Phosphorus Cycle and Its Importance
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Tim Gault
FREE Resource
7 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Phosphorus is an important element for all living organisms and forms a significant part of the structural framework of ___ and RNA.
Tags
Remembering
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a step in the phosphorus cycle?
Weathering
Absorption by Plants
Photosynthesis
Return to the Environment through Decomposition
Tags
Understanding
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The phosphorus cycle does not involve which of the following spheres?
Lithosphere
Hydrosphere
Atmosphere
Biosphere
Tags
Understanding
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Phosphorus is absorbed by the organic matter in the soil and used for various ___ processes.
Tags
Applying
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason farmers apply phosphate fertilizers on agricultural land?
To increase nitrogen levels
To improve soil texture
To compensate for low phosphorus in soil
To enhance water retention
Tags
Applying
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The process of breaking down phosphate salts from
rocks is known as ___. It is the first step in the Phosphorus Cycle.
Tags
Remembering
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which human activity is NOT mentioned as impacting the phosphorus cycle?
Use of fertilizers
Artificial eutrophication
Deforestation
Shipping of food
Tags
Understanding
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