Water, Carbon, Nitrogen Cycle

Water, Carbon, Nitrogen Cycle

9th Grade

41 Qs

quiz-placeholder

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Water, Carbon, Nitrogen Cycle

Water, Carbon, Nitrogen Cycle

Assessment

Quiz

Biology

9th Grade

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Created by

John Snoozy

Used 14+ times

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41 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate?

nitrogen fixation

nitrification

denitrification

ammonification

assimilation

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

nitrogen fixation

nitrification

denitrification

ammonification

assimilation

3.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Media Image

How much of the atmosphere is composed of nitrogen gas?

87%
38%
78%
21%

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Media Image

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

bacteria
plants
animals
producers

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Organisms that need nitrogen to survive

only plants
only animals
only bacteria
all living organisms

6.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Plants and animals cannot use nitrogen directly from the air.

True
False

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is true about nutrients in the ecosystem (such as water, carbon, and nitrogen)?

They are not affected by humans in the ecosystem.

They cannot be recovered if they are lost in the ecosystem.

They cycle through the ecosystem in different forms to support life.

They are usually only found in one form in the ecosystem to support life.

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