CCE9 Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - CC9

CCE9 Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - CC9

8th Grade

15 Qs

quiz-placeholder

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CCE9 Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - CC9

CCE9 Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - CC9

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-LS2-1, MS-LS2-3, HS-LS2-3

+1

Standards-aligned

Created by

Hilary Donahue

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the atmosphere is made up of nitrogen gas?

50%

78%

21%

1%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is the only biological enzyme that can break the triple bond of nitrogen gas?

Lipase

Protease

Amylase

Nitrogenase

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What family of plants do most nitrogen-fixing bacteria form symbiotic relationships with?

Ferns

Grasses

Legumes

Mosses

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main form of nitrogen that plants can assimilate?

Nitrates

Nitrogen gas

Ammonia

Nitrites

Tags

NGSS.MS-LS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of denitrifying bacteria in the nitrogen cycle?

Assimilate nitrogen into plants

Convert ammonia into nitrates

Fix nitrogen gas into ammonia

Convert nitrogen oxides back into nitrogen gas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element does not involve the atmosphere in its cycle?

Phosphorus

Carbon

Nitrogen

Oxygen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for bacteria that can break down rocks to release phosphates?

Denitrifying bacteria

Nitrifying bacteria

Lithotrophs

Decomposers

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