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Oxygen Trivia Quiz

The element oxygen.

A multiple-choice quiz by TonyTheDad. Estimated time: 3 mins.

Author
TonyTheDad

Time
3 mins

Type
Multiple Choice

Quiz #
31,552

Updated
Dec 03 21

# Qns
5

Difficulty
Average

Avg Score
3 / 5

Plays
6699

One at a Time - Single Page - Timed Game

Question 1 of 5

1. 'Oxygen' means: Hint

acid forming

salt forming

life making

Oprah forming

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Question 2 of 5

2. Oxygen forming the molecule O3 is called: Hint

Dreiox

Oxygen

Ozone

Triox

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Question 3 of 5

3. The unstable isotope, O-15, has a half life of about: Hint

2 minutes

2000 years

2 days

2,000,000 years

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Question 4 of 5

4. Molecular oxygen (O2) comprises what percentage of the Earth's atmosphere (at sea level)? Hint

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Question 5 of 5

5. What life process of most life forms requires oxygen? Hint

reproduction

photosynthesis

osmosis

respiration

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Quiz Answer Key and Fun Facts

1. 'Oxygen' means:

Answer: acid forming

2. Oxygen forming the molecule O3 is called:

Answer: Ozone

In the upper atmosphere, naturally-occuring ozone protects the Earth from excess ultra-violet rays.

3. The unstable isotope, O-15, has a half life of about:

Answer: 2 minutes

122.2 seconds to be precise

4. Molecular oxygen (O2) comprises what percentage of the Earth's atmosphere (at sea level)?

Answer: 21

Air is 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases.

5. What life process of most life forms requires oxygen?

Answer: respiration

It is used to metabolize fuels (fats, sugars) in life forms. Even though plants create O2 in photosynthesis, at night they need to 'burn' some of the fuel they created.

Source: Author TonyTheDad

This quiz was reviewed by FunTrivia editor crisw before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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Referenced Topics

Science Chemistry Specific Elements

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