Description

Adding new quiz on the topic 'Nervous System' in the quiz section.
There should be various topics on which students can give quizzes and test their knowledge.
Since there is already a video tutorial on nervous system, students can watch that and then give the test.

Screenshots

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Checklist

• I have starred the repository
• I have checked the existing issues
• I have read the discussion tab thoroughly and got the project idea
• I am willing to work on this issue (optional)
• I am a GSSOC'24 contributor