DIRECTIONS: Write the letter of the correct answer on the blank. 1. All of the ff, are ways to bring nitrogen back into the soil except: C. Denitrification D. Precipitation 2. What form of sulfur reacts with water to form acid rain? C. Sulfur gas D. Hydrogen sulfide A. Animal wastes 5/12 B. Decomposition A. Sulfur trioxide B. Sulfuric acid 3. All of the ff. are activities that add sulfur to the atmosphere except: C. Volcanic activities D. Decomposition A. Combustion of fossil fuels B. Photosynthesis 4. Why does nitrogen gas needed "fixation"? A. Nitrogen gas needs to be broken down into simpler forms B. Animals cannot breathe in nitrogen gas, it needed to be fixed first. C. Nitrogen gas is a flammable gas. Fixation is needed to avoid ignition D. Plants cannot utilize nitrogen gas therefore it needed to be converted into usable form through fixation, 5. What role do decomposers play in the phosphorous cycle? A. Absorb phosphorous B. Release phosphorous into atmosphere C. Return phosphorous into the soil D. They aid in combustion

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter20: Ecosystems And The Biosphere
Section: Chapter Questions
Problem 1ACQ: Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification...
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D. The rock eventually disappeared
_5. How can phosphate deposits on sedimentary rock unde
ocean get to cycle again?
A. Through weathering
B. Through assimilation
C. Through decomposition
D. Through geologic uplifting
Post test!
DIRECTIONS: Write the letter of the correct answer on the blank.
_1. All of the ff, are ways to bring nitrogen back into the soil except:
C. Denitrification
D. Precipitation
A. Animal wastes
5/12
B. Decomposition
2. What form of sulfur reacts with water to form acid rain?
A. Sulfur trioxide
C. Sulfur gas
B. Sulfuric acid
D. Hydrogen sulfide
3. All of the ff. are activities that add sulfur to the atmosphere
except:
C. Volcanic activities
D. Decomposition
A. Combustion of fossil fuels
B. Photosynthesis
4. Why does nitrogen gas needed "fixation"?
A. Nitrogen gas needs to be broken down into simpler forms
B. Animals cannot breathe in nitrogen gas, it needed to be fixed
first.
C. Nitrogen gas is a flammable gas. Fixation is needed to avoid
ignition
D. Plants cannot utilize nitrogen gas therefore it needed to be
converted into usable form through fixation.
5. What role do decomposers play in the phosphorous cycle?
A. Absorb phosphorous
B. Release phosphorous into atmosphere
C. Return phosphorous into the soil
D. They aid in combustion
L..
18
Transcribed Image Text:D. The rock eventually disappeared _5. How can phosphate deposits on sedimentary rock unde ocean get to cycle again? A. Through weathering B. Through assimilation C. Through decomposition D. Through geologic uplifting Post test! DIRECTIONS: Write the letter of the correct answer on the blank. _1. All of the ff, are ways to bring nitrogen back into the soil except: C. Denitrification D. Precipitation A. Animal wastes 5/12 B. Decomposition 2. What form of sulfur reacts with water to form acid rain? A. Sulfur trioxide C. Sulfur gas B. Sulfuric acid D. Hydrogen sulfide 3. All of the ff. are activities that add sulfur to the atmosphere except: C. Volcanic activities D. Decomposition A. Combustion of fossil fuels B. Photosynthesis 4. Why does nitrogen gas needed "fixation"? A. Nitrogen gas needs to be broken down into simpler forms B. Animals cannot breathe in nitrogen gas, it needed to be fixed first. C. Nitrogen gas is a flammable gas. Fixation is needed to avoid ignition D. Plants cannot utilize nitrogen gas therefore it needed to be converted into usable form through fixation. 5. What role do decomposers play in the phosphorous cycle? A. Absorb phosphorous B. Release phosphorous into atmosphere C. Return phosphorous into the soil D. They aid in combustion L.. 18
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