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Nitrogen Cycle Quiz

Authored by Jhen Felisilda

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11th Grade

Used 2+ times

Nitrogen Cycle Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is nitrogen cycle?

A biochemical process through which nitrogen is converted into many forms.

A process that only occurs in plants.

A method of nitrogen storage in the atmosphere.

A chemical reaction that does not involve living organisms.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes it support life?

Nitrogen is essential for building important molecules.

Nitrogen is harmful to living organisms.

Nitrogen has no role in supporting life.

Nitrogen is only needed by plants.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the essential molecules that need nitrogen?

Proteins, DNA & RNA, Chlorophyll

Water, Carbohydrates, Lipids

Vitamins, Minerals, Sugars

Fats, Oils, Starches

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial step of the nitrogen cycle?

Fixation

Nitrification

Assimilation

Ammonification

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during nitrification?

Ammonia is converted into nitrate.

Nitrogen is fixed into ammonia.

Organic matter is decomposed.

Plants absorb nitrogen.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is assimilation in the nitrogen cycle?

Plants take in nitrogen compounds from the soil.

Nitrogen is released back into the atmosphere.

Bacteria convert ammonia into nitrate.

Decomposers break down organic matter.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What occurs during ammonification?

Nitrogen is released back into the soil.

Plants absorb nitrogen.

Nitrate is converted into ammonia.

Nitrogen is fixed into organic matter.

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