Search Header Logo
  1. Resource Library
  2. Science
  3. Earth & Space Science
  4. Phosphorus Cycle
  5. Unit 2.3 Biogeochemical Cycles Nitrogen, Phosphorous And Carbo
Unit 2.3- Biogeochemical Cycles- Nitrogen, Phosphorous and Carbo

Unit 2.3- Biogeochemical Cycles- Nitrogen, Phosphorous and Carbo

Assessment

Presentation

•

Science

•

9th Grade

•

Practice Problem

•

Hard

Created by

Megan Smith

FREE Resource

20 Slides • 11 Questions

1

media

2

media

3

Multiple Choice

Which of the following is NOT a function of phosphorus in the human body?

1

Building carbohydrates

2

Forming DNA and RNA

3

Creating ATP

4

Making up the phospholipid bilayer

4

Multiple Choice

Which of the following elements is essential for the formation of amino acids and proteins in the human body?

1

Nitrogen

2

Carbon

3

Phosphorus

4

Oxygen

5

media

6

Multiple Choice

Why is gaseous nitrogen in the atmosphere difficult to break down?

1

Because it has a triple bond that is hard to break

2

Because it is very reactive

3

Because it is a solid at room temperature

4

Because it is found only in water

7

media

8

media

9

Multiple Select

Which of the following can convert nitrogen gas into useful forms?

1

Lightning

2

Man-made fertilizer products

3

Photosynthesis

4

Respiration

10

media

11

Fill in the Blank

Denitrification is the process by which ___ is converted back into nitrogen and oxygen.

12

media

13

Multiple Select

Which of the following are parts of the nitrogen cycle?

1

Nitrogen fixation

2

Nitrification

3

Denitrification

4

Photosynthesis

14

media

15

media

16

media

17

Multiple Choice

Which of the following is NOT involved in the phosphorus cycle?

1

Atmosphere

2

Rocks

3

Water

4

Soil

18

media

19

media

20

Fill in the Blank

The main source of phosphorus in the phosphorus cycle is ___

21

media

22

Multiple Choice

Which of the following are human activities that have affected the phosphorus cycle?

1

Use of synthetic fertilizers

2

Deforestation

3

Burning fossil fuels

4

Overfishing

23

media

24

media

25

Multiple Choice

Which of the following is NOT a part of the slow carbon cycle as shown in the diagram?

1

Atmosphere

2

Ocean sediments

3

Volcanoes

4

Plants

26

media

27

Multiple Select

Which of the following are considered carbon sinks according to the diagram?

1

Oceans

2

Forests

3

Factory emissions

4

Fossil fuel deposits

28

media

29

media

30

media

31

media
media

Show answer

Auto Play

Slide 1 / 31

SLIDE