Question 1

Using fresh manure as fertilizer for fruits and vegetables can result in food-borne illnesses.

Accepted Answer

A) True 
 B)False

Question 2

Which fertilizer is also an explosive?

Accepted Answer

A) NBr₃ 
B) NH₄NO₃ 
C) NaI 
D) Sr₃(PO₄)₂ 
A) NBr₃ 
B) NH₄NO₃ 
C) NaI 
D) Sr₃(PO₄)₂

Question 3

Each U.S.farm worker currently produces enough food for 105 people.

Accepted Answer

A) True 
 B)False

Question 4

The conversion of phosphate rock and bone to "superphosphate" was significant because it

Accepted Answer

A) increased the phosphorus content of the rock or bones. 
B) made the material more soluble. 
C) incorporated phosphorus from the atmosphere. 
D) did all of the above. 
A) increased the phosphorus content of the rock or bones. 
B) made the material more soluble. 
C) incorporated phosphorus from the atmosphere. 
D) did all of the above.

Question 5

Sulfur is needed by plants for

Accepted Answer

A) nitrogen fixation. 
B) nucleic acid synthesis. 
C) amino acid and protein synthesis. 
D) maintaining electrical neutrality. 
A) nitrogen fixation. 
B) nucleic acid synthesis. 
C) amino acid and protein synthesis. 
D) maintaining electrical neutrality.

Question 6

Organic farming uses no synthetic fertilizers or pesticides.

Accepted Answer

A) True 
 B)False

Question 7

All of the following are goals of sustainable agriculture EXCEPT

Accepted Answer

A) farm profitability. 
B) maintaining a healthy environment. 
C) not using commercial fertilizers. 
D) social and economic equity. 
A) farm profitability. 
B) maintaining a healthy environment. 
C) not using commercial fertilizers. 
D) social and economic equity.

Question 8

Nitrogen must be "fixed" to convert it into a form which plants can use.Which of the following forms of nitrogen CANNOT be used by plants?

Accepted Answer

A) N₂ 
B) NH₃ 
C) NH₄NO₃ 
D) (NH₄)₂SO₄ 
A) N₂ 
B) NH₃ 
C) NH₄NO₃ 
D) (NH₄)₂SO₄

Question 9

Explain the biological magnification of DDT and its impact on animal life.

Accepted Answer

DDT, or dichlorodiphenyltrichloroethane,

Question 10

The usual chemical form of potassium in commercial fertilizers is as

Accepted Answer

A) potassium bromide. 
B) potassium phosphite. 
C) potassium chloride. 
D) potassium carbonate. 
A) potassium bromide. 
B) potassium phosphite. 
C) potassium chloride. 
D) potassium carbonate.

Using fresh manure as fertilizer for fruits and vegetables can result in food-borne illnesses.

Which fertilizer is also an explosive?

Each U.S.farm worker currently produces enough food for 105 people.

The conversion of phosphate rock and bone to "superphosphate" was significant because it

Sulfur is needed by plants for

Organic farming uses no synthetic fertilizers or pesticides.

All of the following are goals of sustainable agriculture EXCEPT

Nitrogen must be "fixed" to convert it into a form which plants can use.Which of the following forms of nitrogen CANNOT be used by plants?

Explain the biological magnification of DDT and its impact on animal life.

The usual chemical form of potassium in commercial fertilizers is as

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Household Chemicals

Poisons

Filters

Exam 20: Chemistry Down on the Farm

Using fresh manure as fertilizer for fruits and vegetables can result in food-borne illnesses.

Which fertilizer is also an explosive?

Each U.S.farm worker currently produces enough food for 105 people.

The conversion of phosphate rock and bone to "superphosphate" was significant because it

Sulfur is needed by plants for

Organic farming uses no synthetic fertilizers or pesticides.

All of the following are goals of sustainable agriculture EXCEPT

Nitrogen must be "fixed" to convert it into a form which plants can use.Which of the following forms of nitrogen CANNOT be used by plants?

Explain the biological magnification of DDT and its impact on animal life.

The usual chemical form of potassium in commercial fertilizers is as

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Household Chemicals

Poisons

Filters