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Nitrogen Cycle, Clean Water, Infrastructure
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Erin Johnson
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason the nitrogen cycle is important to life on Earth?
It helps produce fossil fuels
It is central to the production of food
It controls the water cycle
It regulates global temperatures
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is the main component of the Earth's atmosphere, making up nearly four-fifths of it?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major challenge for sustainable development related to the nitrogen cycle?
Controlling the impact of agriculture on the global cycle of nitrogen
Increasing fossil fuel production
Reducing water usage
Enhancing solar energy capture
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogen is an essential component of which biological molecules?
Carbohydrates and lipids
Amino acids and nucleotides
Vitamins and minerals
Fatty acids and enzymes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is nitrogen not readily available for use by living organisms?
It is toxic in its natural form
Nitrogen molecules do not easily enter into chemical reactions
It is only found in water
It is always bonded to oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a direct human health problem caused by high nitrate concentrations in drinking water?
Asthma
Blue baby syndrome
Diabetes
Skin cancer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecule is the most plentiful greenhouse gas mentioned in the text?
Nitrous oxide
Carbon dioxide
Methane
Ozone
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