Nitrogen Cycle

Nitrogen Cycle

12th Grade

22 Qs

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Unit 3: Functioning Ecosystems. 3

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Nitrogen Cycle

Nitrogen Cycle

Assessment

Quiz

Created by

ashley iliff

Science

12th Grade

9 plays

Medium

22 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
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
bacteria
plants
animals
producers

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Organisms that need nitrogen to survive
only plants
only animals
only bacteria
all living organisms

5.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

If the atmosphere is 78% N2, why can't we just get our nitrogen by breathing?

It is hard to get out of the atmosphere

Our lungs would be damaged by the N2.
We need Oxygen for cellular respiration.
The legumes take it up first.

6.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Plants and animals cannot use nitrogen directly from the air.
True
False

7.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

After plants and animals contain nitrogen, what puts it back into atmosphere and soil?
decomposition
precipitation
condensation
bacteria

8.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Nitrification happens in the ______
Air 
Soil 
Ground Water 
Plants 

9.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

What is the % of Nitrogen in the air?

21%

87%

78%

50%

10.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Living organisms need Nitrogen to make which of the following?

Glucose

Proteins

DNA

chlorophyll

Sunlight

Ultraviolet Radiation

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