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Nitrogen and Phosphorous Cycle (Crash Course)

Nitrogen and Phosphorous Cycle (Crash Course)

Assessment

Interactive Video

Science

9th Grade

Practice Problem

Easy

Created by

Rachel Ford

Used 3+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two elements are highlighted as essential nutrients for living organisms, crucial for forming amino acids, proteins, DNA, RNA, ATP, and phospholipid bilayers?

Oxygen and Carbon

Hydrogen and Oxygen

Nitrogen and Phosphorus

Carbon and Hydrogen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary characteristic of nitrogen gas (N2) that makes it difficult for plants to assimilate directly from the atmosphere?

It is a noble gas and unreactive.

It is made up of two nitrogen atoms connected by a triple bond.

It forms a single covalent bond, which is too weak.

It is too heavy for plants to absorb.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besides nitrogen-fixing bacteria, what other natural phenomenon can break the triple bond in atmospheric nitrogen, making it available for biological processes?

Volcanic eruptions

Forest fires

Lightning

Ocean currents

4.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

How does this compare to EdPuzzle?

I like it better.

Edpuzzle is better.

They are about the same.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What organisms convert nitrogen gas to nitrates/nitrites usable nitrogen and also convert the nitrates/nitrates back into nitrogen gas.

plants

fungi

bacteria

pumas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element's cycle, as discussed, does not involve the atmosphere?

Carbon

Nitrogen

Phosphorus

Sulfur

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to phosphorus once it enters a deep lake or ocean?

It is cycled around among aquatic organisms.

It is immediately assimilated by decomposers.

It is trapped in sediment for millions of years.

It quickly evaporates into the atmosphere.

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