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Pre-test: Carbon & Nitrogen Cycle

Authored by Briana Peterson

Biology

9th Grade

Used 63+ times

Pre-test: Carbon & Nitrogen Cycle
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fossil fuels are part of which of the following cycles?

hydrologic

carbon

nitrogen

phosphorus

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during the process of nitrogen fixation?

Bacteria change ammonium into nitrate

Bacteria grow on nodules on plant roots

Bacteria absorb ammonia and excrete ammonium

Bacteria convert gaseous nitrogen into ammonia

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the diagram show?

the nitrogen cycle

the water cycle

the oxygen cycle

the carbon cycle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organisms help convert gaseous nitrogen into ammonia in the nitrogen cycle?

bacteria

trees

squirrels

grasses

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a naturally-occurring disruption of biogeochemical cycles?

a large herd of sheep

volcanic erpution

a river floods its banks

a forest fire

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bacteria are important in the nitrogen cycle because they

help convert nitrogen into a form that organisms can use

respire, returning carbon dioxide into the atmosphere

decay and eventually form fossil fuels

produce sugars that plants can use

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