Biogeochemical Cycles

Biogeochemical Cycles

9th - 12th Grade

71 Qs

quiz-placeholder

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Biogeochemical Cycles

Biogeochemical Cycles

Assessment

Quiz

Science

9th - 12th Grade

Hard

Created by

Chanel Douglas

Used 2+ times

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71 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

___________ is the most abundant gas in our atmosphere at 78%.

Oxygen

Carbon Dioxide

Phosphorus

Nitrogen

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

_______________ found in the soil and roots of plants "fix" nitrogen through the process called nitrogen fixation.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nitrogen can't be used directly from the atmosphere.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Process in which nitrifying bacteria change ammonia into nitrites and then nitrates so that plants can absorb the nitrogen.

Denitrification

Nitrification

Nitrogen Fixation

Decomposition

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Process by which animals obtain and digest nutrients by consuming plants or other animals.

Assimilation

Excretion

Decomposition

Respiration

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Process by which decomposers break down dead plants and animals and return the nutrients to the soil.

Respiration

Decomposition

Assimilation

Leaching

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Process by which nutrients are returned to the soil through waste products.

Excretion

Weathering

Respiration

Combustion

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