IGCSE Nitrogen Cycle & Eutrophication

IGCSE Nitrogen Cycle & Eutrophication

9th - 10th Grade

20 Qs

quiz-placeholder

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IGCSE Nitrogen Cycle & Eutrophication

IGCSE Nitrogen Cycle & Eutrophication

Assessment

Quiz

Biology

9th - 10th Grade

Hard

Created by

Michael Dawson

Used 170+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which of the following is true about nitrogen?

It is the most common gas in air

It is unreactive as a gas

It is needed to make all proteins

It is taken up as a gas through the roots of plants

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What is true of nitrogen fixation?

It converts nitrogen gas to nitrates

It is carried out by bacteria but can also happen by lightning

It converts ammonia to nitrates

It converts nitrogen gas to ammonia

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which is true of nitrification?

It converts ammonia to nitrates

It converts nitrates to nitrogen gas

It is carried out by bacteria

It requires nitrogen gas

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is true of denitrification?

It converts ammonia to nitrates

It can occur due to lightning

It converts nitrates to nitrogen gas

It benefits the plant

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How can nitrogen become part of animal proteins?

Animals inhale nitrogen gas

Animals feed on plants

Animals eat carbohydrates

Animals inhale nitrous oxide gas

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the nitrogen cycle, in what form do decomposers release nitrogen from dead plants and animals?

nitrogen gas

ammonia

nitrate ions

nitrous oxide gas

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which of the following stages in the nitrogen cycle require bacteria?

nitrogen fixation

nitrification

decomposition

denitrification

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