Accepted Answer

transform boundary

Answer

convergent boundary

Answer

divergent boundary

Answer

sergent boundary

Question 10

Name the boundary

Accepted Answer

divergent boundary

Answer

convergent boundary

Answer

transform boundary

Answer

sergent boundary

Question 11

Which type of soil is best for growing plants?

Accepted Answer

loam

Answer

clay

Answer

sand

Answer

dirt

Question 12

Which statement BEST summarizes the Tragedy of the Commons?

Accepted Answer

Self-interests outweigh public interest

Answer

Public interests outweigh self-interest

Answer

It is all right to be selfish as long as you think of the big picture.

Answer

It is a tragedy when biodiversity disappears.

Question 13

Which is the correct order of soil horizons starting at the surface?

Accepted Answer

O, A, E, B, C

Answer

A, B, E,C, O

Answer

O, A, B, C, E

Answer

O, E, A, B, C

Question 14

Silt and sand are concentrated here

Accepted Answer

E horizon

Answer

A horizon

Answer

B horizon

Answer

O horizon

Question 15

Liter layer, mostly undecided materials

Accepted Answer

O horizon

Answer

A horizon

Answer

B horizon

Answer

E horizon

Question 16

The deep, underlying non-soil materials

Accepted Answer

Bedrock

Answer

B horizon

Answer

E horizon

Answer

O horizon

Question 17

The layer where minerals that were leached out of layers above accumulate

Accepted Answer

B horizon

Answer

A horizon

Answer

E horizon

Answer

O horizon

Question 18

A mixture of soil, loam, and detritus; the topsoil

Accepted Answer

A horizon

Answer

B horizon

Answer

E horizon

Answer

O horizon

Question 19

Which of the following best describes industrialized agriculture?

Accepted Answer

Consumes large amounts of fossil fuels, pesticides, and water

Answer

Uses human labor and draft animals to grow crops

Answer

Rows of crop plants are interspersed with rows of trees

Answer

Uses little water or fossil fuels; relies on human labor

Question 20

Soil rich in organic matter

Accepted Answer

humus

Answer

clay

Answer

loam

Answer

sand

Question 21

Soil with the largest pores

Accepted Answer

sand

Answer

clay

Answer

humus

Answer

silt

Question 22

Soil composed of the finest particles

Accepted Answer

clay

Answer

silt

Answer

humus

Answer

loam

Question 23

Which type of irritation results in the greatest amount of water lost to evaporation?
I. Flood irrigation
II. Drip irrigation
III. Low-pressure central pivot irrigation

Accepted Answer

I only

Answer

II only

Answer

III only

Answer

II and III

Question 24

Which of the following best describes the Green Revolution?

Accepted Answer

Increasing the yield of farmland by using more fertilizer, better irrigation, and faster growing crops

Answer

An international effort to stop the construction of nuclear power plants

Answer

A group whose goal is to improve how nations affect the environment

Answer

A method of getting more people to recycle paper and cardboard

Question 25

All of the following statements about the degradation of soil by climate change are true EXCEPT

Accepted Answer

Increased flooding in coastal areas leads to soil desalinization.

Answer

Increased global temperature produces more deserts.

Answer

Decreased precipitation produces more deserts.

Answer

Increased evaporation of water leads to soil salinization

Question 26

Salinization of soil can be caused by all of the following EXCEPT

Accepted Answer

drip irrigation

Answer

flooding in coastal areas

Answer

rising temperatures

Answer

excessive irrigation

Question 27

All of the following are negative impacts of food production EXCEPT

Accepted Answer

lower death rates

Answer

increased erosion

Answer

air pollution from fossil fuels

Answer

bioaccumulation of pesticides

Soil Agriculture

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