Nitrogen is an essential element in the air. It ensures the survival of living things.
Quiz Summary
0 of 6 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 6 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- nitrogen cycle 0%
- 1
- 2
- 3
- 4
- 5
- 6
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 6
1. Question
3 point(s)Match the following to complete the sentences.
Sort elements
- atmospheric nitrogen
- ammonia
- proteins.
-
This cannot be used directly by plants and animals.
-
The roots of plant rhizobium bacterium convert nitrogen to
-
Plants take nitrates to make
Correct 3 / 3 PointsIncorrect / 3 Points -
Question 2 of 6
2. Question
1 point(s)What percent of the air is nitrogen?
CorrectIncorrect -
Question 3 of 6
3. Question
5 point(s)Match the following terms to the statements.
Sort elements
- atmosphere.
- nitrogen-fixing bacteria.
- proteins.
- ammonia
- nitrites and nitrates.
-
Animals and plants cannot directly use all the nitrogen found in our .
-
Only special bacteria can directly use nitrogen in our atmosphere and "fix" it so other organisms can benefit. These bacteria are called
-
Nitrogen is "fixed" so that it can be absorbed by living things and used to make
-
At the roots of plants, bacteria covert nitrogen to
-
Nitrifying bacteria convert ammonia to
Correct 5 / 5 PointsIncorrect / 5 Points -
Question 4 of 6
4. Question
1 point(s)Nitrogen returns to the soil as ammonia through:
CorrectIncorrect -
Question 5 of 6
5. Question
1 point(s)Nitrogen fixation can also occur by _________.
CorrectIncorrect -
Question 6 of 6
6. Question
6 point(s)How do plants and animals get nitrogen if not from the atmosphere?
Complete the answer below by adding the correct terms.
-
Plants get nitrogen from the . Bacteria found in the nodules of certain plants and legumes convert in the soil to which can then be converted to and then .
Correct 6 / 6 PointsIncorrect / 6 Points -
